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Home Inspection > Questions > Flashcards

Questions Flashcards

1
Q

Potential problems with the roof sheathing is

A

3/8 inch plywood used
Ends touching each other
Plywood placed parallel to rafters

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2
Q

Wood shakes are most likely to wear and expose felt paper at

A

Key way

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3
Q

How far off the floor does a furnace source of ignition have to be in the garage?

A

18 inches

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4
Q

A flat roof is used as an observation deck. The plumbing vents must extend

A

7 feet

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5
Q

An inspector is required to inspect how many windows?

A

One window in each room

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6
Q

A 12 foot long 2 x 8 has a notch. Where were the knocks not be OK?

A

In the middle

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7
Q

A properly constructed retaining wall should

A

Be back filled with gravel

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8
Q

A horizontal crack in the brick wall follows the gutter line. What is the cause?

A

Rafter spread

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9
Q

In EAFS construction, door and windows can be properly sealed by

A

Backer rod and sealant

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10
Q

Each zone valve for a hydronic heating system needs

A

A thermostat

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11
Q

A gas water heater is not allowed in

A

Storage closet

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12
Q

A sump pump runs continuously even though there has been no recent rainfall and the sump well is dry. What is the cause?

A

The pump float is stuck

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13
Q

How much space is needed between a double walled b vent and the chase?

A

1 inch

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14
Q

A new electrical dryer receptacle

A

May have four wires to it

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15
Q

The exterior water service piping has been converted to plastic. What is required for electrical grounding?

A

Provide another grounding means

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16
Q

The maximum number of disconnects to shut off an electrical service is?

A

Six

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17
Q

What is not an acceptable grounding Means?

A

Underground gas pipe

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18
Q

And electrical panel with a split bus bar

A

Has more than one shut off

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19
Q

What insulation was considered a safety hazard?

A

UFFI (Urea formaldehyde foam insulation)

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20
Q

Reversed polarity is

A

Possible to cause a shock hazard

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21
Q

Buckling in horizontal vinyl siding is generally caused by

A

Improper fastening

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22
Q

At what level would water pressure within a single family dwelling begin to be considered excessive and require correction?

A

80 psi

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23
Q

A newer home with electric heat is being inspected. It has a below grade finished basement containing bedroom. The inspector should look for a smoke alarm and

A

And escape and rescue opening

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24
Q

Hey swimming pool fence must prevent passage of a sphere that is larger then

A

4 inches

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25
Q

If water infiltration and suspected behind finished surface, what tool would be the best choice to verify dampness?

A

A non-contact moisture meter

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26
Q

Gas fired furnace heat exchanger’s most often fail from

A

Rust and metal fatigue

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27
Q

Relative humidity is expressed as

A

Percentage

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28
Q

Connections of dissimilar metal in a plumbing system, such as galvanized steel pipe and copper pipe, will usually cause

A

Electrolysis

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29
Q

A GFCI is a safety device that

A

Disconnect the power went sensing current leakage to ground

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30
Q

And electrical system with a fuse on the neutral conductor and on at the energized (hot) conductors

A

Is hazardous and should be corrected

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31
Q

To operate a central air conditioner, an electric clothes dryer, and an electric range, the ampacity of the service to the house hould be at least

A

100 amps at 240 volts

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32
Q

A floor joist in a crawlspace has been cut where the toilet drain passes through the floor. The joists are 2 x 6 spaced at 16 inches on center. The inspector should recommend that

A

A contractor be contacted to determine what is needed and make repairs

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33
Q

Most problems with concrete are caused at the time of installation. What single factor causes the most problems?

A

Too much water is added to the mix

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34
Q

Brick chimneys on older properties with oil heat sometimes curve above the roofline, with no visible cracks. What is a possible cause of this curving?

A

Expansion of mortar

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35
Q

What has little effect on the deflection of a dimension lumber floor system?

