National Home Inspection Exam Flashcards
The purpose of gravel on a built-up tar-and-gravel roof is __________.
to prevent delamination of the plys to protect the membrane from ultraviolet rays to provide ballast to help hold down the roof membrane all of these reasons
all of these reasons
A roof that has a problem with ponding generally still has water on it at least ____ hours after it has rained.
12 2 24 48
48
A 4-in-12 slope can be expressed as the ratio of _____.
1/4 12: 4 4: 12 6: 2:4
4:12
A low slope can lead to problems with all of the following types of roof-covering materials, except ___________.
asphalt shingles
fiber-cement shingles
roll roofing
wood shakes
wood shingles
roll roofing
The material having the shortest life expectancy is __________.
concrete
fiber cement
roll roofing
slate
wood
roll roofing
Ice dams typically form on roofs with ____________.
a low slope and small overhang
a low slope and wide overhang
a steep slope and small overhang
a steep slope and wide overhang
asphalt shingles
a low slope and wide overhang
The minimum slope for asphalt shingles in a conventional roofing application is ______.
2: 12 4: 12 5: 12 6: 12
2:12
Common failure modes for asphalt shingles include all of the following, except __________.
cracking blisters cupping or clawing loss of granules spalling
spalling
A four-year-old asphalt shingle roof that appears well-insulated, with an attic that is properly ventilated, but having roughly 25% of the shingles showing irregular cracks in the surface should be reported as ____________.
a common cosmetic condition that does not affect performance or life expectancy being the result of excessive foot traffic on the roof being the result of expansion and contraction of the waferboard sheathing due to changes in humidity freeze-thaw damage possibly having manufacturing defects and a shortened life expectancy
possibly having manufacturing defects and a shortened life expectancy
There may be leakage at a chimney protruding through roll roofing valley flashing because the ___________.
chimney height may be insufficient chimney will obstruct proper drainage nails from the chimney flashing have penetrated the valley flashing roofer may not have cut the points at the valley roofer used roll roofing rather than metal flashing
chimney will obstruct proper drainage
Foundation walls ____________.
must resist lateral pressure from the basement's sides should be totally underground support the structure and connect to the footing vary inversely in thickness based on underground dep
support the structure and connect to the footing
Wall cracks develop because __________.
of all of these reasons the wall has been overloaded the wall has heaved the wall has settled
of all of these reasons
A foundation wall penetration should ____________.
be repaired with re-pointing cement be reported if signs of leakage exist, as this may cause the wall to crack never be below grade never be below the frost line
be reported if signs of leakage exist, as this may cause the wall to crack
A header is _____________.
a fall from scaffolding by a construction worker a full-length joist that is doubled to carry additional load an extra joist added to support additional loads used to transfer span loads over or around openings
used to transfer span loads over or around openings
Water in the basement ________________.
may be caused by hydrostatic pressure forcing water through cracks in the walls may be detected by puddles at the foundation's exterior should pond to one side only
may be caused by hydrostatic pressure forcing water through cracks in the walls
Water may be removed from a basement by \_\_\_\_\_\_\_\_\_\_.
a sump and pump
mechanical dehumidification
perimeter wall drainage
any of these methodsany of these methods
Interior basement stairways should have ___________.
a graspable handrail on at least one side
adequate headroom
adequate lighting
risers of equal height
all of these
all of these
A retaining wall ___________.
does not need openings to relieve hydrostatic pressure does not resemble a foundation is not associated with landform is used to prevent soil movement
is used to prevent soil movement
Paths and walkways should _______________.
be at least 30 inches wide
be free of tripping hazards
not be above grade
not be inspected
pitch toward the driveway
be free of tripping hazards
T/F: Ponds and lakes near a house indicate the area’s natural water table and should alert the inspector to look for moisture intrusion problems.
True False
True
The function of a footing is to __________.
provide lateral support for foundation walls provide support for the basement floor slab resist hydrostatic pressure transmit the weight of the house to the soil
transmit the weight of the house to the soil
The most common symptom of footing failure is __________.
bowing of the foundation walls
cracking above windows
cracking of the foundation walls
leaking in the basement
sagging floors
cracking of the foundation walls
T/F: Where movement due to footing problems has been detected, future settlement can be predicted by knowing the depth of the footings.
True False
False
An important consideration often overlooked when installing a basement stairwell is ____________.
damage to foundation walls frost penetration to the soil below the footing how wide the stairway needs to be the need for a handrail the potential for termite infestation
frost penetration to the soil below the footing
In slab-on-grade construction, the top of the foundation should be ____ inches above grade in order to protect the exterior wall structure and finish from moisture.
12
16
2
4
8
8
When lowering a basement floor, if the soil is excavated only to the bottom of the footing, it may result in _____________.
disturbed soil below the footing excessive grade height inadequate end-bearing for the floor joists insufficient footing width loss of lateral support for the footi
loss of lateral support for the footing
The function of a sill plate is to _____________.
connect the floor framing system to the top of the foundation keep the wall below a window dry prevent twisting of the floor joists provide a moisture barrier between the floor system and the foundation wall support the wall system
connect the floor framing system to the top of the foundation
The minimum end-bearing for beams is _____ inches.
1-3/8
2-1/8
3-1/8
3-5/8
4-3/8
3-5/8
Posts in basements must bear on \_\_\_\_\_\_\_\_\_\_\_\_\_.
a 4x4-inch bearing plate
a moisture barrier
a well-compacted granular fill
footings
the basement floorfootings
A solid masonry wall can be visually identified by its __________.
cavity spaces
header courses
metal ties
specially-sized bricks
steel lintels
header courses
A load-bearing stud wall has a ____________.
double top plate and a double sole plate double top plate and a single sole plate double top plate and a triple sole plate single top plate and a double sole plate single top plate and a single sole plate
double top plate and a single sole plate
In balloon framing, the wall studs _____________.
are 2x6s are continuous from the sill plate to the rafters are spaced 24 inches apart extend only the height of the floor level rest on the top of the floor joist
are continuous from the sill plate to the rafters
The more immediate concern of a solid masonry wall that is leaning or bowing is ____________.
cracks developing in the wall
failure of the wall
loose bricks falling off the wall
moisture penetration into the wall cavity
unsafe end-bearing for the joists
unsafe end-bearing for the joists
A roof truss that has been cut in order to accommodate a skylight can be re-supported by ______________.
a skillful contractor with extensive construction experience a special engineering design applying local building codes double-trusses on either side of the skylight opening
a special engineering design
Truss uplift is believed to be caused by ___________.
a differential in humidity levels within an attic improper attachment of drywall to the ceiling of the top floor insufficient attic insulation mixing different types of trusses in an attic space using green lumber
a differential in humidity levels within an attic
T/F: It is preferable to have downspouts discharge below grade rather than above grade.
True False
False
The desirable slope for the grading around a house is _________.
1 inch per foot 17% 6 inches for the first 10 feet zero
6 inches for the first 10 feet
A property’s grading should be maintained up to ____ away from the house.
1 foot 10 feet 2 meters 72 inches
10 feet
By which of the following symptoms can an inspector determine the rate of erosion of a ravine?
a tree leaning exposed tree roots horizontal gaps between sections of grass or brush with topsoil exposed and nothing growing It is not possible to determine the rate of erosion in a one time visit. leaning retaining walls
It is not possible to determine the rate of erosion in a one time visit.
T/F: Stucco over wood framing exhibits significantly fewer cracks than stucco over masonry walls.
True False
False
Stucco cracks and bulges often appear near the floor level because __________.
of all of these reasons of the effects of live loads this area lacks insulation wood framing shrinks the most in this area
wood framing shrinks the most in this area
All of the following are components of a siding system using Insulbrick, except _________.
fiberboard
granules
mortar
nails
tar
mortar
If a basement walkout is to be added to a house, ___________ may be necessary.
a deeper footing near the walkout a sill plate a wood frame wall above it additional floor joists
a deeper footing near the walkout
The causes of buckling in vinyl and aluminum siding include ___________.
impact damage
nailing too tightly
thermal expansion
thermal expansion and nailing too tightly
using too few nails
thermal expansion and nailing too tightly
As they rust, steel lintels over doors and windows in masonry walls will _____________.
break the window glass generate horizontal cracks in the mortar joints at the windows' top corners push the wall out rotate inward and displace the brick above
generate horizontal cracks in the mortar joints at the windows’ top corners
T/F: With the exception of wood, all types of retaining walls should have weep holes.
True False
True
T/F: The soffit is the horizontal trim covering the underside of an eave system.
True False
True
T/F: The fascia is used to support the gutter system and enclose the ends of the eaves.
True False
True
The saddle or cricket is part of the _________.
chimney flashing
garage door opener
gutter and downspout assembly
plumbing stack
window flashing system
chimney flashing
The primary purpose of siding as an exterior cladding is to ___________.
enhance the appearance of the house protect the framework from the elements provide a surface for paint strengthen the framework
protect the framework from the elements
Approved corrosion-resistant flashings __________ installed continuously above all projecting wood trim.
does not have to be should be
should be
Plywood sheathing is commonly used __________.
as a base for interior insulation to brace framework to prevent dry rot to provide a good finish surface
to brace framework
T/F: Proper fastening of wooden planks is important because they must be able to expand and contract without splitting.
True False
True
Stucco cracks occur due to __________.
the natural shrinkage of stucco the natural shrinkage of wood the uncontrolled movement of the structure all of these reasons
all of these reasons
Asbestos cement shingles ______________.
are very malleable must be treated as hazardous material if removed should be scraped clean before painting should never be painted
must be treated as hazardous material if removed
Doors and windows should be inspected for _______________.
defects caused by improper installation in the rough opening and unsatisfactory performance of moving their parts only for defects caused by improper installation in the rough opening only for unsatisfactory performance of their moving parts their burglar resistance
defects caused by improper installation in the rough opening and unsatisfactory performance of moving their parts
A deck that has carpet installed on the surface ___________.
and built with pressure-treated wood is weather-resistant can dramatically increase the home's living space but is costly is prone to moisture problems and cannot be adequately inspected is recommended for the deck planks' protection
is prone to moisture problems and cannot be adequately inspected
T/F: The three common systems for framing a house are balloon, platform, and post-and-beam.
True False
True
T/F: In balloon framing, the studs are installed on each level and are the same length.
True False
False
Motorized garage doors should ____________.
be disclaimed and excluded from a general home inspection continue operation when an obstacle is encountered stop and reverse when they contact an obstacle
stop and reverse when they contact an obstacle
T/F: Code requires that surface water be properly drained and controlled.
True False
True
Foundations supporting wood should extend ____ inches above a finished grade, unless otherwise specified by the AHJ.
12 2 4 8
8
The maximum distance between foundation anchor bolts is ____ feet.
14 2 6 8
6
The minimum slope for ground adjacent to the foundation is _____ inches.
1: 10 1: 12 1: 4 1: 6
1:10
An anchor bolt should be within ____ inches of the end of the sill plate.
12 18 24 4
12
T/F: Foundation ventilation openings need no protective coverings.
True False
False
Ventilation in underfloor areas may be provided by ____________.
both mechnical means and openings in the foundation mechanical means openings in the foundation
both mechnical means and openings in the foundation
The following is permissible beneath a building: _____________.
form wood below foundation sills form wood in contact with soil loose or casual wood in contact with the ground tree stumps and roots 12 inches below the soil's surface
tree stumps and roots 12 inches below the soil’s surface
The maximum depth for a notch in a beam or joist is ______ the board’s depth.
one-half one-quarter one-sixth one-third
one-sixth
T/F: Foliage may be used to control soil erosion on a cut slope.
True False
True
The maximum depth for a notch at the end of a joist is _____ the joist’s depth.
one-half one-quarter one-sixth one-third
one-quarter
A hole may be bored no closer than _____ from the top or bottom of a joist.
1 inch 2 inches 4 inches 6 inches
2 inches
T/F: A joist should be toe-nailed into the sides of a wooden girder if no anchor or ledger strips are used.
True False
False
A joist below and parallel to a bearing wall should be ___________.
doubled split tripled
doubled
T/F: Gypsum board can be used as bracing to resist wind and seismic forces.
True False
True
T/F: Lintels and headers are the same things.
True False
True
A non-bearing partition stud can be _____ notched.
25% 30% 40% 50%
40%
When the span of a header is greater than ____ feet, it’s necessary to double the trimmer and header rafters.
12 2 4 6
4
The maximum span for a 2x6 purlin is _____ feet.
12 2 4 6
6
T/F: Purlins can be smaller than the supported rafters.
True False
False
The minimum required headroom above an attic access opening is ____ inches.
18 24 30 42
30
_____ provides a controlled way of ventilating a home while minimizing energy loss.
A vapor-retarder An attic window An energy-recovery ventilation system Insulation
An energy-recovery ventilation system
Guardrails are required at the edges of walking surfaces higher than ____ inches.
12 18 24 30
30
The minimum height for a guardrail is ____ inches.
12 24 30 36
36
On a stairway, the maximum rise is ____ inches, and minimum run is 10 inches.
11 7 7 and 3/4 8
7 and 3/4
The minimum required headroom above a stairway is _________.
6 feet and 6 inches 6 feet and 8 inches 7 feet 7 feet and 6 inches
6 feet and 8 inches
A stairway that is _____ inches or more wide must have two handrails.
24 36 48 72
48
A weep screed should be placed ____ inches above grade.
2 4 6 8
4
Swimming pool barriers must be at least ___ feet above grade.
3 4 5
4
T/F: Gates and through-barriers leading to swimming pools must have a lock and a self-closing/self-latching device.
True False
True
There must be at least _____ of clearance in front of the toilet to any wall, fixture or door.
1 foot 15 inches 21 inches 28 inches
21 inches
The requirements of a habitable room include __________.
egress
heat
light
ventilation
all of these
all of these
T/F: The door from an attached garage may lead directly into a bedroom.
True False
False
If a plumbing vent extends too far above the roof line, there is a risk of ____________.
back-siphoning down-drafting frost closure leakage
frost closure
Bathroom fans are required by most codes ______________.
in bathrooms with three or more fixtures in master suite bathrooms where a bathroom does not have an operable window where humidity levels in the attic are too low
where a bathroom does not have an operable window
Ground-fault circuit interrupters are required __________.
in whirlpool baths on bathroom exhaust fans on dishwashers on sauna heaters
in whirlpool baths
A plumbing inspection does not include the _____________.
lawn sprinkler systems
plumbing faucets
plumbing fixtures
supply piping
waste and vent piping
lawn sprinkler systems
In new-construction homes, the minimum pipe size for the main water supply line is ______.
1/2-inch 1/4-inch 3/4-inch 3/8-inch
3/4-inch
Noise in a plumbing system is not usually caused by _____________.
excessively cold water
inadequate support of piping
pipes expanding and rubbing against framing members
water hammer
worn valves
excessively cold water
The plumbing fixture notorious for leakage through small openings in the grout, caulking and/or weatherstripped areas is the _________.
angle stop
bidet
lavatory
shower enclosure
toilet
shower enclosure
Galvanic reaction is ______________.
a problem that occurs when dissimilar metals come into contact with each other deterioration that is common in waste plumbing systems effectively prevented with a ground wire more serious on cold-water piping than hot-water piping unique to water heaters
a problem that occurs when dissimilar metals come into contact with each other
A wet vent is a vent ____________.
from a plumbing fixture that holds more than 6 inches of water pipe located outside that also acts as a drain that is never found in a bathroom plumbing assembly
that also acts as a drain
The material that should never be used for water supply piping in houses due to health risks is ________.
copper galvanized steel lead polybutylene
lead
Double-trapping of fixtures is _____________.
never permitted optional in residential applications required where solid waste is involved required where there are two or more fixtures
never permitted
Plumbing vent stacks should terminate at least _____ above the roof line.
10 inches. 18 inches. 24 inches. 6 inches.
6 inches.
