NACHI TEST QUESTIONS AND
ANSWERS
A hole may be bored no closer than _____ from the top or bottom of a joist. - Correct
Answers -2 inches
A heater thermostat located in the kitchen will tend to keep the rest of the house
_______ than is desirable. - Correct Answers -Cooler
A home inspector can use a microwave leak-detector to check - Correct Answers -
microwave ovens
A home inspector's liability is ... - Correct Answers -greater if the client's expectations
are not realistic
A home's main fuses or breakers are most likely to trip _____________. - Correct
Answers -when many large appliances are operating simultaneously
A hopper is a common type of - Correct Answers -Window
A horizontal fire block is required around a metal chimney pipe at ___________ lines. -
Correct Answers -floor and ceiling
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 - Correct Answers -Not be an adequate
water supply
A joist below and parallel to a bearing wall should be - Correct Answers -doubled
A jumper wire should be used to bridge the electrical ground across a ? - Correct
Answers -water meter
Each of the following describes a type of metal roof seam, except the _ - Correct
Answers -overlapping seam.
Edison-type plug fuses having a 30-amp capacity should be replaced with - Correct
Answers -S-type fuses
,EIFS stands for? - Correct Answers -exterior insulation and finish system
Electrical outlets should not be flush-mounted on - Correct Answers -horizontal
surfaces.
Electrical receptacles should be located within - Correct Answers -12 feet of each other.
Electrical resistance - Correct Answers -ecreases with increasing wire diameter
Electrical wire sheathing should not project more than 1 inch into the - Correct Answers
-electrical panel
Electrical wiring should be installed at least ____ inch(es) away from ducts and pipes. -
Correct Answers -1 inch
EPDM is a kind of - Correct Answers -rubber
A kitchen split-receptacle is a ? - Correct Answers -duplex receptacle whose top and
bottom halves are on individual dedicated circuits
A lintel can be found - Correct Answers -in a wall
A missing or undersized lintel can put pressure on the ___________. - Correct Answers
-windows
A loose vent connection at the chimney can ______________. - Correct Answers -allow
exhaust gases to enter the home
A louver window is more desirable in a ________ climate. - Correct Answers -warm
A low slope can lead to problems with all of the following types of roof-covering
materials, except ___________. - Correct Answers -roll roofing
A load-bearing stud wall has a ____________. - Correct Answers -double top plate and
a single sole plate
A non-bearing partition stud can be _____ notched - Correct Answers -40%
A non-metallic sheathed conductor without a bushing at the electrical sub-panel should
be secured at _______ above the panel. - Correct Answers -8 inches
A parapet wall is - Correct Answers -a wall that protrudes above the roofline
A pediment can be found - Correct Answers -at the top of a window
, A pitch pocket would most likely be used in or with a - Correct Answers -plumbing stack
A plumbing drain line should run downhill at a slope of - Correct Answers -1/4-inch per
foot
A plumbing inspection does not include the - Correct Answers -lawn sprinkler systems
A pressure/temperature-relief valve on a hot water tank should have an extension to -
Correct Answers -the floor
A problem with homemade leaf screens or guards is that they sometimes - Correct
Answers -fall into the gutters, leading to faster clogging of the guttering system than if it
had no screens at all
A property's grading should be maintained up to ____ feet away from the house. -
Correct Answers -6
A puddle on a flat roof that is 20 x 20 feet in area and an inch deep weighs - Correct
Answers -1 ton
A pump just before the water return at a boiler is an indication that it is a... - Correct
Answers -forced hot-water system
A radiant-heat systems uses _________ to radiate heat. - Correct Answers -pipes and
panels and/or entire walls, floors and/or the ceiling
Channel and drop" is a type of ? - Correct Answers -wood siding
Which of the following soils can support the least load-bearing pressure? - Correct
Answers -Silt with high compressibility
In general, the grading around a building should be positively sloped for how many feet
away from the building? - Correct Answers -10 feet
Flashing is not required at which of the following locations? - Correct Answers -Above
projecting masonry
Under which of the following conditions is a two-coat stucco system acceptable on the
exterior of a building? - Correct Answers -If the system is installed over masonry or
concrete
Which of the following locations is the worst place to cut a hole in an I-joist? - Correct
Answers -In the flange
Why must building footings extend below the frost line? - Correct Answers -So that the
soil around the footing does not freeze, expand, and cause the footing to
ANSWERS
A hole may be bored no closer than _____ from the top or bottom of a joist. - Correct
Answers -2 inches
A heater thermostat located in the kitchen will tend to keep the rest of the house
_______ than is desirable. - Correct Answers -Cooler
A home inspector can use a microwave leak-detector to check - Correct Answers -
microwave ovens
A home inspector's liability is ... - Correct Answers -greater if the client's expectations
are not realistic
A home's main fuses or breakers are most likely to trip _____________. - Correct
Answers -when many large appliances are operating simultaneously
A hopper is a common type of - Correct Answers -Window
A horizontal fire block is required around a metal chimney pipe at ___________ lines. -
Correct Answers -floor and ceiling
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 - Correct Answers -Not be an adequate
water supply
A joist below and parallel to a bearing wall should be - Correct Answers -doubled
A jumper wire should be used to bridge the electrical ground across a ? - Correct
Answers -water meter
Each of the following describes a type of metal roof seam, except the _ - Correct
Answers -overlapping seam.