A

Joist width

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36
Q

The normal maximum rise of residential stair treads is

A

Seven 3/4 inches

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37
Q

In unground receptacle may be replaced by a GFCI installed

A

Upstream from the receptacle

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38
Q

Circuit breakers

A

Protect the wire from an electrical overload

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39
Q

In a forced air heating system containing a split system air conditioner and a humidifier, humidity is produced by

A

Condensation at the evaporator coil

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40
Q

A home inspection report must include

A

The type of roof material and the method of observation

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41
Q

Water hammer can occur as a result of

A

A lack of air chambers

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42
Q

If a system designed for use with natural gas is supplied with propane gas

A

The flame will be too high unless a smaller orifice is installed

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43
Q

Low pressure boiler pipes do not carry steam pressure above

A

15 psi

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44
Q

When an asphalt shingle roof is installed over existing shingles, leakage commonly occurs at the

A

Penetrations

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45
Q

Roof trusses

A

Are usually designed for two point bearing

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46
Q

On a hillside house with the foundation drain systems

A

The foundation drain system collects water passing laterally through the slope

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47
Q

A sub panel in an older house that is wired with non-metallic sheathed cable has one circuit with a ground wire. The ground wire

A

Should be connected to a separate grounded bus bar

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48
Q

Inspecting a very old country house, a gurgling sound is heard from the tub drain when the toilet is flushed. What is a common likely explanation for the sound?

A

Water discharging from the toilet is pulling water from the tub trap

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49
Q

You are inspecting an older home which has replacement windows and new vinyl siding. The new siding is backed up with rigid foam insulation that covers the service entrance cable from the weatherhead to the meter. You should report this as

A

An improper installation that should be corrected

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50
Q

When looking at the exterior wall of a sixty-year-old brick masonry house with a gable roof, you notice a horizontal crack in the mortar and outword brick displacement along with the gutter edge of the roof. The displacement is greatest at the center of the top three courses of brick. This condition is most likely caused by

A

Improper ceiling joist installation

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51
Q

You inspect a wood framed cantilevered balcony off a second story bedroom. you find significant wood deterioration of all cantilever joists at the bearing point of the house. You should

A

Notify all occupants of the significant hazard, advise immediate repair to both of the occupant and client in the report

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52
Q

When a cooling unit is located in an attic where damage may result from condensate overflow

A

An auxiliary condensate drain system is required

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53
Q

Asphalt shingles are not allowed to be installed on roofs with slopes less than

A

Two in 12

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54
Q

If a poured concrete foundation has an in usually large number of vertical cracks, each no wider than 1/32 inch., the cause is likely to be

A

Shrinkage of the concrete from excess water at the time of pouring

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55
Q

Where should squash blocks “web blocking” be installed in I – joist installations?

A

At bearing ends and loadbearing walls above with Support girders below

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56
Q

Columns typically support

A

Girders

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57
Q

Oriented strand board “OSB” is used most frequently in

A

Roof, floor, and exterior wall sheathing

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58
Q

When inspecting the structural system, the inspector is required to

A

Report all structural deficiencies observed

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59
Q

A ground fault occurs when

A

A hot conductor touches a grounded surface or grounding conductor

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60
Q

Electrical receptacles in bathrooms should be

A

GFCI protected

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61
Q

Medium efficiency furnaces have a draft inducer fan and are connected directly to the vent system instead of having a draft hood. There are white and yellowish deposits below the draft inducer fan. A possible explanation for these deposits is that

A

Moisture is condensing in the vent and running back into the draft inducer fan

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62
Q

The purpose of a trap in the waste drainage system is two

A

Block sewer gases

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63
Q

A home inspection typically includes an examination of

A

Vents, flues and chimneys

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64
Q

In new construction, the minimum overhead electrical service clearances are

A

Walkway – 10 feet
Roadway – 18 feet
Deck – 10 feet

65
Q

During a summertime inspection, what could indicate chronic condensation problems in an attic?

A

There are gray/black stains on the north side of the roof sheathing.

66
Q

Ice damming at the eaves may be caused by

A

Inadequate attic insulation

67
Q

The purpose of flashing on the roof is too

A

Shed water on to the roofing materials

68
Q

The house you are inspecting currently has a gas-fired furnace or boiler. What clue does not indicate that the house also has an abandoned very few oil storage tank?

A

The brick chimney serving the furnace or boiler has deteriorated mortar joints at the bottom

69
Q

While inspecting a heat pump in the cooling mode, you measure a 28° temperature differential between the interior supply and the return air. You should suspect

A

A dirty filter

70
Q

What is the minimum electrical service drop Clarence from a residential driveway?