Traps are used to ______________.
collect sludge and prevent the clogging of septic and municipal waste systems prevent heat loss through the plumbing pipes prevent sewer odors and gases from entering the house prevent siphoning at plumbing fixtures prevent valuables from being lost down drains
prevent sewer odors and gases from entering the house
A _______ is the plumbing fixture most likely to lead to a cross-connection problem, where the potable water supply outlet becomes submerged in wastewater.
bathtub
bidet
laundry tub
shower
water heater
bidet
A combination sewer is _________________.
a sewer that handles both liquid and solid waste a sewer that handles both storm water and sanitary sewage used on all new construction used to handle floor drains as well as fixture drains used to handle wastewater and overflow from fixtures
a sewer that handles both storm water and sanitary sewage
The main difference between brass and copper supply pipes is _______________.
brass pipes are magnetic and copper pipes aren't brass pipes can be bent through a 7-inch radius and copper pipes can't brass pipes have threaded joints and copper pipes have soldered joints brass pipes use a different solder than copper pipes
brass pipes have threaded joints and copper pipes have soldered joints
Plumbing stacks should terminate ____ feet horizontally from a window.
10 18 3 6
10
The on-site water supply volume is defined as ____________.
the quality of water supplied through the faucets the rate of flow of water the rate of pressure of the water supply, as determined by the local utility when water empties from sinks at a reasonable rate without overflowing
the rate of flow of water
T/F: Plumbing alterations should be reported because they may involve the use of improper materials and poor technique.
True False
True
The main water supply line belongs to the _________.
city or county property owner the entity that owns the street's main valve water company
property owner
The minimum required size for a house’s main water supply line is _____.
1 inch 1/2-inch 3/4-inch 7/8-inch
3/4-inch
Water hammer can be corrected by ____________.
changing supply pipes decreasing the water pressure installing air chambers or shock absorbers re-fastening loose pipes re-fastening loose pipes and installing air chambers or shock absorbers
re-fastening loose pipes and installing air chambers or shock absorbers
The most common supply piping material used in modern home construction is __________.
concrete
copper
iron
plastic
steel
copper
________ has been known to cause health problems when used in supply piping.
Copper Iron Lead Polybutylene
Lead
An anchoring ring that is secured to the floor is a _____.
water closet flange lav bolt toilet ring wax ring device
water closet flange
The inspector should evaluate the condition of a water heater for ____________.
its efficiency based on family size its remaining life expectancy proper connections to the hot and cold water supplies the presence of a TPR valve the presence of a TPR valve and proper connections to the hot and cold water supplies
the presence of a TPR valve and proper connections to the hot and cold water supplies
The purpose of drainage traps is to prevent _________.
back-siphonage into the water supply sewer gas from entering the house sludge buildup in the sink
sewer gas from entering the house
T/F: The inspector should determine if cross-connections are present in the plumbing system.
True False
True
The nominal voltage provided to most new-construction houses is _______ volts.
110/208
115/230
120/208
120/240
60/120
120/240
Electrical resistance _____________.
decreases with increasing wire diameter increases with increasing wire diameter is affected by wire insulation is higher for copper than aluminum is the only factor that determines the current-carrying capacity of the wire
decreases with increasing wire diameter
The power available in a typical 15-amp, 120-volt household circuit is _____ watts.
1,000 1,500 1,800 3,600
1,800
A damaged or nicked wire is a safety hazard because the ___________________.
damaged wire may corrode effective resistance of the wire is increased, so the fuse can no longer adequately protect the wire from overheating wire's effective diameter has been decreased, thereby decreasing the resistance of the wire
effective resistance of the wire is increased, so the fuse can no longer adequately protect the wire from overheating
T/F: Only circuit breakers can be used as over-current protection devices.
True False
False
The function of a drip loop is to _____________.
control a single circuit that serves more than one fixture prevent current from leaking out of the electrical system prevent water from entering the masthead provide an alternate means of GFCI protection provide grounding for the electrical system
prevent water from entering the masthead
If an auxiliary panel has been added, the wires connecting it to the main service panel are protected by ________________.
a drip loop overcurrent protection provided at the auxiliary panel end only if the wire is protected in a rigid conduit that does not exceed 5 feet overcurrent protection provided in the main service panel overcurrent protection provided in the service panel and overcurrent protection provided at the auxiliary panel end only if the wire is protected in a rigid conduit that does not exeed 5 feet
overcurrent protection provided in the service panel and overcurrent protection provided at the auxiliary panel end only if the wire is protected in a rigid conduit that does not exeed 5 feet
Linking _________________.
ensures that light switches operate only the fixtures installed in the same room ensures that two fuses or circuit breakers are disconnected at the same time is the connection made between the masthead and the service drop is the same as bonding refers to connections made in a junction box
ensures that two fuses or circuit breakers are disconnected at the same time
The service entry size for a 200-amp service is ___________.
#2-gauge copper
#2/0-gauge copper
#3-gauge copper
#3/0-gauge aluminum
#6-gauge aluminum
2/0-gauge copper
The only suitable receptacles for use with aluminum wire should be marked ______.
AL/OK
CO/AL
CO/ALR
CU/AL
CU/ALR
CO/ALR
A kitchen split-receptacle is a ____________.
circuit servicing a separate cooktop and oven duplex receptacle whose top and bottom halves are on individual dedicated circuits stove circuit switched circuit operating a wall receptacle
duplex receptacle whose top and bottom halves are on individual dedicated circuits
Existing knob-and-tube wiring should be replaced ______________.
because it is no longer allowed by any electrical codes because it is prone to be dangerous because its design is known to be defective if a grounded circuit is desired
if a grounded circuit is desired
Aluminum wire was most commonly installed as residential wiring in the _________.
1940s
early 1900s to the early 1940s
early 1950s
late 1960s to the late 1970s
late 1970s to the late 1990s
late 1960s to the late 1970s
The function of a ground-fault circuit interrupter is that it ______________.
detects when there is a poor ground connection shuts the power off if the relative humidity is too high shuts the power off to a circuit when there is a 0.005-amp difference in the incoming and outgoing current flow shuts the power off to circuits in a wet area when there is a 0.5-amp short circuit works the same as a circuit breaker, only it is more convenient
shuts the power off to a circuit when there is a 0.005-amp difference in the incoming and outgoing current flow
An electrical receptacle’s polarity will be reversed when ____________.
the black and white wires are reversed at the outlet the grounding is incorrect the positive and negative wires are reversed in the service panel two black wires are attached to the receptacle
the black and white wires are reversed at the outlet
The voltage capacity of a residence can be determined by the __________.
location of the nearest electrical transformer number of conductors entering the structure rating of the main disconnect size of the conductors entering the structure
number of conductors entering the structure
Inspection of the electrical system includes ___________.
the fuse or circuit-breaker panel the outlets and receptacles the service entrance all of these items
all of these items
The low point in a service drop must clear the ground where vehicles pass underneath by at least _____ feet.
12 20 32 6
12
A service mast must be used with a service drop if the _____________.
attachment point is too low for the service drop to clear the roof by 3 feet service drop clears the roof by more than 3 feet service drop is large enough to carry more than 125 amps weatherhead does not clear the roof by 3 feet
weatherhead does not clear the roof by 3 feet
The service lateral ______________.
can be easily inspected from the transformer to the main disconnect can be repaired by the homeowner, when necessary performs essentially the same function as the service drop and service entrance, and exists underground
performs essentially the same function as the service drop and service entrance, and exists underground
The current rating of a system can be determined by _______________.
adding together the ratings of all the installed fuses and circuit breakers the main disconnect the service entrance panel the smallest rating from among the service drop, feeder cables, and the main disconnect
the smallest rating from among the service drop, feeder cables, and the main disconnect
T/F: Aluminum cables must be larger than copper for the same rating.
True False
True
T/F: Feeder cables may be spliced.
True False
False
The type of defects that may be found inside the main electrical panel include ____________.
evidence of arcing
excessive insulation
two wires connected to one breaker
unused knockouts that are popped out
all of these
all of these
An inspector should open panel covers because _____________.
it shows the client that a thorough inspection is being conducted many potentially unsafe conditions can be discovered only by checking inside an enclosure the system may be de-activated
many potentially unsafe conditions can be discovered only by checking inside an enclosure
T/F: The electrical panel cover should first be tapped with the knuckles to ensure that the panel is not “hot” or energized before opening.
True False
True
Which of these statements about GFCIs is true?
GFCIs are required in exterior circuits accessible from the ground/floor level in garages, bathrooms and kitchens. GFCIs must be tripped electrically by the inspector. GFCIs should be tested monthly. GFCIs should trip after a ground fault. All of these statements are true.
All of these statements are true.
T/F: Inspectors are required to recommend that older homes be updated with GFCIs.
True False
False
Bonding consists of ____________________.
an extra strong adhesive connections between non-current-carrying, non-wire elements in an electrical system connections capable of carrying the anticipated ground-fault load for a given element connections capable of carrying the anticipated ground-fault load for a given element, and connections between non-current-carrying, non-wire elements in an electrical system current-carrying conductors connected to bonded enclosures
connections capable of carrying the anticipated ground-fault load for a given element, and connections between non-current-carrying, non-wire elements in an electrical system
T/F: The purposes of bonding and grounding are the same.
True False
False
A grounding bus should be found in all _____________.
auxiliary service panels main service panels meter panels service entrances
main service panels
The main defect associated with aluminum wiring is ________.
insufficient amperage it's a poor conducting material it's high-maintenance the fire danger
the fire danger
Most residential construction requires two separate grounding electrodes that need to be at least ____ feet apart.
12 18 4 6
6
T/F: The electrical system’s sole ground may terminate on gas piping.
True False
False
T/F: The typical homeowner can perform proper electrical installations and corrections.
True False
False
T/F: Aluminum wiring can be made safe for use in a home.
True False
True
The grounded and grounding conductors _____ bus in the service panel.
can share a common must have a separate
can share a common
The National Electrical Code specifies that a black conductor represent the _____ conductor.
cold
dead
grounding
hot
neutral
white
hot
Every kitchen counter at least 12 inches wide should have a ______________.
bonded receptacle cabinet overhead GFCI-protected receptacle grounding receptacle
GFCI-protected receptacle
T/F: Attic enclosures and boxes do not need covers.
True False
False
Some of the defects associated with knob-and-tube wiring include _________.
brittle insulation improper connections wires covered by attic insulation all of these
all of these
A bathroom light switch that is located within the tub or shower area should be considered __________.
a defect nice feature properly installed to be no problem at all
a defect
T/F: An inspector is free to suggest that the client consider updating an older electrical system.
True False
True
The inspector is required to ___________.
do all of these things inspect the condition of controls inspect the condition of the heat source in each habitable area open access panels operate systems using their normal controls
do all of these things
T/F: The inspector should activate systems that are shut down in order to evaluate them.
True False
False
T/F: The inspector should ignite fires in fireplaces and inspect the interior of chimney flues.
True False
False
A forced warm-air system has ______________.
filter system a heat exchanger rapid response when heat is needed all of these
all of these
A standard safety control for a warm-air system is the __________.
dimmer switch fan switch limit switch thermostat
limit switch
Use of the manual fan control causes ____________.
air stratification cold spots hot spots the air flow to continue when the burner cycles
the air flow to continue when the burner cycles
Short-cycling of a forced-air heating unit can be caused by ____________.
a clogged filter
supply ducts that are too small
the wrong size filter
undersized return ducts
all of these
all of these
Closet installations for combustion appliances are dangerous because of _____________.
the lack of room to wrap the appliance in insulation the possibility of an accidental fire the potential for the production and buildup of carbon monoxide
the potential for the production and buildup of carbon monoxide
T/F: All products of combustion with fuel-burning equipment must be vented.
True False
True
The flame of a heating unit or water heater installed in a garage should be ____ inches above the floor.
12 18 24 6
18
The expansion tank for a closed hydronic system is located __________.
above the boiler at highest point in the house at the return line of the boiler
above the boiler
In a zone heating system, ____________.
an inoperative zone valve is considered a major deficiency balancing valves are not installed each zone is typically controlled by its own thermostat the valves are controlled by an aquastat
each zone is typically controlled by its own thermostat
A forced warm-air system consists of ____________.
a combustion chamber
a fan with a filter
a heat exchanger and return ducting
a supply
all of these components
all of these components
Steam systems capitalize on the fact that _____________.
large quantities of heat are absorbed as water changes to steam and is given off when steam condenses to water radiators are more efficient than convectors steam is hotter than water steam is lighter than water and can be run through piping systems easier
large quantities of heat are absorbed as water changes to steam and is given off when steam condenses to water
A forced-air heating system that is fueled by oil is evidenced by the presence of a ___________.
barometric damper condensate line pressure-temperature gauge sight glass
barometric damper
In a steam-heating system, the operating cut-off control is set at _____ psi.
0.5 to 1 12 to 24 2 to 3
2 to 3
A radiant-heat systems uses _________ to radiate heat.
an entire ceiling, wall or floor
buried pipes or panels
pipes and panels and/or entire walls, floors and/or the ceiling
sunlight
wood or coal
pipes and panels and/or entire walls, floors and/or the ceiling
For fire safety, oil burners usually have ____________.
a barometric draft damper
a forced-draft fan
a photo-electric device
a stack switch
either a stack switch or a photo-electric device
either a stack switch or a photo-electric device
A draft hood is ______________.
a vent considered part of the stove or oven appliance necessary on all electric heating units not a passive device
a vent
Gas burners are lit by ___________.
a pilot flame
a surface igniter
an electronic igniter
any of these methods
T/F: An electric heating system is typically costlier to operate than other types of heating systems.
True False
True
A conventional fireplace ____________________.
has a flue that should be shared with other fuel-burning equipment heats the room by convection may be a significant heat waster due to heat going up chimney must be included as fulfilling part of the heat requirements in colder climates
may be a significant heat waster due to heat going up chimney
The most critical component of a forced-air furnace is the __________.
blower
gas burner
gas valve
heat exchanger
thermostat
heat exchanger
The typical range at which a fan/limit switch will turn the blower on is _______.
110° to 130° F
130° to 150° F
150° to 170° F
170° to 190° F
90° to 100° F
130° to 150° F
On closed systems, the expansion tank _____________.
alleviates pressure when the system heats up raises the water above basement radiators for gravity flow serves as a reservoir for make-up water serves as a steam trap
alleviates pressure when the system heats up
Pressure-reducing valves on hot-water heating systems are typically set at _________.
12-22 psi
17-22 psi
30 psi
5-7 psi
7-12 psi
12-22 psi
The following is not found on a closed hot-water heating system: __________.
a circulating pump
a Hartford loop
a high-temperature limit switch
a pressure-relief valve
an expansion tank
a Hartford loop
The following statement is false: ___________.
Every habitable room should have at least one supply register. One return register per floor is usually acceptable. Return registers can be located in garages. Supply registers should be located near exterior walls and below windows.
Return registers can be located in garages.
A(n) ________ does not have a heat exchanger.
electric furnace
gas boiler
heat-recovery ventilator
oil furnace
steam boiler
electric furnace
Regarding hot-water heating systems, it is false that _____________.
a pressure-relief valve is provided in a closed system boilers don't actually boil the water open systems do not have circulating pumps the boiler can be powered by gas, oil or electricity the water is moved through a closed system via gravity
the water is moved through a closed system via gravity
The primary purpose of a metal chimney liner is to ________.
allow a future upgrade to a high-efficiency furnace insulate the brick flue from the increased heat of burning gas prevent deterioration of the masonry stop exhaust gases from entering the house through the chimney walls
prevent deterioration of the masonry
For a conventional gas furnace, about ________ per 1,000 BTUs of ventilation for combustion air should be provided.