Edison-type plug fuses having a 30-amp capacity should be replaced with - Correct
Answers -S-type fuses
,EIFS stands for? - Correct Answers -exterior insulation and finish system
Electrical outlets should not be flush-mounted on - Correct Answers -horizontal
surfaces.
Electrical receptacles should be located within - Correct Answers -12 feet of each other.
Electrical resistance - Correct Answers -ecreases with increasing wire diameter
Electrical wire sheathing should not project more than 1 inch into the - Correct Answers
-electrical panel
Electrical wiring should be installed at least ____ inch(es) away from ducts and pipes. -
Correct Answers -1 inch
EPDM is a kind of - Correct Answers -rubber
A kitchen split-receptacle is a ? - Correct Answers -duplex receptacle whose top and
bottom halves are on individual dedicated circuits
A lintel can be found - Correct Answers -in a wall
A missing or undersized lintel can put pressure on the ___________. - Correct Answers
-windows
A loose vent connection at the chimney can ______________. - Correct Answers -allow
exhaust gases to enter the home
A louver window is more desirable in a ________ climate. - Correct Answers -warm
A low slope can lead to problems with all of the following types of roof-covering
materials, except ___________. - Correct Answers -roll roofing
A load-bearing stud wall has a ____________. - Correct Answers -double top plate and
a single sole plate
A non-bearing partition stud can be _____ notched - Correct Answers -40%
A non-metallic sheathed conductor without a bushing at the electrical sub-panel should
be secured at _______ above the panel. - Correct Answers -8 inches
A parapet wall is - Correct Answers -a wall that protrudes above the roofline
A pediment can be found - Correct Answers -at the top of a window
, A pitch pocket would most likely be used in or with a - Correct Answers -plumbing stack
A plumbing drain line should run downhill at a slope of - Correct Answers -1/4-inch per
foot
A plumbing inspection does not include the - Correct Answers -lawn sprinkler systems
A pressure/temperature-relief valve on a hot water tank should have an extension to -
Correct Answers -the floor
A problem with homemade leaf screens or guards is that they sometimes - Correct
Answers -fall into the gutters, leading to faster clogging of the guttering system than if it
had no screens at all
A property's grading should be maintained up to ____ feet away from the house. -
Correct Answers -6
A puddle on a flat roof that is 20 x 20 feet in area and an inch deep weighs - Correct
Answers -1 ton
A pump just before the water return at a boiler is an indication that it is a... - Correct
Answers -forced hot-water system
A radiant-heat systems uses _________ to radiate heat. - Correct Answers -pipes and
panels and/or entire walls, floors and/or the ceiling
Channel and drop" is a type of ? - Correct Answers -wood siding
Which of the following soils can support the least load-bearing pressure? - Correct
Answers -Silt with high compressibility
In general, the grading around a building should be positively sloped for how many feet
away from the building? - Correct Answers -10 feet
Flashing is not required at which of the following locations? - Correct Answers -Above
projecting masonry
Under which of the following conditions is a two-coat stucco system acceptable on the
exterior of a building? - Correct Answers -If the system is installed over masonry or
concrete
Which of the following locations is the worst place to cut a hole in an I-joist? - Correct
Answers -In the flange
Why must building footings extend below the frost line? - Correct Answers -So that the
soil around the footing does not freeze, expand, and cause the footing to