A

12 feet

71
Q

The reason a dielectric union would be used in plumbing distribution pipes is to

A

Separate two dissimilar metals to prevent corrosion

72
Q

A basin makes a gurgling sound at the end of draining the fixture. This may be due to

A

Inadequate venting

73
Q

Condensation between glass layers of thermal pane windows indicates the need to

A

Replace glazing, sash, or window

74
Q

Dielectric unions

A

Prevent galvanic action

75
Q

The minimum clearance between a woodstove single wall vent connector and combustible materials should be

A

18 inches

76
Q

Garage door opener electronic sensors are properly installed when facing each other

A

4 to 6 inches above the garage floor

77
Q

Capillary tubes are part of the

A

Evaporator coil

78
Q

As a lintel over doors and windows in a masonry wall rusts may cause

A

Cracks at the tops of openings

79
Q

Roof truss uplift can cause cracks to form where?

A

At interior wall/ceiling intersections

80
Q

Knob and tube wiring it may be acceptable if

A

Not covered by insulation

81
Q

When measuring the temperature drop across the evaporator in a central air conditioning system, a properly running unit on a humid summer day should read between

A

15°F and 25°F

82
Q

The maximum acceptable variation in riser heights within a flight of stairs is

A

3/8 of an inch

83
Q

While conducting an inspection your ladder falls over and brakes at the homeowners priceless vase. What type of insurance is needed to cover the replacement?

A

General liability

84
Q

What is the minimum allowable separation between a masonry chimney and combustible materials?

A

2 inches

85
Q

Bonding of appliances can be confirmed by using an

A

Ohm Meter

86
Q

The service panel and close your door is required to open at least

A

90 degrees

87
Q

The device used to detect if the electrical current to the electric heater coil is called

A

An ammeter

88
Q

Is the inspector required to operate shut off valves?

A

No

89
Q

Potable water systems connected to lawn irrigation systems need to be protected from

A

Backsiphonage

90
Q

Most modern kitchen ranges are required to have

A

An anti-tip device

91
Q

A home inspector should probe

A

Where decay is suspected

92
Q

Overhead electrical service should be a minimum of how many feet above a flat roof subject to foot traffic

A

10 feet

93
Q

One of the purposes of a home inspection contract is to define the responsibilities and limitations for

A

The client

94
Q

What is a required elements of a contract?

A

Consideration

95
Q

Home inspection agreements should

A

Establish the limitations of the inspection

96
Q

Stringer, tread, and riser are all components of a

A

Stair system

97
Q

The purpose of the contract is to protect the

A

Home inspector and the client

98
Q

Conducting a complete and thorough home inspection minimizes the need for

A

Errors and omissions insurance

99
Q

What is the most common contributing factor to masonry retaining wall movement?

A

Hydrostatic pressure

100
Q

How are the holes in rigid foundation drain pipes aligned?

A

On the bottom half of the pipe

101
Q

What is the primary purpose of control joints placed in concrete driveways?

A

To reduce random cracking

102
Q

Where might you expect to find a window with safety glass?

A

Less than 18 inches above the floor

103
Q

What is a common cause of buckled hardwood flooring in an existing house?

A

Excessive moisture

104
Q

A newly built ventilated crawlspace with a vapor retarder is required to have one square foot of net ventilation opening per

A

1500 Square feet of crawl space

105
Q

A standard claims made errors and omissions insurance policy includes claims filed

A

During the time of the policy is in effect

106
Q

Some inspectors measure the electricity used by a condenser. The numerals on the readout show

A

Amps

107
Q

The testing of garage doors with a wood block

A

Is the approved testing method

108
Q

While inspecting it home you see a dryer exhaust termination near a gas fired water heater vent termination. The home inspector should recommend that

A

The gas vent is improperly terminated and should be relocated

109
Q

When I heat pump is operating and cooling mode if the temperature of the liquid line should be a few degrees

A

Warmer than the outside temperature

110
Q

Another name for the HVAC suction line is

A

The return line

111
Q

The effect of high humidity on an air-conditioning system will be

A

An increase in the latent load

112
Q

Which is most likely to cause the greatest reduction of airflow in a flexible air duct

A

A 90° bend in the duct

113
Q

What is the most likely result of insufficient airflow across the evaporator coil?

A

Ice forming on the evaporator

114
Q

A standard air-conditioning system can easily be converted to a heat pump by the addition of a few components. True or false

A

False

115
Q

An accumulator prevents what from entering the compressor?

A

Liquid refrigerant

116
Q

In a heat pump during the cooling cycle, which coil acts as the evaporator? In the heating cycle, which coil acts as an evaporator?