1 square foot 1 square inch 2 square feet 2 square inches
2 square inches
The ________ confirms ignition of the pilot light.
barometric damper
primary control
spark plug
thermocouple
vent damper
thermocouple
The component that has the least impact on the life expectancy of a furnace heat exchanger is the _____________.
conversion from oil to gas heat pump leak humidifier on the supply plenum pressure-relief valve
heat pump
Compared to a gas furnace, it is false that an electric furnace ____________.
can be adapted for the addition of central air conditioning just as easily operates at increased efficiency will lead to higher heating bills will produce lower indoor humidity will require a larger electrical service
will produce lower indoor humidity
A steam boiler can be identified by the presence of a(n) __________.
drip loop expansion tank two-pipe system water-level gauge
water-level gauge
The primary control is a ____________.
fan/limit switch
gas valve
power switch for the furnace
safety device that senses the temperature in the exhaust flue
thermostat
safety device that senses the temperature in the exhaust flue
The minimum clearance from an exhaust flue on a conventional oil furnace to combustibles is ____ inch(es).
1
12
3
6
9
9
Cracks at interior walls are not caused by ____________.
a lack of insulation movement due to humidity or temperature change overloading of headers shrinkage of wall-finishing materials
a lack of insulation
Doors should be described with regard to _____________.
only how they fit in their framing only the operation of their hardware the operation of their hardware and how they fit in their framing any cosmetic deficiencies
the operation of their hardware and how they fit in their framing
T/F: Exterior glass doors should be made of safety glass.
True False
True
T/F: Interior doors that stick at the jambs could indicate structural settlement.
True False
True
Each of the following describes a type of window, except ___________.
casement
double-hung
hopper
louvered
shingled
shingled
T/F: Glazing with defective seals can be repaired.
True False
False
The ________ at a stairway is the feature that typically has defects.
handrail lighting risers treads
handrail
If the inspector cannot examine the inside of a fireplace insert, s/he should _____________.
disclaim the item mention this in the inspection report remove the insert and complete the inspection suggest removal and examination by a professional tell the client to try using the fireplace in the fall and see what happens
suggest removal and examination by a professional
A switch is required to control an overhead light or wall outlet ___________.
4 feet above the floor
according to all of these conditions
in habitable rooms
on the inside wall of a room
on the knob-side of the passage door
according to all of these conditions
After testing a receptacle and finding the cover to be warm to the touch, the inspector should ___________.
alert the owner (and the client, if different) to the potential hazard do all of these things document the condition in the inspection report recognize the condition as potentially hazardous suggest immediate repair
do all of these things
A habitable room must have _____________.
a bathroom located within 25 feet a closet a source of heat privacy blinds or curtains
a source of heat
A unitary 10,000-BTU gas heater ___________.
is too small to require venting may be vented to the attic must be vented to the exterior should warm up the room in 30 minutes
must be vented to the exterior
Water penetration at the interior of a home usually causes ___________.
a decrease in insulation damage to interior finishes major structural damage no noticeable damage
damage to interior finishes
A concrete floor in a basement is _____________.
always installed with rigid insulation underneath not considered a structural component of the house not known for cracking usually 1 inch thick
not considered a structural component of the house
Hardwood flooring should be _____________.
at least 4 inches thick installed at right angles to the floor joists installed without sub-flooring offset 45 to 90 degrees from the diagonally laid sub-floor
offset 45 to 90 degrees from the diagonally laid sub-floor
Squeaky sub-floors are usually the result of ____________.
a structural problem poorly secured sub-flooring the sub-flooring having been secured with small-headed nails the use of softwood sub-flooring
poorly secured sub-flooring
The most common problem associated with ceramic tile flooring is ____________.
cracking due to a floor system beneath that is not rigid enough surface wear the use of grout that is improperly mixed the use of tiles that are intended for walls instead of floors
cracking due to a floor system beneath that is not rigid enough
The plaster that has oozed through the spaces between wood lath is referred to as ________.
a key capping Cornerite? the brown coat
a key
Stipple ceiling finishes are particularly good for ____________.
covering poor drywall work ease of repair at a later time keeping expenses down kitchen and bathroom applications
keeping expenses down
Cornice moldings are the moldings installed ______________.
around ceiling light fixtures at the junction of walls and ceilings for ease of repair at a later date in kitchen and bathroom applications
at the junction of walls and ceilings
A stairway tread is the _____.
component that people step on horizontal distance from one riser to the next long diagonal supports for the stairs vertical section between adjacent steps
component that people step on
Proper stair design includes ___________.
a maximum rise of 8 inches between treads a maximum tread width of 9 inches a stairwell width of less than 44 inches headroom of at least 5 feet and 6 inche
a maximum rise of 8 inches between treads
Railings around the top of open stairwells should be at least _____ inches high.
24 30 36 48
36
A window stile is the ______________.
counterweight for a double-hung window horizontal section immediately below the windowsill metal beading between the panes of a double-glazed window section of the window immediately adjacent to the glass
section of the window immediately adjacent to the glass
Condensation is typically found on ________ windows.
metal-framed triple-glazed vinyl-framed wood-framed
metal-framed
The skylights that perform best are _____________.
flush with the roof surface installed after the house is built installed during the construction of the home plastic skylights
installed during the construction of the home
Ideally, exterior doorways should be _______________.
installed with a step-up of at least 6 inches installed with a threshold that is flush to the outdoor surface made of metal made of pressure-treated wood
installed with a step-up of at least 6 inches
The smoke shelf of a conventional fireplace is located __________.
above the damper at the top of the flue in lieu of the spark screen below the ash dump under the mantle
above the damper
A fireplace hearth should extend beyond the front of the fireplace by at least _____ inches.
12 16 24 8
16
The most common cause of basement leakage is ___________.
backups from the plumbing system stormwater from surface drainage stormwater from weep tiles underground springs
stormwater from surface drainage
Perimeter foundation drainage tile should be installed _____________.
below the local water table right beside the footing below the basement's floor level right beside the foundation wall at the basement's floor level wherever it is practical during construction to allow for 6 inches of gravel fill
right beside the footing below the basement’s floor level
The most cost-effective way to conserve energy in a house is by ___________.
applying caulking and weatherstripping to seal up air leaks at doors and windows installing more insulation in the attic installing vapor barriers
applying caulking and weatherstripping to seal up air leaks at doors and windows
The vapor barrier should be installed on the _______ side of the insulation.
cold warm wet
warm
The total R-value for loose fiberglass when you see about 6 inches thick of insulation at the floor of the unfinished attic is approximately _____.
(6 inches x 3.7) = 22 R-value (6 inches x 2.5) = 15 R-value (6 inches x 2.8) = 17 R-value (6 inches x 3.2) = 19 R-value
(6 inches x 2.5) = 15 R-value
Some of the problems encountered when installing insulation in an existing flat roof cavity include _________.
achieving adequate ventilation
difficulty installing the insulation
limiting the amount that should be added
providing a tight air/vapor barrier
all of these
all of these
Ventilation of a flat roof cavity can be achieved by ____________.
both of these methods installing continuous soffit vents at the eaves all around the roof installing strapping at right angles on top of the roof joists
both of these methods
At a skylight well within an attic space, the vapor barrier should be _________.
absent, as no vapor barrier is required on top of the insulation underneath the insulation
underneath the insulation
The best way to insulate the roof space behind a knee wall is to _____________.
insulate the attic floor insulate the knee walls only keep the space cool by insulating the knee walls and the attic floor leave the space warm by insulating the sloped ceiling and the end walls
keep the space cool by insulating the knee walls and the attic floor
In most cases, increasing the insulation level of a masonry wall is __________.
economically viable using blown insulation in the cavities between the layers of masonry not cost-effective unnecessary, as the masonry wall provides adequate insulation by itself
not cost-effective
Insulating a basement foundation wall that is chronically wet ________________.
can be done after drying out the walls for at least six months can be done by installing gypsum board over the walls can result in frost damage to the foundation wall, if done from the interior is best done from the interior
can result in frost damage to the foundation wall, if done from the interior
Insulation in a crawlspace should be installed ____________.
at the perimeter walls of the crawlspace in the floor above the crawlspace using either of these methods
using either of these methods
When insulating the floor above an unheated area, a vapor barrier should be installed _________.
facing the finished floor underneath the joists to hold up the insulation underneath the sub-floor
facing the finished floor
Plumbing and heating pipes that pass through unheated areas should be insulated to a minimum of _____.
R-1 R-30 R-4
R-4
Exhaust ducts that pass through unheated spaces should _____________.
be insulated and discharge through the space and not into it be uninsulated and discharge into the space have a minimum diameter of 12 inches have a minimum diameter of 6 inches
be insulated and discharge through the space and not into it
The R-value per inch of vermiculite is _____.
1.5 2 2.7 3
2.7
The moisture barrier in a crawlspace is installed ___________.
on the cold side of the floor insulation on the crawlspace walls on the underside of the floor joists on top of the earthen floor
on top of the earthen floor
Cellulose-fiber insulation is made from ____________.
glass minerals paper perlite
paper
A good insulating material will ___________.
do all of these things limit the movement of trapped air provide potential savings in energy bills slow the rate of heat lost from a house
do all of these things
Vermiculite comes in the form of _________.
batt loose-fill rigid board shredded
loose-fill
In most cases, the best way to accomplish adequate attic ventilation is with _____________.
continuous soffit and ridge vents gable vents unit soffit and roof vents unit soffit vents with gable vents
continuous soffit and ridge vents
Rooftop and gable vents should account for _______ of the total venting, and should be situated on the ______ side of the roof relative to wind direction.
40% ..... leeward 40% ..... windward 55% ..... leeward 55% ..... windward
55% ….. leeward
The use of an attic-mounted power ventilator is recommended during the ___________.
entire year spring and fall summer winter
summer
According to the UBC, 1 square foot of ventilation is recommended for every _____ square feet of area in a crawlspace.
150 300 600 75
150
T/F: Carpet and wood-based floor finishes should not be applied directly to slabs on grade unless the slab or finish surface temperature is raised near room temperature.
True False
True
T/F: Cold air is more dense than warm air.
True False
True
Cool, dense air is harder to move than warm air, so ______________.
a larger furnace size is needed larger ducts and a larger motor are needed larger ducts and a smaller motor are needed smaller ducts and a larger motor is needed smaller ducts and a smaller motor are needed
larger ducts and a larger motor are needed
Air-conditioning equipment should not be operated when the ambient temperature is below _______.
0 degrees Fahrenheit 32 degrees Fahrenheit 65 degrees Fahrenheit 85 degrees Fahrenheit
65 degrees Fahrenheit
The most important consideration regarding condensers is that ____________.
it should be located on the shady side of the house it should be located on the sunny side of the house nothing should prevent air from entering the cabinet or leaving the blower fan the fan axis should be vertical
nothing should prevent air from entering the cabinet or leaving the blower fan
Water-cooled condensers ______________.
depend on both water temperature and pressure must be located outdoors in case of leakage should discharge the warm water into the sewer or waste system typically have short-cycling compressors
depend on both water temperature and pressure
The suction line should be insulated to _________.
decrease cooling losses
prevent condensation
prevent condensation and to decrease cooling losses
prevent line damage
protect the liquid line
prevent condensation and to decrease cooling losses
On a hot day, the refrigerant lines should feel _________.
ambient temperature (both lines) cold (both lines) hot (both lines) hot for the liquid line, and cold for the suction line hot for the suction line, and cold for the liquid line
hot for the liquid line, and cold for the suction line
Most air handlers are part of a(n) _______________.
atmospheric boiler conventional forced-air unit indirect-flow heat exchanger reverse-flow heat exchanger
conventional forced-air unit
The air-moving component of an air handler is _______.
a blower a fan a squirrel cage impeller Any of these
Any of these
The component of a central air conditioner that produces condensate is the _____________.
compressor condenser coil evaporator coil expansion valve
evaporator coil
The component of a central air conditioner that releases heat is the ______________.
compressor
condenser coil
evaporator coil
expansion valve
thermostat
condenser coil
The function of the compressor is to __________.
compress the condensate
compress the household air
compress the refrigerant
move and compress the refrigerant
move the refrigerant
move and compress the refrigerant
In a water-cooled air-conditioning system, the condenser coil is cooled using water from ______________.
a cistern the heat pump the supply plumbing system the waste plumbing system
the supply plumbing system
A heat pump is basically an air conditioner with a(n) ____________.
compressor gas burner in-line electric heater reversing valve
reversing valve
Below the balance point, a heat pump _____________.
may not be able to generate enough heat to warm the house may tip over operates more economically should not be running in heating mode for fear of damaging the compressor
may not be able to generate enough heat to warm the house
A heat pump with a natural gas burner located outdoors below the evaporator coil is called a ____________.
flame-source heat pump Kool-Fire system plenum heater pulse system
Kool-Fire system
A ground-source heat pump collects or dissipates heat through ___________.
piping buried in the ground piping laid on top of the ground the electrical ground system various types of solid fuel ground into a fine powder
piping buried in the ground
The cooling capacity of an air conditioner reflects _____________.
the amount of insulation in the house
the orientation of the windows
the size and number of windows
the size of the house
all of these factors
all of these factors
If the condenser and evaporator coils have different capacity ratings, the total capacity is determined by ______________.
adding the two capacities together averaging the two capacities by adding them together and dividing by 2 subtracting the smaller capacity from the greater capacity taking the outdoor coil rating and going 1,000 BTUs in the direction of the indoor coil rating
taking the outdoor coil rating and going 1,000 BTUs in the direction of the indoor coil rating
In moderate climates, most houses have HVAC systems sized at 1 ton of cooling for every _______ square feet of interior area.
1,500 to 3,000 450 to 600 50 to 100 700 to 1,000
700 to 1,000
The life expectancy of a compressor is about _______ years.
10 to 15 20 50 six to eight
10 to 15
That is the correct answer!
In a central air conditioner, the temperature drop across the plenum coil should be about _____________.
0.5 to 1 degree 14 to 22 degrees 2.5 to 5 degrees 8 to 9 degrees
14 to 22 degrees
Condensate from the condensate tray is generally discharged ___________.
into a bucket into a drain line or to the ground outside into the humidifier onto the heat exchanger
into a drain line or to the ground outside
If the bypass duct on a standard drum-type humidifier is not closed during the cooling season, the _______________.
air flow at the registers will be weak electronic air cleaner may be bypassed evaporator coil may ice up thermostat may shut the unit off prematurely
evaporator coil may ice up
Roofs with a pitch of between 4:12 and 6:12 are considered _________ roofs.
conventional flat low-sloped mansard
conventional
Conventional asphalt shingles can be used on a slope as low as 2:12 when _______________.
a special application of felt paper and roofing cement is used the roof faces south or west the shingles are overlapped in such a way that triple coverage is accomplished
a special application of felt paper and roofing cement is used
The most common problem associated with slate roofs is ___________.
flaking the use of flashing material that does not last as long as the slates the use of nails for fasteners that rust and allow the slates to slide out of position
the use of nails for fasteners that rust and allow the slates to slide out of position
Built-up roofs are commonly known as _____________.
metal roofs with tar coating roll roofing single-ply roofs tar and gravel roofs
tar and gravel roofs
A water stain on a ceiling below a flat roof does not necessarily indicate a leak immediately above because _______________.
secondary drains often redirect water that penetrates the membrane the gravel redirects the water after it penetrates a membrane water can travel between the plys of the roof before emerging on the interior
water can travel between the plys of the roof before emerging on the interior
The most effective way to prevent ice damming is to __________.
increase the insulation and ventilation in the attic install avalanche guards on the lower section of the roof install heating cables on the roof install polyethylene sheeting under the first few rows of roofing shingles
increase the insulation and ventilation in the attic
The preferred material for valley flashing is ________.
a single-ply membrane heavy roofing felts metal roll roofing
metal
The slope of a valley should be __________.
exactly the same as the slope of either side greater than the slope of the roof on either side less than the slope on either side
Where a portion of a roof having a steep pitch meets a portion of the roof having a lower pitch, the valley that’s created may be especially vulnerable to __________.
excessive shingle wear adjacent to the valley on the steeper-pitched side unusually rapid deterioration vermin infestation water penetration under the shingles on the lower-pitched side
A parapet wall is ___________.
a wall that protrudes above the roofline an interior wall that meets a flat roof the curbed wall around the perimeter of a skylight any sidewall of a dormer
a wall that protrudes above the roofline
Skylights that are mounted flush to the roof surface are ____________.
difficult to clean high-quality units prone to leak prone to mechanical damage
prone to leak
Deterioration of a brick chimney is usually the result of _________.
moisture settlement using an oil-fired heating system wind-loading
moisture
The purpose of a chimney cap is to _________.
hold the chimney liner in place prevent animals from entering the top of the chimney prevent snow from accumulating at the top of the chimney prevent water from entering the top of the chimney
prevent water from entering the top of the chimney
A chimney should be ____________________.
a maximum of 5 feet high a minimum of 2 feet high and 6 feet higher than any obstruction within 10 feet of the chimney a minimum of 3 feet above the roof line and 2 feet higher than any other obstruction within 10 feet any height
a minimum of 3 feet above the roof line and 2 feet higher than any other obstruction within 10 feet
A crucial characteristic for any roof style or design is _____________.
its ability to shed water its appearance its ease of replacement whether it is easy to walk
its ability to shed water
The following are styles of roofs, except _________.
butterfly
cricket
gable
gambrel
mansard
cricket
T/F: Flashing is used where planes intersect.
