Jim's Mock NHIE Exam Flashcards
- What was added to furnaces in 1980 to increase their efficiency?
a. Thermal coupler/pilot limit switch
b. Two heat exchangers
c. Draft Diverters
d. High-limit switch
Two heat exchangers
- An inspector enters a vacant home to inspect it and notices a strong smell of gas. What should he do?
a. Open the windows and inspect the home
b. Investigate the smell and attempt to repair it
c. Vacate the home and call all appropriate people
d. Do nothing and continue with inspection
Vacate the home and call all appropriate people
- What material is not a proper flashing material?
a. Copper
b. Galvanized
c. Aluminum
d. Tar paper
Tar paper
- A three-prong receptacle requires:
a. GFCI
b. Grounding conductor
c. Ground wire to a water pipe
d. Illegal
Grounding conductor
- The neutral wire:
a. Serves only one function
b. Must be wired to ground bar
c. Provides means to ground
d. Returns 110v to ground
Returns 110v to ground
- Ice forming on the A/C evaporator coil is caused by:
a. Too much air
b. Not enough air
c. Sized wrong
d. All of above
Not enough air
- The exhaust vent of a gas dryer:
a. Must be vented to the outside
b. Vented to a ‘B’ type vent only
c. Can be vented to a chimney with a gas furnace if it is on the bottom
d. Vented to an ‘L’ type vent only
Must be vented to the outside
- A 3-tab asphalt shingle installed on a 5/12 pitch roof should have a minimum of:
a. 6 nails
b. 8 nails
c. 4 nails
d. 5 nails
4 nails
- In an electrical sub panel, the neutral wire must be:
a. Separated from the ground
b. Isolated
c. Wired to ground
d. Both separated from ground and isolated
Both separated from ground and isolated
- Deck built 14” off ground around a home:
a. Needs handrail
b. Needs railings
c. Does not need to be inspected
d. Requires no railing
Requires no railing
- Trusses:
a. Can be cut
b. Can never be cut
c. Have two bearing points
d. Should not be used
Have two bearing points
- You see a return air register in the side of a furnace:
a. Say nothing
b. Needed
c. Can cause flue gases to be drawn into supply air
d. Have no effect on operation
Can cause flue gases to be drawn into supply air
- Mid-efficiency furnace:
a. No draft diverter required
b. Needs spark ignition
c. Has pilot light only
d. Has 2 heat exchangers.
No draft diverter required
- What is the proper exposure for a 24” shake?
a. 7 inches
b. 12 inches
c. 10 inches
d. 8 inches
- Safety glazing is not required in:
a. Side lights
b. Greater than 10 sq. ft over 18” above floor
c. Garage service door 100 sq. inches
d. Picture windows
Greater than 10 sq. ft over 18” above floor
- Stucco hairline cracks appear every 16”. The cause can be attributed to?
a. Shrinkage
b. Nailing drywall on inside
c. Improper installation
d. None of the above
Nailing drywall on inside
- On a tile roof what is the proper way to flash around the chimney:
a. Counter and step flashing
b. Plastic flashing
c. Caulk
d. Counter and pan flashing
Counter and pan flashing
- You are inspecting a home built in 1950 and see a silver wire to a branch circuit. This would be:
a. Tin coated copper
b. Aluminum
c. Copper
d. Copper coated aluminum
Tin coated copper
- Moisture accumulates in poorly vented attic because:
a. Moisture rises
b. Moisture attracted to cold
c. Warm air rises & condenses in the attic
d. All of the above
Warm air rises & condenses in the attic
- What is the proper exposure for an 18-inch wood shake?
a. 6 inches
b. 7 1/2 inches
c. 10 inches
d. 12 inches
7 1/2 inches
- You view a Type “B” vent in an attic. Insulation is falling in the open chase. What do you report?
a. What you see
b. Recommend a fire stop be installed
c. Recommend they remove insulation from chase
d. All of the above
All of the above
What you see
Recommend a fire stop be installed
Recommend they remove insulation from chase
- What determines size of flue:
a. Opening of fireplace
b. Area of firebox
Opening of fireplace
- Metal chimney cap function does not include:
a. Keeping animals out
b. Keeping out rain
c. Keeping debris out
d. Reducing draw of exhaust gases
Reducing draw of exhaust gases
- Cross bridging on floor joists:
a. Stops floor squeaks
b. Removes sags from sub flooring
c. Keeps joists from twisting
d. Serves no purpose
Keeps joists from twisting
- Potential problems with roof sheathing are:
a. 3/8” plywood used
b. Ends touching each other
c. Plywood placed parallel to rafters
d. All of the above
All of the above
3/8” plywood used
Ends touching each other
Plywood placed parallel to rafters
- Which of the following does not require a dedicated circuit?
a. Kitchen counter
b. Bathroom
c. Dining room
d. Central heating
Dining room
- Wood shakes are most likely to wear and expose felt paper at:
a. Valley
b. Key way
c. Ridge and hip
d. Butt ends
Key way
- How far off the floor does a furnace’s source of ignition have to be in a garage?