A

Indoor/outdoor

117
Q

The ——- ——— directs hot refrigerant to the indoor coil in the ——– cycle in a heat pump

A

Reversing valve – heating

118
Q

Under certain conditions, ——- Will form on the outdoor coil. This can cause a ——- in efficiency.

A

Frost – decrease

119
Q

The defrost cycle is initiated by —— and —–

A

Time and temperature

120
Q

The most common cause of insufficient airflow in an AC system is?

A

Dirty coil and dirty filter

121
Q

Ductwork should be —— enough to handle the volume of air needed for correct AC operation

A

Large

122
Q

In heavy snowfall areas, it is good practice to mount the heat pumps outdoor unit on an ———— to prevent snow from blocking the coil

A

Elevated platform

123
Q

Why are heat pumps labeled not to be operated unless power is on for a minimum of 12 hours?

A

Oil in compressor needs to be heated to remove liquid refrigerant

124
Q

A non-technically exhaustive way to evaluate the heat exchanger?

A

Check flame pattern when blower comes on

125
Q

What may need to be installed on a cooling unit located in an attic where damage may result from condensate overflow

A

A pan with a drain or float switch beneath the evaporator

126
Q

True or false. A furnace can be located in the laundry room?

A

True

127
Q

Converting a heating system fan to cooling type fan requires?

A

A two – speed or variable speed fan

128
Q

If a furnace has a pilot with a thermocouple, what device for most likely prevent the furnace from firing if it fails?

A

Thermocouple

129
Q

And induced draft fan pulls air in what direction?

A

Pulls through the furnace

130
Q

Plastic “polyethylene” piping can be used for gas?

A

True

131
Q

What is the purpose of a drip leg on a gas line?

A

Traps sediment and metal chips and water

132
Q

What does an AC compressor do?

A

Pressurizes the refrigerant gas in order to raise its temperature

133
Q

Which part of the AC cycle removes heat from the refrigerant

A

When it goes through the condenser

134
Q

A heat pump system is primarily sized for the?

A

Cooling load

135
Q

The variation in temperature between at the supply air and the return air in an AC system should be approximately?

A

14–22°

136
Q

Oil tank – pipes from tank to burners

A

Must be protected from drainage

137
Q

What was added to furnaces in 1980 to increase their efficiency?

A

2 heat exchangers

138
Q

And inspector enters a vacant home to inspect it and notices a strong smell of gas. What should he do?

A

Vacate the home and call all the appropriate people

139
Q

What material is not a proper flashing material?

A

Tar paper

140
Q

The exhaust vent of a gas dryer

A

Must be vented to the outside

141
Q

How many nails are required for a self sealing three – tab shingle on a 5/12 pitch roof?

A

Four nails

142
Q

A deck built 14 inches off the ground around a home

A

Requires no railings

143
Q

In an electrical sub panel, the neutral wire must be

A

Both separated from the ground and isolated

144
Q

Trusses

A

Have two bearing points

145
Q

You see a return air register on the side of a furnace

A

Can cause fluegases to be drawn into supply air

146
Q

Mid efficiency furnace

A

No draft diverter required

147
Q

What is the proper exposure for a 24 inch shake shingle?

A

10 inches

148
Q

Safety glazing is not required in

A

Side lights

149
Q

Stucco hairline cracks appear every 16 inches. The cause can be attributed to

A

Nailing drywall in inside

150
Q

On a tile roof what is the proper way to flash the chimney?

A

Counter and pan flashing

151
Q

You are inspecting a house built in 1950 and see a silver wire to a branch circuit. This would be

A

Tin coated copper

152
Q

You find a spliced ground wire in a basement. You

A

Aren’t allowed to splice

153
Q

Moisture accumulates in a poorly vented attic because

A

Warm air rises and condenses in the attic

154
Q

What is the proper exposure for an 18 inch wood shake shingles?

A

7 1/2 inches

155
Q

You view a type “B” vent in the attic. Insulation is falling in the open Chase. What do you report?

A

What you see; recommend a fire stop be installed; and recommend the removal of insulation from the Chase

156
Q

What determines the size of the flu?

A

The fireplace opening

157
Q

A metal chimney cap function does not include

A

Reducing draw out of the exhaust gas

158
Q

Cross bridges on floor joists

A

Keep joists from twisting

Home Inspection (1 decks)

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