True False
True
When inspecting an air conditioner, the liquid line should feel _______.
cool rubbery warm wet
warm
________ on the suction line of an air conditioner indicates a problem.
Condensation Dryness Efflorescence Frost or ice
Frost or ice
Cooling capacity is measured in ________.
cubic meters ounces pounds tons
tons
When inspecting an air conditioner, the suction line should feel ________.
cool rubbery warm wet
cool
If a condensing unit wobbles or is out of level, check for stress on the ___________.
ductwork foundation refrigerant lines
refrigerant lines
At an air conditioner, an exterior electrical disconnect is typically required within sight of the ___________.
condensing unit electrical service entrance electrical service panel grounding rod
condensing unit
T/F: A loose or misaligned fan belt can reduce the amount of air flowing past the evaporator coil and decrease an air conditioner’s performance.
True False.
True
While testing an HVAC system’s cold-air returns, the inspector should turn the system on and hold a tissue next to the return to check for _________.
enough pressure to blow the tissue away from it enough suction to pull the tissue toward it no movement
enough suction to pull the tissue toward it
The best place for a thermostat is _________.
a wall in the dining room above a heat register in direct sunlight near an exterior door
a wall in the dining room
The hot wire in a typical 120-volt circuit is _______.
black blue green white
black
The neutral wire in a typical 120-volt circuit is ________.
black blue green white
white
Fuses do not provide protection against __________.
large ground faults lightning surges overloading short circuits
lightning surges
According to U.S. standards, the electrical service line above a driveway must be at least ____ feet high.
12 24 36
12
The primary purpose of an electrical service drip loop is to prevent water from __________.
causing a short to the grounding rod dripping onto pedestrians below entering the double loop getting into the service mast
getting into the service mast
All of the following areas are potential water entry points in the electrical service entrance mast, except ____________.
a GFCI electrical outlet plate cover an open service mast cap the meter base the roof flashing around the mast
a GFCI electrical outlet plate cover
The electrical panel rating should be no smaller than ___________.
400 amps the main breaker twice the smallest breaker
the main breaker
At least ____ feet of clearance should be provided in front of the main electrical panel for inspection, service and repair.
3 6 9
3
In many jurisdictions, the gas piping must be bonded to the __________.
air-conditioning system drainage system electrical grounding system neutral bus bar
electrical grounding system
A spark jumping from a hot electrical wire to a potential ground is called a(n) __________.
arc arch short spark
arc
Exterior electrical service wires should be at least 3 feet away from ____________.
both the bottom and front of all operable windows both the bottom and top of any windows the sides, bottom and front of any windows the sides, bottom, top and front of all inoperable windows
the sides, bottom and front of any windows
The exterior electrical service entrance conduit should be secured to the side of the home _____________.
and covered with insulation every 5 to 6 feet every 5 to 6 inches using joist hangers
every 5 to 6 feet
T/F: The electrical service entrance cable should be covered by siding to protect it from the elements.
True False
False
Missing blanks or breakers in the electrical service panel should be __________.
corrected, as this constitutes a safety hazard left alone no greater than two missing breakers no larger than 3 inches
corrected, as this constitutes a safety hazard
T/F: If an electrical service panel is not grounded properly and a hot wire shorts against the panel box, someone touching the box could be electrocuted without blowing the fuse.
True False
True
A jumper wire should be used to bridge the electrical ground across a(n) _________.
aluminum window frame electrical meter water meter
water meter
The neutral and ground wires should not be _______ downstream of the electrical service panel.
bonded insulated located separated
bonded
Besides the neutral system, the _________ should be bonded to the ground.
black wire electrical service panel foundation hot service feed
electrical service panel
Both hot service wires feeding the electrical panel are typically __________.
black blue green white
black
14-AWG copper wire corresponds to ____-amp fuse size.
15 20 30 40
15
10-AWG copper wire corresponds to ____-amp fuse size.
15 20 30 45
30
12-AWG copper wire corresponds to ____-amp fuse size.
15 20 30 40
20
8-AWG copper wire corresponds to _____-amp fuse size.
15 20 30 40
40
Two black wires attached to a single fuse or breaker lug is called a _________.
2x loop tap double-loop double-tap
double-tap
Electrical wire sheathing should not project more than 1 inch into the _____________.
electrical panel floor joist ground plumbing line
electrical panel
T/F: Nonmetallic-sheathed cable should be supported and secured by staples within 12 inches of an electrical junction box or cabinet.
True False
True
Cables should be secured (usually by staple) within _____ inches of the electrical service panel.
12 36 48
12
T/F: Bare electrical wires inside an electrical service panel may safely lay across the grounding bus bars.
True False
False
Wire nuts or solderless twist on connectors should be ____________.
green inside junction boxes silicone-sealed used only outside
inside junction boxes
T/F: Staples are required where cables run through holes in framing members.
True False
False
One older type of electrical system is _________.
fiberoptic funnel-and-tube knob-and-handle knob-and-tube
knob-and-tube
Most building codes in the U.S. require light switches located at the _________ of stairways having more than six treads.
bottom middle top top and bottom
top and bottom
A three-way switch turns on a light from ______ locations.
six three two
two
A bathroom’s permanently installed ceiling heat lamp should be installed over ___________.
empty space so that it doesn't overheat anything the pathway of the bathroom door the shower rod so that it can dry damp towels the toilet seat to keep the area warm
empty space so that it doesn’t overheat anything
Isolated links on light fixture pull chains prevent _____________.
electrical over-currents overheating of the light fixture the pull chain from breaking the user from getting shocked
the user from getting shocked
Reversed polarity occurs when the ________ are wired backwards.
ground and neutral hot and neutral
hot and neutral
The brass button at the bottom of a light socket is _________.
cold green hot used to turn the light off and on
hot
A GFCI continually checks for a difference in current between the _____________.
ground and neutral hot and ground hot and neutral
hot and neutral
GFCI receptacles typically have ____________.
AFCIs built in dimmer switches test and re-set buttons
test and re-set buttons
GFCI receptacles can protect ordinary outlets _________.
downhill downstream if properly armed uphill
downstream
Builders often use one GFCI to protect all of the ________________.
bathrooms bedrooms circuit breakers habitable rooms
bathrooms
Bathroom outlets and switches must be a minimum of ______ away from bathtubs and showers.
1 foot 18 inches 3 feet 8 feet
3 feet
Electrical receptacles/outlets and switches should be a minimum of 3 feet away from __________.
bathtubs and showers doors the floor thermostats
bathtubs and showers
T/F: Electrical outlets can be located 6 inches above electric baseboard heaters.
True False
False
Electrical outlets should not be installed above ______________.
baseboard trim cabinets electric baseboard heaters kitchen counters
electric baseboard heaters
Electrical outlets should not be flush-mounted on _________ surfaces.
horizontal marble vertical wall
horizontal
Electrical receptacles in garages should be at least _____ inches higher than the floor.
12 2 40 60
40
A furnace’s emergency shut-off switch should ___________.
be kept off except during service be located between the furnace and the furnace room door be located on or near the floor have a green face plate cover
be located between the furnace and the furnace room door
A gable roof has ___________.
a ridge a rubber membrane a single flat surface at least one valley
a ridge
A butterfly roof has a ______________.
field ridge traditional look valley
valley
A roof with four planes is called a _______ roof.
flat gable hip
hip
A gambrel is a type of __________.
architectural cornice barn roof duct window lintel
barn roof
Double-hung windows do not have ___________.
cranks or hinges panes sills weatherstripping
cranks or hinges
Casement windows do not ______________.
have locks open out open with a crank slide up and down
slide up and down
A comprehensive and detailed examination beyond the scope of a real estate home inspection might be considered _______________.
prudent standard technically exhaustive
technically exhaustive
Hopper windows ____________.
are double-hung are not designed to open are often used in basements slide
are often used in basements
Columns are installed to ___________.
provide privacy by blocking exterior windows span the distance of the roof overhang support the weight of the roof overhang and building
support the weight of the roof overhang and building
Tudor describes a type of _________.
brick double door exterior interior
exterior
Stachybotrys, a type of fungus, is also known as ________.
black mold gold mold green mold red mold
black mold
The bottom of exterior wood siding should be ____________.
almost touching grade (dirt) below grade (dirt) considered an unlikely place for evidence of WDO infestation no closer than 8 inches from grade (dirt)
no closer than 8 inches from grade (dirt)
Weep holes in masonry veneer should be installed _______ grade.
above below
above
T/F: Exterior wood siding on dormers should have 1 to 2 inches of clearance from the main roof shingles.
True False
True
The types of woods that are resistant to both termites and rot are ____________.
maple and pine oak and dogwood pine and oak redwood and wolmanized
redwood and wolmanized
Repointing has to do with the repair of _________.
3-point ducts flashing mortar joints siding
mortar joints
Rusting lintels can be found over the tops of _________.
metal beams metal roof flashing windows
windows
Concave, V, raked and extruded are all types of ___________.
mortar joints plumbing stacks roof vents valley flashing
mortar joints
T/F: In general, stucco over wood framing is more likely to crack than stucco over masonry/concrete.
True False
True
T/F: A flashing kickout at the bottom edge of the roof-wall joint is used to help keep water from getting behind the stucco or siding.
True False
True
The horizontal seam between two panel siding boards should have ________.
D-flashing P-flashing W-flashing Z-flashing
Z-flashing
T/F: Today’s vinyl siding is manufactured such that its color goes through the material, so accidentally scratching it won’t reveal a different color underneath.
True False
True
T/F: Vinyl siding nails should not be driven in all the way so that the siding is left somewhat loose.
True False
True
Vinyl siding should be installed ____________.
by nailing it every 10 feet by nailing loosely from the top down using steel siding nails
by nailing loosely
Siding flashing alongside windows is called ___________.
B-molding J-molding T-molding W-molding
J-molding
The following statement is true:
Joists can be notched wherever it is necessary. The ends of a joist can be notched. The middle third of a joist can be notched.
The ends of a joist can be notched.
The base coat of stucco is called the _________ coat.
finish scratch stiff waterproof
scratch
Flashing over a window is called a ________.
drip cap lintel sash flashing sill
drip cap
The purpose of spacing between exterior deck floor boards is to __________.
allow rainwater to pass through improve deck strength prevent deterioration from UV rays prevent splintering
allow rainwater to pass through
A disconnect for an air-conditioner condensing unit should be located within sight of the unit.
True False
True
A ________ typically has a door.
carport garage gazebo pavillion
garage
Stairways should be at least _____ inches in width above the handrail height.
36 38 42 48
36
The _______ is not a component of a set of stairs.
lintel nosing stringer tread
lintel
T/F: The rise is always greater than the run on a set of stairs.
True False
False
The landing in front of an entrance door must be at least _____ feet.
1 x 3 3 x 3 4 x 2 5 x 8
3 x 3
Rot is often found at the _______ in a set of exterior wooden stairs.
bottom of the stringer handrails top step treads
bottom of the stringer
For child safety, deck rail spindles should be spaced so that a ___-inch sphere cannot pass between them.
12 2 4 8
4
Plumb means __________.
perfectly horizontal perfectly level perfectly vertical
perfectly vertical
Beams transfer loads from the joists to the ____________.
cantilevers columns or walls foundation rafters
columns or walls
When inspecting for beam sag, the inspector should look ___________.
along the bottom edge of the beam parallel to the joists resting on it (perpendicular to the beam face) up at the beam from the basement floor level
along the bottom edge of the beam
In a service panel without a main disconnect, it should take ______ or fewer movements of the hand to turn off all the breakers.
eight six two
six
Regardless of the type of joist support used, the end of a wood joist must rest on something at least _____ wide.
1-1/2 inches 1/16-inches 3 feet 5 to 7 inches
1-1/2 inches
Joists are typically connected to wood beams using _________.
four 6-penny nails hangers wood glue
hangers
A cross-connection is defined as when ________________.
a faucet spout is below the flood rim of a fixture plumbing and electrical systems mix two dissimilar piping materials are joined
a faucet spout is below the flood rim of a fixture
Deck joists can lift out of their hangers at the rim/band if too many people are at the cantilevered section of a deck, so deck joists that cantilever out past the deck posts should never overhang the girders they rest on by more than ____ feet.
10 12 2 6
2
Deck boards should be installed ___________.
alternating crown up and crown down crown around crown down crown up
crown up
Wall cabinets should hang at least ____ inches above a kitchen countertop.
15 23 36
15
The common walls between an attached garage and the home’s living space must be ________.
at least 10 feet high fire-rated soundproof triple-insulated
fire-rated
For fire safety, there should be no heating/cooling returns in __________.
bedrooms ceilings dining rooms garages
garages
There should be no heating/cooling returns installed in _________.
bathrooms bedrooms dining rooms living rooms
bathrooms
The door between a house and its garage must be _________.
dead-bolted fiberboard fire-rated hollow-core
fire-rated
A garage’s slab floor should slope to direct water away from the _________.
driveway floor drain interior walls outside
interior walls
Two types of automatic garage door drives include ________.
chain and screw pulley and rope rack and pin torsion and spring
chain and screw
Inspectors should test automatic garage doors for ______________.
automatic reverse proper thickness torsion strength weatherstripping at the bottom
automatic reverse
A safety device found on an automatic garage door-opener includes a _________.
photo-electric eye pulley sensor spring-stop
photo-electric eye
Gas- and oil-fired water heaters located in garages must be ________ so that gasoline vapors are not ignited.
18 inches above the garage slab 18 inches below grade insulated tested weekly
18 inches above the garage slab
The exterior floor drain at the bottom of walkout basement stairs should not have a _______.
grate trap
trap
T/F: When the overall lot drainage goes toward the house, swales can be used to direct surface water away from the foundation.
True False
True
The following describes a type of drain: _________.
American English French Italian
French
If the shingles overhang the roof’s eaves excessively, rainwater will ______ the gutter.
block enter overshoot rust
overshoot
All of the following are common reasons for gutter leakage, except _________.
it has improper slope the particular type of gutter material there are abrupt changes in direction there are inadequate downspout connections
the particular type of gutter material
A typical type of gutter attachment is a _________.
hinge joist hanger spike spoke
spike
A problem with homemade leaf screens or guards is that they sometimes ______________.
are removed by pests cause ice damming deteriorate from the weather fall into the gutters, leading to faster clogging of the guttering system than if it had no screens at all
fall into the gutters, leading to faster clogging of the guttering system than if it had no screens at all
Gutters should be secured every ____________.
12 inches 18 to 20 feet 2 to 3 feet 5 to 6 feet
2 to 3 feet
A good rule of thumb is that there should be a downspout for every ____ feet of gutter.
10 25 5 60
25
T/F: Baskets or strainers are used at the top of downspouts to keep them from clogging.
True False
True
A puddle on a flat roof that is 20 x 20 feet in area and an inch deep weighs ________.
1 ton 1,000 pounds 100 pounds 500 pounds
1 ton
A walkway should not have ___________.
a few steps with 6-inch rises a ramp curves several small steps with 3-inch rises
several small steps with 3-inch rises
T/F: Teflon® tape is suitable for sealing joints in steel gas piping.