a. 12 inches
b. 18 inches
c. 6 inches
d. 8 inches
18 inches
- Flat roof is used as an observation deck. Plumbing vent must extend:
a. 1 foot
b. 4 feet
c. 7 feet
d. 8 feet
7 feet
- An inspector is required to inspect at least:
a. One window in each room
b. 50% of all windows
c. None of the windows
d. All the windows
One window in each room
- A 12-foot long 2x8 floor joist has a notch. Where would the notch NOT be ok:
a. 8 inches from end on bottom
b. 8 inches from end on top
c. In the middle
d. 24 inches from end on bottom
In the middle
- A properly constructed retaining wall should:
a. Be plumb
b. Use anchors that are horizontal
c. Be backfilled with gravel
d. None of the above
Be backfilled with gravel
- A horizontal crack in a brick wall follows the gutter line. What is the cause:
a. Rafter spread
b. Shrinking mortar
c. Stress from gutter
d. Rusted lintel
Rafter spread
- In EIFS construction doors and windows can be properly sealed by:
a. Backer rod and sealant
b. Metal header and sides
c. Plastic header
d. Caulk
Backer rod and sealant
- A gas water heater is not allowed in:
a. Attic with no pull-down steps
b. Basement with ladder
c. Crawl space
d. Storage closet
Storage closet
- Each zone valve for a hydronic heating unit needs:
a. Circulating pump
b. Thermostat
c. Relief valve
d. Pressure gauge
Thermostat
- Sump pump runs even though it has been dry (no rain) for a long time. What is the cause:
a. Pump undersized
b. Float above water level
c. Float stuck
d. Pump oversized
Float stuck
- How much space is required between a double walled “B” vent and chase:
a. 2 inches
b. 4 inches
c. 6 inches
d. 1 inch
1 inch
- A new electric dryer receptacle:
a. May have 4 wires to it
b. Must be a dedicated circuit
c. May be 120 volts
d. All of the above
All of the above
May have 4 wires to it
Must be a dedicated circuit
May be 120 volts
- If the exterior service piping has been converted to plastic, what is required for electrical grounding:
a. Provide another grounding means
b. Ground to interior water pipe
c. Ground to gas pipe
d. Leave as is
Provide another grounding means
- The maximum number of disconnects to shut off an electrical service is:
a. 1
b. 2
c. 4
d. 6
6
- Which of the following is not an acceptable grounding means?
a. Underground gas pipe
b. Water pipe
c. Well casing
d. Ground rod
Underground gas pipe
- An electrical panel with a split busbar:
a. Is illegal
b. Has more than one shut off
c. Breaker above controls other breakers
d. Not grounded
Has more than one shut off
- What insulation is/was considered a safety hazard:
a. Fiberglass
b. Cellulose
c. UFFI
d. Wool
UFFI
- Reverse polarity is:
a. Not a problem
b. Is wired without a ground
c. Possible to cause a shock hazard
d. None of the above
Possible to cause a shock hazard
- Which of the following would be the least hazardous for a staircase?
a. Torn carpet
b. No switch for light
c. 1/4” riser differential
d. No handrail
1/4” riser differential
- Romex wiring can be used:
a. Outside
b. In garage with proper height
c. In attic nailed to top of joist
d. All of the above
All of the above
Outside
In garage with proper height
In attic nailed to top of joist
- Another name for Romex is:
a. UF
b. NM
c. BX
d. AL
NM
- All of the following are considered defects on a garage door opener except:
a. Missing remote controls
b. Electronic sensors mounted 12” off the floor
c. The garage door reverses with, but with excessive resistance
d. Doesn’t reverse within two seconds of contacting a test block
Missing remote controls
- Central air added to an existing furnace. What is required:
a. More ductwork
b. 2-speed fan
c. Smaller ductwork
d. More registers
2-speed fan
- A 50-year-old, forced-air heating system has been retrofitted with an evaporator coil as part of a split-system air conditioner. The ducts are original steel with 4” branch ducts insulated with asbestos paper. Which of the following is true?
a. The fan should not be altered to a 2-speed system or it may exceed duct capacity
b. The ducts should have more insulation installed to prevent condensation
c. The duct system may be prone to rusting and probably undersized for air conditioning loads.
d. The ducts should be supplied with dampers to seasonally balance the loads.
The duct system may be prone to rusting and probably undersized for air conditioning loads.
- A gas appliance vents through a 5/12 pitched roof requires a minimum clearance of:
a. 1 foot
b. 2 feet
c. 3 feet
d. 4 feet
1 foot
- What is the proper clearance above a stovetop for a cabinet?
a. 28”
b. 30”
c. 32”
d. 36”
30”
- Garage door requirement for garages built before 1978:
a. Must have a reverse on operator
b. Needs safety wire through spring coil
c. Must have a child safety switch
d. Must have switch out of range of child
Needs safety wire through spring coil
- The proper pressure of a hydronic heating system:
a. 12-15
b. 2-5
c. 15-20
d. Over 20
12-15
- Where is the circulating pump for a hydronic heating system normally located?
a. Supply side
b. Return side
c. Middle
d. Don’t have one
Return side
- What is a characteristic of knob and tube wiring?
a. No ground
b. Newer wires
c. Run through conduit
d. Is a safety hazard
No ground
- Siding with insulation board underneath, covers the service entry wire on a house. You report:
a. Say nothing
b. Say ok because insulated board protects it
c. Cannot be covered by the siding
d. Tell customer not to buy the house
Cannot be covered by the siding
- What is not a cause of horizontal cracking in a foundation wall:
a. Expansive soil
b. Freezing ground
c. Weight overload on top plate
d. Wet basement floor
Wet basement floor
- What is not a source or sign of a wet basement:
a. Missing downspout
b. Negative grade
c. Rusting support post
d. Crack in floors
Crack in floors
- What would you not list as a safety hazard upon examining a chimney:
a. No damper
b. Opening between brick and profile of flue
c. Creosote and soot build-up
d. Cracked flue
No damper
- A fireplace with an opening less than 6’ needs to have the hearth extend ” to front and ” to side:
a. 16” / 4”
b. 20” / 8”
c. 16” / 16”
d. 16” / 8”
16” / 8”
- How would you report excessive granule loss and curling of a 5-year old asphalt shingle?
a. Material defect
b. Not usual
c. Stored improperly
d. Needs more venting
Material defect