True False
False
Gas shutoff valves should be located ___________.
as close as possible to each appliance as close as possible to the door as close as possible to the floor as far from the appliance as possible
as close as possible to each appliance
The drip _____ serves as a collection area for sediment in order to reduce the potential for clogged gas valves on burners.
arm funnel leg log
leg
If there is insufficient air available to a gas furnace, __________ can occur.
back-drafting barometric shutdown front-drafting side-drafting
back-drafting
All of the following are locations to look for evidence of scorching in a gas furnace, except the _________.
cabinetry or cover condensate pump heat exchanger face plate heat shield
condensate pump
For a mechanical mercury thermostat to function properly, it must be __________.
dialectric electronic grounded mounted level
mounted level
The space between floor joists can be used as ducts by __________.
cold-air returns warm-air supplies
cold-air returns
Of the following examples, the proper duct installation is ___________.
both supply and return registers on inside walls both supply and return registers on outside walls supply registers on inside walls, with returns on outside walls supply registers on outside walls, with returns on inside walls
supply registers on outside walls, with returns on inside walls
All of the following are clues that an oil tank is buried outside, except the ____________.
filler pipe and vent are not right next to wall outside flue is high-efficiency plastic oil filter and shut-off valve emerge from a basement wall oil tank is not located inside
flue is high-efficiency plastic
All of the following are proper procedures for inspecting an oil burner, except _____________.
checking the flame for color listening for excess or unusual noise looking for oil below the burner probing the blast tube
probing the blast tube
Oil furnace exhaust flues should ___________.
bottleneck down run level slope down toward the chimney slope up toward the chimney
slope up toward the chimney
The production of excessive _____ is the main distinguishing characteristic of a high-efficiency, gas-fired furnace.
condensate
heat
noise
soot
vibration
condensate
T/F: Radiator covers often reduce a radiator’s heating efficiency.
True False
True
T/F: When inspecting a boiler, the inspector should test the air-bleed valves on all the radiators.
True False
False
When inspecting a boiler, the inspector should operate the _________.
pressure-relief valve radiator bleed valves radiator shutoff valves thermostat
thermostat
T/F: If a satellite dish is mounted near a window, recommend that it be re-installed next to the chimney for better support.
True False
False
When inspecting tall chimneys, the inspector should look for ____________.
a flue liner bus bars plumbing stacks proper bracing and signs of leaning
proper bracing and signs of leaning
To test a sump pump, ___________.
lift the float push the test button remove some water from the sump cavity and see if the pump turns on
lift the float
A chimney that has a height more than 2 feet above any roof within 10 feet is considered ______________.
a proper installation an improper installation only proper if the roof is flat too close to the highest roof
a proper installation
A rain cap is a part of a __________.
chimney plumbing stack ridge vent
chimney
A loose vent connection at the chimney can ______________.
allow exhaust gases to enter the home cause updrafting increase heating efficiency quiet the fan
allow exhaust gases to enter the home
Metal chimneys that rise 9 feet above the roof should be ___________.
braced freestanding replaced with a lower chimney unsupported
braced
Chimney caps provide protection against ______________.
carbon-dioxide poisoning gas leaks rain and downdrafts updrafts
rain and downdrafts
If a firebox is elevated, the hearth should be ___________.
elevated larger removed smaller
larger
T/F: Glass doors on a fireplace reduce the amount of warm household air that gets wasted up the chimney.
True False
True
T/F: Floor-mounted electric heaters should be installed near the bottom of windows and sliding glass doors.
True False
True
Ten inches of fiberglass insulation provides an insulation value of ______.
R-10 R-15 R-30 R-5
R-30
The material that has the highest R-value is __________.
concrete fiberglass insulation pine board stucco
fiberglass insulation
The following is not a form or type of insulation: _________.
ball batt foamed-in-place loose-fill
ball
Basement waterproofing systems typically use ____________.
generators gravity sump pumps two floats
sump pumps
The type of light fixtures that can create compromises in the heated envelope of a house include _________.
exterior spot lights incandescent lights interior cathedral ceiling pot lights track lights
interior cathedral ceiling pot lights
Central air conditioning increases comfort by ______________.
increasing the humidity and reducing air circulation lowering the temperature and humidity lowering the temperature and the increasing humidity
lowering the temperature and humidity
A _______ vent does not work without wind.
power ridge roof turbine
turbine
There is a voltage drop _____ two points and current passing _____ a wire.
across. .... through inside. .... against through. .... across
across….. through
One possible negative impact of improperly adding insulation to an attic is _____________.
decreasing cooling efficiency increasing heating efficiency obstructing the soffit vents
obstructing the soffit vents
In a largely unremodeled house built in 1908, you would not expect to find _______________.
lead paint lead solder manufactured trusses only one bathroom
manufactured trusses
T/F: Skylight wells that connect the ceiling to the skylight on the roof through the attic should be insulated.
True False
True
T/F: Rim and band joists in the basement are poor places to install extra insulation.
True False
False
The minimum size for the access to a crawlspace is _______ inches.
12 x 12 18 x 24 28 x 28 36 x 36
18 x 24
The minimum size for an attic access is _______ inches.
12 x 12 22 x 30 36 x 36 36 x 36
22 x 30
Toilets are the most likely plumbing fixture to cause ___________.
backflow efflorescence the sump pump system to run continuously the wooden sub-flooring to rot
the wooden sub-flooring to rot
Efflorescence is related to __________.
electrical systems masonry septic systems windows
masonry
A missing or undersized lintel can put pressure on the ___________.
beam jacks heating system windows
windows
Electrical receptacles should be located within ______ feet of each other.
12 25 3 8
12
All electrical wires should clear flat roofs by at least ____ feet.
14 3 8
8
The minimum thickness for a solid wood door installed between a garage and the living space is ______.
1 inches 1-3/8 inches 1/2-inch as thick as the firewall
1-3/8 inches
All of the following are clues that a basement is sometimes wet, except __________.
loose floor tiles rusty baseboard nails stored items kept on the floor the use of a dehumidifier
stored items kept on the floor
T/F: With respect to flow, 3/4-inch pipe is 1-1/2 times larger than 1/2-inch pipe.
True False
False
The main reason slates fall from roofs is that the ____________.
flashing fails nail fasteners rust and fail slate flakes
nail fasteners rust and fail
Water pressure ______ with the height of the fixture.
decreases increases
decreases
Water pressure tanks typically have ________.
arms bladders lungs throats
bladders
T/F: The more slope there is for a plumbing drainpipe, the better.
True False
False
A drainpipe that slopes too much will leave _________ behind.
liquid nothing solids solids and liquids
solids
A _____ window is hinged on one side.
casement double-sash fixed-pane jalousie
casement
A(n) _______ is a legal and commonly used trap.
bell trap drum trap P-trap S-trap
P-trap
T/F: Exterior plumbing stack vents should be at least 3 feet above operable doors and windows.
True False
True
When testing a bathtub with jets, the inspector should make sure they are _________.
above the water level dry plugged submerged first
submerged first
Slope is determined by ________.
rise divided by run rise multiplied by run run divided by rise run plus rise
rise divided by run
A type of flashing that is not typically found around chimneys includes ______ flashing.
cricket raincoat saddle step
raincoat
One type of problem with asphalt shingles is called _____________.
alligatoring dog-earing leoparding snaking
alligatoring
All of the following are evidence of frost heaving, except _____________.
a hump in the basement floor bowed foundation walls sidewalks that slope up toward the house truss sag
truss sag
Piers made of hollow concrete block should be installed with the hollow channels set _________.
diagonally either vertically or horizontally horizontally vertically
vertically
The following describe types of floor joists. except _________.
1/4-inch sub-flooring 2x12 engineered wood I-joist truss joist
1/4-inch sub-flooring
No ridge board is needed in a roof if ______________.
the pitch is steep and the rafters are directly opposed the rafters alternate where they meet at the peak the slope is 3:12 there are no collar ties
the pitch is steep and the rafters are directly opposed
A general home inspection is visual and ____________.
conducted over several days invasive non-invasive technically exhaustive
non-invasive
T/F: Home inspections are used to determine the actual value of a property.
True False
False
T/F: A home inspector should not have an undisclosed financial interest in the home s/he inspects.
True False
True
The horizontal board that connects two rafters is called a ________.
collar tie footer joist lintel
collar tie
T/F: Radon is a liquid.
True False
False
Lead paint is a safety hazard ___________.
for children in mobile homes in new homes likely found in homes built after 1980
for children
Mold can be found where there is ____________.
dryness increased air flow low humidity moisture
moisture
Coliform may be found when an inspector takes a sample of the home’s ____________.
insulation paint radon levels well water
well water
A sand mound is a ____________.
method for keeping water out of the basement roof system used in dry climates type of septic system
type of septic system
A double-sided, interior key-only deadbolt makes ________________.
emergency exit difficult entry by an intruder easier the door insecure the door jamb weaker
emergency exit difficult
A pressure/temperature-relief valve on a hot water tank should have an extension to __________.
give it more time to cool down prevent backflow the floor the main disconnect
the floor
A 60-amp electrical service panel at a home that is 2,800 square feet would be considered ________________.
adequate oversized the only option for a home that size undersized
undersized
T/F: Swimming pools and swing sets are included in a general home inspection.
True False
False
A septic system with a submersible grinder/effluent pump typically has a __________.
completely gravity-powered method of operation failure alarm long extension cord
failure alarm
T/F: Once a home inspection report is generated, it becomes a matter of public record.
True False
False
T/F: An inspector serves the same function as an appraiser.
True False
False
Wood-destroying insects do not include ___________.
carpenter ants carpenter bees cockroaches termites
cockroaches
Shelter tubes are made by _________.
contemporary home builders pipe extruders roofing supply manufacturers termites
termites
A _________ is a type of wood-destroying insect.
bumblebee carpenter bee drainpipe beetle heater bee
carpenter bee
T/F: Radon-mitigation systems typically operate under a vacuum.
True False
True
T/F: Radon causes brain cancer.
True False
False
Asbestos is not usually found ___________.
at liners for wood stove doors in old floor tiles inside plumbing supply lines on boiler lines
inside plumbing supply lines
A home inspector can use a microwave leak-detector to check ___________.
cooling systems for EMFs microwave ovens
microwave ovens
In a house built in 1998, you would not expect to find _____________.
lead paint manufactured roof trusses PVC or ABS drainpipe Romex® wiring
lead paint
Oriented strand board is ______________.
equally strong in both directions is no different than plywood is no different than sheet vinyl used as sub-flooring and sheathing
used as sub-flooring and sheathing
Home inspectors are not required to inspect ______________.
basements heating systems lawn sprinkler systems plumbing fixtures
lawn sprinkler systems
When a heavy snow falls on a conventional stick-built roof, the collar ties between rafters are under ________.
compression pressure tension torsion
tension
A plumbing drain line should run downhill at a slope of _________.
1/4-inch per foot 3 inches per foot 6:12 nearly vertical
1/4-inch per foot
ABS and PVC are types of ___________.
automatic braking systems home inspection associations plastic plumbing drainpipes and fittings pressure-vacuum circuits
plastic plumbing drainpipes and fittings
Of the following conditions regarding a foundation wall, the worst-case scenario would be if the top of it were ___________.
10 inches wide 16 inches above grade 3 inches below grade at grade level
3 inches below grade
Sagging joists can be the result of any of the following causes, except _________.
excessive loads installing the joists crown up over-spanning joists undersized joists
installing the joists crown up
A swale is a ____________.
flashing low retaining wall method for repairing cracks shallow drainage ditch
shallow drainage ditch
The water supply for a house is usually _____.
3 inches 3/4-inch 3/8-inch above ground
3/4-inch
When a well pump goes on and off very quickly, this is a(n) _______ cycle.
intermediate long short
short
T/F: A home inspector should disclose any conflicts of interest.
True False
True
The best conductor of electricity is _________.
aluminum ceramic copper wood
copper
T/F: Passing InterNACHI’s Inspector Examination allows you to provide engineering services.
True False
False
A chimney top should be at least _____ above the roof and _____ higher than anything within _____ feet.
10. .... 3..... 2 2. .... 10..... 3 3. .... 10..... 2 3. .... 2..... 10
3….. 2….. 10
T/F: Generally, a home inspector is required to check all cycles of a dishwasher.
True False
False
An air chamber can be found in a(n) _________.
air conditioner chimney flue supply line above a faucet or valve vent stack
supply line above a faucet or valve
If you can inspect only about half the total area of a crawlspace because of stored items, you should _________________.
disclaim the entire crawlspace as inaccessible move all the stored items and then inspect the entire crawlspace report that the crawlspace was inspected report that the crawlspace was only partially inspected due to limited access
report that the crawlspace was only partially inspected due to limited access
The wall that ___________ is likely to be a non-load-bearing wall.
has a girder resting on it is an outside wall runs parallel to the ceiling joists runs perpendicular to the ceiling joists
runs parallel to the ceiling joists
A yellow flame at a gas furnace indicates _____________.
insufficient primary air normal operation poor flue draft
insufficient primary air
If your ladder is too short or the roof is too steep to safely walk, you should _____________ and report that.
assume that the roof is in good condition assume that the roof is in the same condition as the rest of the house find out if the homeowner has noticed any roof leaks inspect the roof from the ground and attic, if possible
inspect the roof from the ground and attic, if possible
The inspector is required to inspect all of the following items, except __________.
a spa the basement the doorbell the garage door opener
a spa
The proper way for an inspector to test a GFCI receptacle is by _________.
pushing the test button using a GFCI testing device using a multimeter
using a GFCI testing device
A bathroom door sticks and there is a drywall crack above the door. What should you report?
A structural engineer should be consulted. Foundation problems are causing doors to stick and walls to crack. The bathroom door is causing foundation problems. The bathroom door sticks, which may have caused the drywall crack above it.
The bathroom door sticks, which may have caused the drywall crack above it.
When testing a gas leak, the inspector should not use _________.
a fire source an electronic gas leak detector his/her sense of smell soapy water
a fire source
During an inspection of the sidewall flashing at a masonry chimney, where the asphalt shingles meet the counter-flashing, roofing cement has been applied; this condition should be reported as ____________.
"It is difficult to say if proper step flashings were installed." "Roofing cement should be considered only a temporary repair." "This is not a good building practice." all of these
all of these
The likely cause of efflorescence on chimney brickwork just below the roof line is __________.
a blocked chimney flue leaking roof flashing leaking soffits the lack of a proper chimney liner
leaking roof flashing
Common materials for valley flashing include all of the following, except _________.
aluminum
brass
galvanized steel
lead
roll roofing
brass
A skylight inspection includes doing all of the following, except _____________.
lifting up on the edge of the skylight looking at the flashings looking from inside the home below the skylight standing on the glazed section tapping on the glazing
standing on the glazed section
All of the following statements are true concerning shrinkage cracks except ______________.
they are common in poured concrete foundation walls they do not necessarily have corresponding cracks elsewhere in the structure they typically do not go all the way down into the footings they usuallly occur at weak spots in the wall vertical shear is associated with them
vertical shear is associated with them
The best way to determine whether a crack is active is to _______________.
determine how many planes of movement there are determine whether the cracks go directly through the masonry units or whether it follows the mortar joints in a step fashion; the crack through a masonry unit is likely to be an active crack look at the shape of the crack; if it is in the shape of an inverted pyramid, it is active measure it; if the crack is greater than 1/4-inch, it is active monitor the crack over a period of time to see if it grows
monitor the crack over a period of time to see if it grows
Settlement cracks ______________.
can be prevented from developing using control joints do not usually have corresponding cracks elsewhere in the structure typically do not go all the way up into the structure above will occur at weak spots in the wall
can be prevented from developing using control joints
Common problems with sills include all of the following, except ___________.
crushing
gaps under the sills
poor anchoring
rot
sagging
crushing
The term “rising damp” describes ____________.
a flooded basement
a flooded crawlspace
capillary wicking of water into masonry units
expansive soils
leakage through foundation walls
capillary wicking of water into masonry units
All of the following are acceptable methods for lateral bracing for beams except ______________.
floor joists nailed to tops of wood beams joists attached to beams with joist hangers joists resting on the bottom flanges of steel beams joists sitting on top of steel beams nailed to the overlapping joist on the other side of the beam ribbon boards fit tightly against the tops of steel beams and nailed to the bottoms of the joists
joists resting on the bottom flanges of steel beams
Non-load bearing walls ____________.
add very little load to the floor joists below should be parallel to and between the floor joists below should be parallel to and directly above a floor joist below should be perpendicular to floor joists below should not be offset from the beam or wall below
add very little load to the floor joists below
The function of sheathing includes all of the following, except __________.
helping to keep wind out of the home keeping water out of the home stiffening the walls to prevent racking supporting the metal ties for brick veneer supporting the siding
keeping water out of the home
Load-bearing walls _____________.
are typically installed parallel to supporting floor joists below are typically installed perpendicular to supporting floor joists below can be offset by more than 3 feet from their support below typically have single top plates
are typically installed perpendicular to supporting floor joists below
An inspector who observes that a roof truss has been cut should ____________.
advise the client to seek further evaluation by a roofing contractor or other specialist advise the client to sister a 2x4 over the cut that extends at least 3 feet on either side confirm that cuts in trusses are not a problem look for other signs of distress walk the roof surface to determine its strength and support
advise the client to seek further evaluation by a roofing contractor or other specialist
Plywood, waferboard and OSB require edge support at all edges using any of the following methods, except __________.
using tongue-and-groove joints in the panels with 2x2 blocking with an edge resting directly on a rafter or truss with H-clips with the top and bottom edges butted and glued together
with the top and bottom edges butted and glued together
High-efficiency gas furnaces improve heating efficiency by ______________.
decreasing air flow and the temperature of flue-gas exhaust increasing air flow and the temperature of flue-gas exhaust increasing blower speed and evaporating flue gases reducing air flow across the heat exchanger reducing the temperature rise and condensing flue gases
reducing the temperature rise and condensing flue gases
The vent exhaust is so low temperature because all ___ appliances are equipped with a secondary heat exchanger where heat is further extracted from the combustion air as the water vapor (a byproduct of combustion) cools and condenses to water.
Category I Category II Category III Category IV
Category IV
Common problems with mid- and high-efficiency furnaces include all of the following, except _____________.
clogging
cracking
overheating
rust
vibration
vibration
Although there may be a noticeable smell of oil upon entering a house, _________ is not a potential concern.
a corroded oil supply line a leaking tank an inoperative burner the barometric damper being stuck closed the fuel supplier having over-filled the tank
the fuel supplier having over-filled the tank
An oil furnace that has a tripped primary control should be ____________.
inspected at the heat exchanger to check for pooling oil without re-setting the primary control re-set without attempting to fire the burner turned on at the burner after re-setting the primary control viewed at the firepot to check for pooling oil without re-setting the primary control
inspected at the heat exchanger to check for pooling oil without re-setting the primary control
The pressure-reducing valve ___________.
prevents accumulation of air in the top of the radiator reduces boiler water pressure to plumbing pressure reduces plumbing water pressure to boiler pressure reduces the pressure in the radiator to atmospheric pressure
reduces plumbing water pressure to boiler pressure
The expansion tank in an open system is typically located ___________.
above the highest radiator
at the lowest pipe's level
below the boiler
below the pressure-reducing valve
level with the circulator
above the highest radiator
The best location for a radiator in an open system located in a basement is _________.
on an exterior wall
on an exterior wall under a window
on an interior wall
on the ceiling
underneath the raised floor
on an exterior wall under a window
The characteristics of a sound chimney include all of the following, except ____________.
it does not allow water to enter the house it enhances the draft from appliances it prevents exhaust gases from entering the house it supports its own weight
it enhances the draft from appliances
A clay tile liner inside a masonry chimney ____________.
may be round or rectangular should be firmly and continuously supported by brick around the perimeter should have its sections joined with high-temperature caulking should rest on stainless steel nails typically comes in 6-foot sections
may be round or rectangular
Masonry chimneys may settle or lean for any of the following reasons, except ___________.
excessive corbelling
frost heave
inadequate lateral support
the absence of a clay flue liner
undersized footings
the absence of a clay flue liner
If a wood stove has no data plate that indicates combustible clearances, there should be _____ inches of clearance from the rear and sidewall.
24
36
48
60
72
36
All of the following are basic components of a masonry fireplace except a ____________.
damper
heat circulator
smoker chamber
smoker shelf
throat
heat circulator
A(n) __________ can be found at a steam heating system.
circulator pump
expansion tank
high-pressure limit switch
manual bleed valve on a radiator
pressure gauge
high-pressure limit switch
All of the following are advantages of electric heat except that ____________.
room-by-room control is possible there are almost no off-cycle losses they are less expensive to purchase and install than gas or oil systems they are quick to respond they have greater input capacity than gas and oil heat furnaces
they have greater input capacity than gas and oil heat furnaces
A sequencer on an electric furnace is a __________.
control that ensures that its individual elements do not all turn on at the same time device that allows the heat that is produced to match the heat loss of the building device that ensures that the furnace fan turns on and off at appropriate intervals device that limits the total current draw of the furnace device that shuts off the furnace when other large electrical appliances in the house are working
control that ensures that its individual elements do not all turn on at the same time
The function of a compressor in an air-conditioning system is to ___________.
convert the gas to a liquid force the Freon? into the evaporator coil warm up the cool gas warm up the cool liquid
convert the gas to a liquid
The condenser on a conventional air-cooled central air-conditioning system is located __________.
adjacent to the metering device
anywhere inside the house
in an outdoor cabinet near the compressor
in the attic
in the furnace cabinet
in an outdoor cabinet near the compressor
All of the following describe common problems with a condensate collection system, except __________.
a blocked drain
a leaking pan
an improper discharge point
the condensate going into a 3/4-inch drain line
the lack of a trap
the condensate going into a 3/4-inch drain line
Common problems with the duct system for air conditioners include all of the following, except ___________.
the ducts may be oversized the humidifier damper may be missing the registers may be obstructed the supply and return registers may be in undesirable locations there may be too few supply and return registers
the humidifier damper may be missing
When a heat pump is in ___________________.
cooling mode, the indoor coil acts as the condenser cooling mode, the outdoor coil acts as the evaporator heating mode, the condensate line should be producing at least 1 quart of water every two hours heating mode, the emergency heat switch should be activated heating mode, the indoor coil acts as the condenser
heating mode, the indoor coil acts as the condenser
The balance point is defined as the point ______________.
at which the backup heat capacity and heat pump capacity are the same at which the heat pump can just keep up with the heat loss at which the heating and cooling capacities are the same below which the backup heat must be abandoned below which the heat pump can just keep up with heat loss
at which the heat pump can just keep up with the heat loss
The _________ is a component that can be found on a heat pump, but not at a central air-conditioning system.
compressor
expansion device
indoor coil
outdoor coil
reversing valve
reversing valve
If a heat pump is operated in cooling mode when the outdoor temperature is below 65? F, the _________________.
compressor may be damaged efficiency will be maximized efficiency will be minimized the crankcase heater will be overloaded
compressor may be damaged
Wood-frame wall assemblies include all of the following components, except __________.
bridging
drywall
sheathing
siding
studs
drywall
The following are problems commonly affecting stucco, except _______________.
being unpainted
bulging
cracking
crumbling
evidence of rusted lath/detachment
being unpainted
Common problems with metal and vinyl siding include all of the following, except ______________.
it can buckle or become wavy due to heat exposure it can suffer from mechanical damage the attachment nails may not be driven tightly the metal siding is not grounded the panels can become loose
the metal siding is not grounded
Common problems with windows include all of the following, except ___________.
condensation between panes
cracked or broken glass
frame deformation
missing or damaged storm windows and screens
windows that are single-glazed
windows that are single-glazed
The most likely cause of a porch pulling away from a house wall is ___________.
insect damage rot settlement, heaving, or buckling of the porch columns the use of roofing materials that are too heavy, such as slate the use of undersized wood members at the roof structure
settlement, heaving, or buckling of the porch columns
Elements of a slab-on-grade garage floor include all of the following, except ______________.
a free-draining granular base below the concrete a slab thickness of at least 3 inches adequate slope toward the vehicle door rigid foam insulation under the concrete floor slab well-compacted backfill placed in the trenches around the garage's foundation
rigid foam insulation under the concrete floor slab
The appropriate slope for a lot away from a house is _____________.
1 inch per foot for every 2 feet 1 inch per foot for every 6 feet 1 inch per yard for every 12 feet
1 inch per foot for every 6 feet
The single biggest enemy of retaining walls is _________.
inadequate excavation
inadequate tie-backs
rust
undersized rebar
water
water
All of the following are common insulation materials for a home, except __________.
cellulose fiber
fiberglass
mineral wool
polystyrene
polyvinyl chloride
polyvinyl chloride
Attic insulation may become wet as the result of any of the following except ____________.
a roof leak an exhaust fan discharging directly onto the insulation being installed too close to a chimney condensation rain blowing in through the roof vents
being installed too close to a chimney
Adding insulation to the exterior surface of un-insulated wood-frame walls is a problem because it may create _______________.
a double vapor barrier
a vapor barrier in the wrong place
an air barrier in the wrong place
convection loops within the stud cavity
increased drying potential
a vapor barrier in the wrong place
Common problems with window frames include all of the following, except ____________.
drain holes that are blocked or missing frame deformation rot rust
rust
Exterior hinges on a door _________.
are acceptable if the door is self-closing are found only on French doors are used with doors that open inward improve the appearance of interior trim reduce the door's security
reduce the door’s security
Evidence of wet basement problems include all of the following, except __________.
damaged interior finishes
frost-heaving of floors
musty odors
structural deterioration
visible mold growth
frost-heaving of floors
The following are signs of water problems in a basement, except __________.
loose floor tiles peeling paint near the base of walls rust at the base of steel columns stored items in the basement kept off the floor the window wells extend below the windows
the window wells extend below the windows
When possible, the minimum 6-inch fall in finish grade over a distance of _____ from the building (minimum 5% slope) should be exceeded and extended.
1 foot 10 feet 2 meters 72 inches
10 feet
A 40- to 50-year old galvanized steel water supply system _______________.
is not compatible with PVC drain lines is the best system available should be flushed annually should have the water tested for lead will probably have reduced water volume and pressure
will probably have reduced water volume and pressure
All of the following are common materials used for water entry piping, except ___________.
copper
CPVC
polyethylene plastic
PVC
welded steel pipe
copper
Regarding electric water heaters, it’s false that _____________.
it can be difficult to tell if one of the two elements is burned out most units have two elements the lower element does more work the upper element usually comes off first
it can be difficult to tell if one of the two elements is burned out
Regarding temperature/pressure-relief valves, it is false that they ____________.
protect against steam explosions should be connected to a discharge tube should have a BTU rating at least as great as that of the water heater should operate at 150 psi shut off the water heater if the temperature exceeds 210? F
shut off the water heater if the temperature exceeds 210? F
One potential safety hazard with older boiler systems with domestic coils is __________.
excess pressure at the faucets
inadequate combustion air
increased fuel consumption and cost
over-sizing of the boiler
scalding temperatures at the domestic hot water supply
scalding temperatures at the domestic hot water supply
All of the following are possible situations with cross-connections except _____________.
bidets
extendable faucets on kitchen sinks
floor drains with no trap primers
trap primers
water supply connections to heating boilers
floor drains with no trap primers
Most plumbing codes allow _______.
bell traps
double-traps
drum traps
P-traps
S-traps
P-traps
Sump pumps _____________.
are typically manually operated may be pedestal-type or submersible should have a hermetically sealed sump lid should not have a check valve in the discharge pipe typically operate on 240-volt electrical circuit
may be pedestal-type or submersible
The fixture in the house that’s going to have the weakest flow and drainage is the ____________.
fixture closest to the dishwasher because the dishwasher uses so much water highest fixture in the house lowest fixture in the house smallest fixture in the house toilet because it has only a cold-water supply
smallest fixture in the house
Areas in shower and bathtub enclosures that are vulnerable to mildew include all of the following, except ___________.
faucet penetrations
grab bars
soap dishes
the top of the tile where it joins the conventional wall finish
windows
grab bars
Electrical switches in bathrooms should be ____________.
as close to the basin as possible at least 3 feet away from shower stalls and bathtubs next to electrical receptacles of the dimmer type
at least 3 feet away from shower stalls and bathtubs
The most difficult problem to determine in a bathroom is ___________.
the condition of the shower pan under the shower base whether the caulking is deteriorating whether the toilet continuously runs whether the water pressure is too low whether there is water hammer
the condition of the shower pan under the shower base
Knob-and-tube wiring was commonly installed in homes in the U.S. __________.
between 1940 and 1960 between 1970 and 1980 prior to 1930
prior to 1930
The service drop is the ____________.
overhead wires attached at the utility pole leading to the point of connection at the house underground wires at the utility leading to the point of connection at the house wires inside the conduit connecting the service panel with the distribution panel wires that connect the electrical meter to the service panel
overhead wires attached at the utility pole leading to the point of connection at the house
The _________ is a reliable indicator of service amperage.
rating of the distribution panel
rating of the meter
size of the service drop wires
size of the service entrance conductors
size of the service entrance conduit
size of the service drop wires
The service size at a home having #6-gauge copper wires entering the service panel with two 60-amp fuses inside, with #3 copper conductors coming from the service panel leading to a newer combination panel that has a 100-amp main breaker is ______ amps.
100 120 160 60
60
Each of the following is an approved method for grounding, except _________.
a concrete-encased electrode
a grounding rod
a metallic underground water pipe
gas piping
the metal frame of a building
gas piping
If the neutral wire bypasses the service panel, _____________.
the ground wire will carry electricity under normal conditions the grounding electrode conductor won't reach the grounding rod the house's electrical system won't function properly the neutral and grounding system will not be properly connected the neutral wire may overheat
the house’s electrical system won’t function properly
Number 10 gauge wire is typically used for all of these appliance installations, except _________.
air conditioners
clothes dryers
cooktops
dishwashers
saunas
dishwashers
White wires can sometimes act as a black wire __________.
by design on a reverse-polarity circuit in 240-volt circuits in multi-branch circuits on a dedicated circuit for a clothes dryer on a dedicated circuit for a washing machine
in multi-branch circuits
Issues affecting knob-and-tube wiring include all of the following, except ____________.
brittle wire insulation or sheathing connections to a updated wiring not installed in boxes fused neutrals overheated neutrals on multi-wire branch circuits wires buried in insulation
overheated neutrals on multi-wire branch circuits
Problems with aluminum wiring include all of the following, except ___________.
aluminum is soft and easy to damage aluminum oxide is not a good conductor of electricity it lacks a ground wire it tends to creep some of the early aluminum wiring is low-quality
it lacks a ground wire
A 14-awg conductor should be connected to a _______ fuse or breaker.
10-amp 15-amp 20-amp 25-amp
15-amp
GFCI receptacles _____________.
detect differences in current between the ungrounded conductor and the grounded conductor only work on grounded circuits perform exactly the same function as grounding protect all of the receptacles upstream in the same circuit
detect differences in current between the ungrounded conductor and the grounded conductor
Home inspection reports must include ______________.
a description of inspected components and systems the causes of the need for any major repairs the cost of repairs the life expectancy of the components and systems the method and materials for recommended repairs
a description of inspected components and systems
Inspection reports can be released to people other than the client ____________.
as long as they have a legitimate interest in the property if the person is the listing real estate agent involved in the transaction only to those who have signed a third-party liability waiver only with the client's permission
only with the client’s permission
If you see something in a house that you don’t recognize or understand, ________________.
advise the client that you don't know what it or the condition is but will try to find out ask the listing agent what it is don't mention it in your discussion or written report explain to the client that it should be remove
advise the client that you don’t know what it or the condition is but will try to find out
A home inspector’s liability is ___________.
an issue only if the inspector performs sloppy inspections eliminated if a written report is provided to the client greater if the client's expectations are not realistic greatest for the veteran inspector
greater if the client’s expectations are not realistic
Two methods for installing a drain line for a dishwasher include an air gap device and a _______.
drip cap drip loop hi-loop lo-loop
hi-loop
In a septic system, the connection point for a series of pipes that carry liquid waste to the leachfield is called a _________.
distribution box dosing tank pumping tank septic tank
distribution box
The ventilation requirements for a crawlspace are 1 square foot of venting per _____ square feet of floor area.
100 150 300 400
150
T/F: Receptacles located higher than 5-1/2 feet above the floor are not counted as required receptacles.
True False
True
T/F: Fixed door panels, such as the fixed portion of a sliding glass door, are not counted as floor space for the placement of required receptacles.
True False
False
Carpenter ants and carpenter bees chew holes and galleries in wood ________________.
and build mud tubes for protection and digest the wood for food but do not actually eat the wood to feed on termites
but do not actually eat the wood
T/F: Metal brick ties are crimped to allow for expansion and contraction along with the wooden house frame to avoid cracking the brick veneer.
True False
True
For fireplace openings under 6 square feet, the hearth shall extend ____ inches in front and ____ inches on each side.
16. .... 18 16. .... 6 16. .... 8 6. .... 6 8. .... 16
16….. 8
Knob-and-tube wiring does not have _________________.
a ground wire a junction box a junction box or ground wire insulation
a junction box or ground wire
The live load rating/capacity for a deck is _____ pounds per square foot.
20 30 40 50
40
The ________ window is a type of window that does not offer easy egress.
casement double-hung hopper slider
hopper
A return-air vent is not recommended in the _______.
bedroom hallway kitchen living room
kitchen
The clearance for an electrical service line over a roof with a slope of 4:12 or more is ____ feet.
12 18 3 6
3
The clearance for an electrical service line over a roof with a slope of less than 4:12 is ____ feet.
12 2 20 8
8
Electrical service lines should clear residential driveways by _____ feet.
12 14 16 18
12
Electrical service lines should clear public streets and alleys by _____ feet.
12 14 16 18Ceiling fans weighing \_\_\_\_\_
18
Ceiling fans weighing _____ pounds or less may be hung by a J-box alone.
35 50 70 80
35
The minimum circuit breaker/fuse rating for a kitchen range is _____ amps.
20 30 40 50
40
The minimum circuit breaker/fuse rating for a clothes dryer is _____ amps.
20 30 40 50
30
A 3-phase electrical system has ___ poles.
four six three two
three
Direct burial cable should be installed below grade ______ inches.
12 18 24 6
24
A clothes dryer vent requires a _____________.
damper manifold screen screen and damper
damper
The maximum length for a 4-inch dryer vent tube is _____ feet.
10 12 35 6
35
According to 2018 International Residential Code, the maximum length of a dryer exhaust pipe is _____ feet.
10 15 25 35
35
The maximum notch in an exterior or load-bearing stud should not exceed _______.
10% 25% 30% 50%
25%
The maximum bore in a 2x10-inch floor joist is __________.
2 inches in diameter and 2 inches from the bottom 2 inches in diameter and 2 inches from the top 3 inches in diameter and 2 inches from the top and bottom 3 inches in diameter and 5 inches from the top
3 inches in diameter and 2 inches from the top and bottom
The maximum height for an egress window stool’s sill in a sleeping area is _____ inches.
24 36 44 54
44
The required size for an egress window in a sleeping area is ______ square feet.
3. 6 4. 2 4. 8 5. 7
5.7
The minimum opening height for an egress window in a sleeping area is _____ inches.
18 24 30 36
24
The minimum opening width for an egress window is _____ inches.
12 18 20
20
The minimum dimensions for an access to a crawlspace are _____ inches.
18 x 18 18 x 24 20 x 20 24 x 36
18 x 24
_________ ventilation systems are most effective in cold climates.
Balanced Exhaust Spot Supply
Exhaust
The minimum thickness for ridge board is _____ inch(es).
1 1-1/2 2 2-1/4
1
The minimum area for a habitable room in a residence is ____ square feet.
100 40 60 70
70
A firewall with a 1-hour rating has a _____-inch minimum distance for metal electrical outlet boxes installed on opposite sides of the wall.
18 24 30 36
24
The minimum slope allowed for an asphalt shingle roof is ________.
2: 12 3: 12 4: 12 5: 12
2:12
The minimum slope allowed for a wood shingle roof is _______.
2: 12 3: 12 4: 12 5: 12
3:12
When inspecting a dishwasher, it’s not necessary to check _________.
for leaks for rust the mounting all cycles
all cycles
At a faucet, the __________ should be checked.
functional flow odor of the water pressure temperature
functional flow
The recommended working space in front of a service panel is _____ inches.
20 24 30 36
36
A ground rod should be driven a minimum of _____ feet below grade.
10 4 6 8
8
An electrical receptacle installed within ____ feet of a hot tub requires a GFCI.
10 2 3 4
10
The minimum length for an electrical power cord at a garbage disposal is ____ inches, and the maximum length is ____ inches.
12 ..... 24 18 ..... 36 24 ..... 36 36 ..... 48
18 ….. 36
The minimum length for an electrical cord at a dishwasher is ___ inches, and the maximum length is ___ inches.
12 ..... 24 18 ..... 36 24 ..... 36 36 ..... 48
36 ….. 48
The minimum gauge for copper wire for a 20-amp breaker is _____ awg.
10 12 14 16
12
The minimum gauge for aluminum wire for a 20-amp breaker is _____ awg.
10 12 14 16
10
The _______ supports a floor joist.
bridging girder plate stud
girder
The ground around a house should slope away a minimum of ____ inches within the first 10 feet.
10 4 6 8
6
The recommended heating rating for a 2,000-square-foot home is ________ BTUs.
24,000 36,000 48,000 60,000
48,000
The minimum size for a drain and trap at a kitchen sink is ______ inch(es).
1 1-1/2 1-1/4 21-1/2
1-1/2
The percentage of a non-supporting stud that may be drilled or bored is _____.
25% 30% 40% 60%
60%
The percentage of a supporting stud that may be drilled or bored is _____.
10% 25% 30% 40%
40%
The percentage of a double-board stud that may be drilled or bored is _____.
25% 30% 50% 60%
60%
The purpose of a ground-fault circuit interrupt (GFCI) is to __________.
convert a two-wire system to a three-wire system protect electrical appliances reduce fire hazard reduce shock hazards
reduce shock hazards
A temporary service pole is usually installed in the earth to a depth of at least _____ feet.
2 3 4 5
3
The maximum number of hand movements allowed to disconnect electrical power at a residential service panel is _____.
four one six two
six
A crawlspace should have one vent at least ______ feet from the corner.
1-1/2 2 3 4
3
To test for gas leaks without an electronic tester, ________ can be used.
a visual-only observation oil soapy water water
soapy water
It is typical to find a 1-inch air gap __________.
at the open end of a faucet at the open end of a pipe at the open end of a vent between the end of a filler tube and a reservoir
between the end of a filler tube and a reservoir
At a fireplace with an opening of less than 6 square feet, the minimum required size of the hearth extension is _____ inches at the front, and _____ inches at the sides.
16 ..... 8 18 ..... 12 22 ..... 12 24 ..... 12
16 ….. 8
At a fireplace with an opening of greater than 6 square feet, the minimum required size of the hearth extension is _____ inches at the front, and _____ inches at the sides.
20 ..... 12 20 ..... 16 22 ..... 12 24 ..... 12
20 ….. 12
The reason for putting anti-oxidant on aluminum wiring connections is to __________.
connect two dissimilar metals make a tighter connection prevent an arc at the connection stop electrolysis
stop electrolysis
At an air-conditioning system, the inspector is required to check the _________.
air temperature drop break at the compressor design point system's capacity
air temperature drop
If you can enter only 8 feet into a crawlspace because of obstructions, you should report that _______________.
the access opening is too small the crawlspace was not inspected the crawlspace was only partially inspected due to limited access the property owner should have the crawlspace inspected using a remote camera
the crawlspace was only partially inspected due to limited access
A __________ is required on a fireplace that uses gas logs instead of real wood.
copper gas supply line cutoff valve within the firebox damper block starter wand
damper block
The inspector is not required to check the _______ on a fireplace.
damper draft firebrick hearth
draft
T/F: Shutoff valves for vented decorative appliances, room heaters and decorative appliances for installation in vented fireplaces shall be permitted to be installed in an area remote from the appliances where such valves are provided with ready access.
True False
True
When sheathing a roof with plywood, ____________ is required.
installing the sheets crown down maintaining gaps between the sheets in a straight line nailing every 6 inches the use of H-clips or 1/16-inch spacing between the sheets
the use of H-clips or 1/16-inch spacing between the sheets
An oven may be checked at a temperature of 350 degrees plus or minus ____ degrees.
25 5 50 75
25
When inspecting interior walls, the inspector should check for _________.
cosmetic defects cracks and moisture intrusion proper installation squareness
cracks and moisture intrusion
A water heater cannot be installed in a ______________.
bedroom or bathroom unless it's in a sealed enclosure dining area kitchen living area
bedroom or bathroom unless it’s in a sealed enclosure
Rainwater is prevented from entering the space between the chimney and its flue liner by a ___________.
bricks chimney cap crown flashing
chimney cap
The minimum height for a ridge board is __________.
at least 6 inches the cut of a rafter twice the thickness of the rafter wider than the rafter
the cut of a rafter
All of the following are true of knob-and-tube systems, except that ____________.
splices are not required to be placed in a box splices must be 6 inches from the insulator the tubes must penetrate wood two separate conductors are connected to individual knobs
splices are not required to be placed in a box
Surface-mounted fluorescent or recessed incandescent lights in a closet need clearance from storage areas of at least _____ inches.
12 18 24 6
6
Open bulb incandescent lighting fixtures are permitted to be installed in clothes closets.
True False
False
The minimum ventilating can be reduced to 1/300 when ventilators are located not more than ___ feet below the ridge.
2 3 6 8
3
The minimum distance from a cooktop to the bottom of a combustible cabinet is ____ inches.
18 24 30 36
30
The minimum distance from a cooktop to the bottom of a non-combustible cabinet is ____ inches.
18 24 30 36
24
Non-metallic sheathed cable should be secured ___________ if a retainer bushing is not used.
12 inches before the panel 8 inches above the panel at the panel every 4 feet
12 inches before the panel
Evaporator coolers have an air gap a minimum of ____ inch(es) between the water discharge at the float and the water level.
1 2 3 4
1
It is recommended that an inspector not check an air-conditioning unit’s operation when the exterior temperature is below ______.
45° F 55° F 65° F 75° F
65° F
The spacing on rafters that uses sheathing that is stamped 32/16 should be ______ inches.
16 20 24 32
32
To determine whether a switch or receptacle is acceptable for both aluminum and copper wire, _____________.
check the wiring for all the other switches and receptacles in the home defer to the AHJ look for the CO/ALR ID that is located on the yoke pull the device from the box and check the screw connections
look for the CO/ALR ID that is located on the yoke
To check the functionality of a trash compactor, you can __________.
make sure all the other kitchen appliances are turned off roll up a newspaper, place it upright in the bin, and operate the compactor see if it crushes a bottle stop the compactor during its cycle and check the position of the shaft
roll up a newspaper, place it upright in the bin, and operate the compactor
To check the functionality of a microwave oven, you can __________.
check for microwave leaks with a leak detector place a cup of water in it, turn it on, and check to see if the water becomes hot place a piece of aluminum foil in it and watch for sparks pperate the microwave while it's empty
place a cup of water in it, turn it on, and check to see if the water becomes hot
The hearth slab of a masonry fireplace is required to be _____ inches thick.
2 3 4 5
4
The required separation between the fireplace chimney and combustibles is _____ inch(es).
1 2 3 4
2
Rafter ties that are sized 1x4 inches should be spaced _____ feet on center.
2 3 4 5
4
The maximum length for a 110-volt power cord for a window/portable air conditioner is _____ feet.
10 12 6 8
10
Trees should be no closer to a slab foundation than ____ feet.
10 15 to 20 2 30
15 to 20
Metal shingles shall not be installed on a roof having a slope less than _____.
2: 12 3: 12 4: 12 5: 12
3:12
The ends of each roof rafter or ceiling joist shall have no less than _____ inches of bearing on wood or metal, and not less than _____ inches on masonry.
1 ..... 2 1 ..... 4 1-1/2 ..... 3 2 ..... 4
1-1/2 ….. 3
Where electrical conductors are to be spliced, terminated or connected to fixtures or devices, a minimum length of ____ inches of free conductor shall be provided at each outlet, junction or switch point.
3 4 6 8
6
The minimum depth for treads at a staircase is _____ inches.
10 12 14 8
10
Residential units in two-family dwellings shall be separated from each other by wall and/or floor assemblies of not less than a _____-hour fire-resistive rating.
1-1/2 2-1/2 one two
one
The maximum length of a 4-inch diameter clothes dryer exhaust vent shall be reduced by _____ feet for a 45-degree bend, and _____ feet for a 90-degree bend.
2 ..... 4 2-1/2 ..... 5 3 ..... 6 5 ..... 10
2-1/2 ….. 5
Drain and vent stacks shall terminate _____________.
25 feet from the fixture to an approved drain pan under the home up through the roof
up through the roof
Two automatic circuit interrupters are ____________.
conductors and receptacles fuses and circuit breakers motors and disconnects switches and fuses
fuses and circuit breakers
The appropriate size of copper wire for a 20-amp circuit breaker is Number _____.
10 12 14 8
12
The register on a floor furnace shall be located not less than _____ inches from doors in any position.
12 18 24 6
12
___________ required for a roof framed with 2x8-inch material.
A continuous 1x3-inch wood strip at 10-inch intervals is Bridging is not Diagonal wood or metal is Solid blocking is
Bridging is not
The landing on both sides of an egress door shall be a minimum of ____ feet.
10 x 10 2 x 2 3 x 3 4 x 4
3 x 3
Every dwelling is required to have _______________.
a front porch light, garage door opener, and attic vents a toilet, lavatory, and bath or shower GFCIs in the kitchen and bathroom, two electrical receptacles per room, and a 36-inch wide entry door heating, air conditioning, washer and dryer hookups, and bathroom vents
a toilet, lavatory, and bath or shower
The minimum size for a supply line to a kitchen sink is _____.
1/2-inch 3 inches 3/4-inch 3/8-inch
1/2-inch
An attic whose height is in excess of 30 inches must have an opening of _______ inches.
18 x 24 18 x 35 22 x 27 22 x 30
22 x 30
The door between the living space and the garage must be a _____ -inch-thick solid-core door with a fire rating of _____ minutes.
1-1/4 ..... 60 1-1/8 ..... 30 1-3/8 ..... 20 2 ..... 120
1-3/8 ….. 20
The minimum trap and arm size for a kitchen sink is _____ inches.
1-1/2 2 2-1/2 3
1-1/2
Gas pipe must be buried at least ____ inches underground.
12 18 24 8
12
Roof trusses consist of all of these components, except ____________.
chords gussets king studs web members
king studs
The centerline of a water closet shall not be less than _____ inches from an adjacent wall or partition.
12 15 18 20
15
Shower compartments shall have at least _____ square inches of floor area, and be of sufficient size to inscribe a circle with a diameter of not less than _____ inches.
1,200 ..... 45 1,800 ..... 60 600 ..... 25 900 ..... 30
900 ….. 30
An accessible gas shutoff valve for an appliance shall be located _______________.
after the union connection and within 6 feet of the appliance before the union connection and within 6 feet of the appliance within 6 feet of the appliance in an adjacent room within 8 feet of the appliance in the same room
before the union connection and within 6 feet of the appliance
The following statement is false:
A 15- or 20-amp device with no markings uses copper wire only. Electrical devices marked CO/ALR use copper, copper-clad aluminum, or aluminum wire. Electrical devices marked CU-AL are for use only with copper wire. Push-in terminal devices can use aluminum wire if it has been coated with anti-oxidant.
Push-in terminal devices can use aluminum wire if it has been coated with anti-oxidant.
When the HVAC appliance is installed in a basement, utility room, or compartment, there should be an opening or door and a passageway at least _____ inches wide.
18
20
24
30
48
24
In the garage, any flame or sparking device shall be installed with burners, burner ignition devices, or heating elements and switches at least _____ inches above the floor.
12 16 18 24
18
A bathroom fan shall terminate a minimum of _____ feet from openings or the property line.
10 2 3 5
3
The access to air-conditioning equipment installed in the attic shall not be smaller than _____ inches.
18 x 24 22 x 24 22 x 30 30 x 36
22 x 30
The minimum distance to the ground for a furnace suspended under a floor is _____ inches.
10 18 4 6
6
The minimum required size for an access to a crawlspace that has equipment installed in it is _______ inches.
12 x 12 18 x 24 20 x 24 22 x 30
22 x 30
Flooring in front equipment installed in the attic shall be _____ inches in width and _____ inches in length around all sides.
18 x 18 24 x 26 30 x 20 30 x 30
30 x 30
The required minimum distance from the front of a furnace to the door of the equipment closet in which it is installed is ____ inches.
18 2 24 6
6
Receptacles shall have GFI protection when they are _____ feet from a basin or water source.
2 3 5 6
6
Return air shall be taken from inside a ____________.
attic air and mixed with outside air dwelling, but may be diluted with air from a garage having adequate vents dwelling, but may be diluted with outside air garage and mixed with outside air
dwelling, but may be diluted with outside air
As of January 1992, gas furnaces must have a heating efficiency of at least _____.
100% 20% 50% 80%
80%
A(n) _________ may not be used as a grounding electrode.
galvanized steel conduit iron rod solid aluminum rod stainless steel rod
solid aluminum rod
Each of the following statements is true of branch circuits in a kitchen, except that _________.
countertop circuits may contain lighting fixtures no point along the countertop may be more than 24 inches from a receptacle two 20-amp small-appliance circuits are required any circuit above the countertop must be GFCI-protected
countertop circuits may contain lighting fixtures
It is true that _____________.
a dishwasher's electrical cord may exceed 6 feet in length an electric range requires a 30-amp breaker Romex? may be used as an electrical cord the electrical plug of a fixed appliance must be accessible
the electrical plug of a fixed appliance must be accessible
Edison-type plug fuses having a 30-amp capacity should be replaced with _________.
20-amp fuses circuit breakers copper pennies S-type fuses
S-type fuses
The exterior air intake from a fireplace should not be located in the __________.
attic crawlspace garage wall vent
garage
Where eave vents are installed, a minimum of ____ inch(es) of clearance between the insulation and roof decking must be provided at the vent so that air can flow unimpeded by the insulation.
1 3 4-1/2 6
1
A clothes washer may not drain into a ______________.
floor drain kitchen sink drain receptor standpipe greater than 30 inches above the weir of a trap
kitchen sink drain
All sills and plates that rest on a concrete or masonry exterior wall less than _____ inches above grade must use treated lumber.
10 12 18 8
8
Attic access openings where mechanical equipment is installed shall be _____ inches wide.
12 x 12 18 x 24 22 x 30
22 x 30
The incorrect method for notching or boring floor joists is to have _______________.
holes that are a minimum of 2 inches from the top or bottom notches at the end that are one-half the joist's depth notches in the outer third that do not exceed one-sixth of the joist's depth notching that is not located within the middle third of the joist
notches at the end that are one-half the joist’s depth
If a bearing-wall support is perpendicular to a floor joist, the maximum offset should not exceed ____________.
20 joist depths half the joist depth one joist depth two joist depths
one joist depth
In townhouses, the minimum separation for metal electrical boxes on both sides of a common wall is _____ inches.
12 2 24 36
24
The garage shall be separated from the residence and attic area by gypsum board that is ____ thick.
1/2-inch 3 inches 3/4-inch 5/8-inch
1/2-inch
The level of comfort in terms of temperature required from a residential heating unit measured at a point 3 feet above the floor is ______.
60° F 68° F 75° F 80° F
68° F
Openings shall not be permitted in exterior walls of dwellings situated less than _____ feet from a property line.
10 2 3 5
3
A swimming pool barrier must have a minimum height of _____ inches.
24 36 48 60
48
A swimming pool barrier is not required to be _____________.
constructed of solid material lockable self-closing
constructed of solid material
Guardrails on open sides of public areas shall not allow the passage of an object _____ inches or more in diameter.
3 4 5 6
4
The minimum width for a stairwell is _____ inches.
30 36 40 48
36
When combustion air for a furnace is drawn from an attic, the minimum vent area is 1 inch foot for every _______ BTUs.
1,000 10,000 4,000 40,000
4,000
A forced-air furnace ____________ describes an incorrect installation.
having a combustion chamber situated 6 inches from a door that is isolated from the bedroom or bathroom with a work space having a width of less than 30 inches with return-air grilles situated at least 10 feet from combustibles
with a work space having a width of less than 30 inches
When a heating unit is installed in an attic, a(n) __________ is not required.
access electrical cable extended through the plenum to the fan's limit switch light switch near the entry walkway in front of the unit
electrical cable extended through the plenum to the fan’s limit switch
The proper means for connecting plastic and metal gas pipe is _____________.
anywhere with an approved transition fitting underground at the exterior of the home with an approved transition fitting where the connection is visible
underground at the exterior of the home with an approved transition fitting
The minimum required clearance in front of a 3-inch cleanout is ____ inches.
12 18 24 36
18
Rod and pipe electrodes on an electrical service shall not be less than _____ feet.
10 4 6 8
8
The size of bare solid wire that is normally found at a grounding rod is ______.
#10
#4
#6
#8
6
The vertical clearances of all service drop conductors are based on a conductor temperature of _____.
50° F 60° F 70° F 80° F
60° F
The minimum size for the support of a service drop conductor is _____ inch(es).
1 1-1/4 1-3/4 2
1-1/4
When air-conditioning equipment is installed above the living space, the auxiliary drain line should terminate ____________.
3 feet away from the foundation at a secondary drain pan at a sewer connection at a visible location
at a visible location
The hearth material on factory-built fireplaces is required to be a minimum of _____ thick.
1-1/2 inches 3 inches 3/4-inch 3/8-inch
3/8-inch
A stair riser must have a maximum vertical height of _____ inches.
4 5 6 7-3/4
7-3/4
Raised floor surfaces located more than 30 inches above grade shall have guardrails not less than _____ inches high.
28 32 36 40
36
The minimum opening for wire mesh screen used to ventilate a roof structure is ______.
1/16-inch 1/2-inch 1/4-inch 1/8-inch
1/8-inch
Non-metallic sheathed cable should be installed ___ feet away from a non-permanent ladder in an attic access where the wiring will not require physical protection.
12 18 3 6
6
The NEC requires that all kitchen countertop receptacles __________.
adjacent to the sink be GFCI-protected be GFCI-protected need not be GFCI-protected within 6 feet of the sink be GFCI-protected
be GFCI-protected
When a drain vent for a bathroom is filled with water, the problem is likely a(n) ___________,
air lock in the drain line clogged drain clogged P-trap installation issue with the vent stack
clogged drain
Gas piping may run in or through a __________.
combustion-air vent dumbwaiter chute return-air duct supply-air duct
combustion-air vent
The name of the flashing used at the edge of shingles having a straight wall below is _______ flashing.
base step valley woven
step
If it is not possible or safe to walk a roof during an inspection, ___________, and this should be noted in the inspection report.
the entire roof should be disclaimed the roof is deemed inaccessible the roof should be inspected from ground level the roof should be viewed from the neighbor's roof
the roof should be inspected from ground level
When inspecting an evaporative cooler, the inspector should report whether the ___________.
connection is pig-tailed cooler is 110? or 220? cooler is a one-speed or two-speed cooler is GFCI-protected
cooler is a one-speed or two-speed
The minimum height for a light installed over a swimming pool is _____ feet.
10 12 18 8
12
If a bathroom door hits the jamb and there is a small crack in the wall above the door, the inspector should report that the __________.
bathtub should be checked for water leaks door is not functioning as intended and is in need of repair foundation needs to be inspected by a masonry contractor header above the door is warped
door is not functioning as intended and is in need of repair
If the electrical receptacles in a finished basement are the two-hole type, you should report that _____________.
the receptacles not safe they do not have the required GFCI protection they may be hazardous without a ground wire you have inspected the receptacles
they may be hazardous without a ground wire
A handrail is required at stairways having ______ or more steps/treads.
10 four six two
four
The maximum length for a power cord from the electrical receptacle to swimming pool equipment is ____ feet.
12 18 3 6
3
To test a GFCI receptacle, use _________.
a GFCI testing device a multimeter an ohm meter the push button on the GFCI receptacle
a GFCI testing device
The percentage of a top plate that may be cut out for plumbing and reinforced with 16-gauge steel plate is _____.
25% 50% 60% 80%
60%
A _____ is used in the connection between a drain and the floor outlet plumbing fixture (such as a toilet).
floor flange
flexible duct
TPR valve
vent connection
wye fitting
floor flange
A _________ cannot be next to a garage entry door.
bedroom hallway kitchen living room
bedroom
The minimum required height of a hot-water heater vent on the high side of a roof with a pitch of 6:12 or less is _____ inches.
12 24 3 6
12
The required duct clearance from combustibles on a range vent through a wall is ____ inch(es).
1 2 3 6
2
The name plate on an air-conditioning unit’s condenser may not list the _________.
name of the manufacturer phase pressure voltage
name of the manufacturer
During an inspection, you notice that the bathroom door sticks and there is a crack in the wall above it. What should you state in your report?
The bathroom door sticks and is in need of repair. The foundation has moved and a structural engineer should be consulted. There appears to be some movement in the slab, but it is functioning as designed. There is a break in the plumbing line from the bathroom, resulting in a crack above the bathroom door.
The bathroom door sticks and is in need of repair.
A hot-water supply that is 1/2-inch in diameter for a home that has four bedrooms and two and a half bathrooms means that there will ___________.
be excessive pressure in the line be heat stacking be water hammer in the piping system not be an adequate water supply
not be an adequate water supply
During an inspection of a home’s exterior, you notice that the ground slopes toward the house. The house does not have gutters. What should you state in your report?
The foundation appears to be functioning properly. The house needs to have gutters installed. The slope of the ground is not adequate for draining water away from the home, which may cause problems with the foundation.
The slope of the ground is not adequate for draining water away from the home, which may cause problems with the foundation.
A ________ device should not be used with aluminum branch circuits.
CO/ALR cop-alum parallel splice connector CU/AL listed wire nut
CU/AL
The location of the ID plate on an air-conditioning unit is ___________.
inside the evaporator coil housing next to the electrical cut-off on the condensing unit on the wall next to the unit
on the condensing unit
The most common problem observed at the water heater’s temperature/pressure-relief valve is that __________.
it has rust buildup it leaks it's for the wrong size of drain line the valve does not function
it’s for the wrong size of drain line
The maximum length for a trash compactor’s electrical cord is ____ feet.
12 2 4 6
4
T/F: Without exception, all receptacles in a garage are required to have GFCI protection.
True False
True
One type of material that cannot be used for a kitchen range vent is __________.
copper flexible coil galvanized steel stainless steel
flexible coil
A flex line connected to a gas heater may be _____ feet long.
12 3 6 9
3
In an unfinished basement, you test a three-prong electrical outlet and confirm that it is a non-GFCI receptacle, so you report that _____________.
a GFCI is not required a GFCI needs to be installed GFCIs are required only in finished basements there are no problems
a GFCI needs to be installed
The fraction of a floor joist that may be bored is ________.
one-half one-quarter one-sixth one-third
one-third
A gas water heater shall not be installed in the ___________.
bathroom dining room kitchen living room
bathroom
A non-metallic sheathed conductor without a bushing at the electrical sub-panel should be secured at _______ above the panel.
12 inches 8 inches every 4-1/2 feet
8 inches
A ___________ should not be used for aluminum branch circuits.
CO/ALR device crimping device pigtail fitting with a listed connector solderless connector
solderless connector
The approved device for binding copper to aluminum wire is a ____________.
CO/ALR connector CO/ALR splicer copalum parallel splice connector wire nut
copalum parallel splice connector
The formula for determining the proper ventilation in an attic or crawlspace is to take the square footage and divide by ______.
100 150 200 350
150
The minimum height for an electric water heater installed in a garage is _____ inches.
12 18 24 6
18
A receptacle located in a basement having a cracked cover should be reported as __________.
an unsafe system disclaimed inspected lacking GFCI protection
an unsafe system
When a heat pump system is switched from the cool to heat position, the ___________.
compressor reverses direction contactor turns crank case heater activates four-way reversing valve activates
four-way reversing valve activates
The 2009 IRC states that a railing is required at a staircase having _____ or more risers.
four six three two
three
The minimum distances allowed from the well to the septic system are ____ feet from the septic tank, and ____ from the absorption field.
100 ..... 100 50 ..... 100 50 ..... 50 75 ..... 100
50 ….. 100
A descriptive word for the chipping and flaking of masonry is ____________.
crackling settlement spalling tempering
spalling
Hallways that are greater than ____ feet long require an electrical receptacle.
10 24 6
10
The minium size (AWG) circuit conductor for a 15 amp rated circuit is _____ AWG.
10 12 14 8
14
T/F: A 20-amp receptacle can be installed on a 15-amp circuit.
True False
False
The two most common types of copper pipe are _______.
K & N L & N M & L M & N
M & L
Exhaust ducts in unheated areas should be ___________ to prevent ____________.
insulated. .... condensation insulated. .... heat loss insulated. .... termite damage uninsulated. .... freezing
insulated….. condensation
An an asphalt shingle roof, drip edge flashing should be installed _____.
over the underlayment felt along the eave edge over the underlayment felt along the rake edge under the underlayment felt along the rake edge
over the underlayment felt along the rake edge
The average service life of an oil- or gas-fired water heater is ________ years.
15 to 20 seven to 10 three to six
seven to 10
It may not be a good idea to have a boiler supplying domestic hot water because ___________.
it causes a water hammer it must be fired year-round the water may have antifreeze in it
it must be fired year-round
A pump just before the water return at a boiler is an indication that it is a(n) _________.
forced hot-water system
high-powered system
homeowner add-on
open system
radiant system
forced hot-water system
Expansion tanks are necessary on hot-water heating systems because hot water _____.
can become really scalding contracts expands releases tiny gas bubbles that need to be captured
expands
When an electric water heater has stopped producing hot water, it is likely that __________.
a breaker has tripped
a breaker has tripped and/or the upper element has burned out
both elements have burned out
the upper element has burned out
the water heater has failed
a breaker has tripped and/or the upper element has burned out
An expansion tank that is waterlogged typically lacks a(n) ___________.
air cushion raincoat water cushion
air cushion
A boiler system’s pressure-relief valve that discharges just after you turn up the thermostat may do so because of a _______________.
clogged Hartford loop faulty aquastat faulty thermostat water-logged expansion tank
water-logged expanwhat a ton of ice can cool in 24 hourssion tank
While testing an air-conditioning system’s compressor, if the unit cycles on and off repeatedly, the inspector should __________.
let it run until it resumes normal operation recommend servicing by a qualified technician recommend servicing by a qualified technician and write it up in the inspection report tell the buyer it needs replacing write it up in the inspection report
recommend servicing by a qualified technician and write it up in the inspection report
If there is no trap on a condensate line into a vent stack, _________________.
sewer gases may enter the house through the blower coil water can drain into the vent stack water can leak at the connec
sewer gases may enter the house through the blower coil
A ton of air conditioning refers to ___________.
the amount of weight of air circulated in a 24-hour period the total weight of a commercial A/C system what a ton of ice can cool in 24 hours
what a ton of ice can cool in 24 hours
