NATIONAL HOME INSPECTOR TEST
1. You are inspecting a residential property. You have to observe and/or testall of the readily
accessible components of each system. Determine which of the following is not considered to
be a readily accessible component of a room.: Nails or screws in the floor
2. Branch circuits must be installed in several locations in every building.Which of the
following is not one of them?: An office or bedroom
3. The International Residential Code (IRC) requires rafters to be fastened toridge boards or
gusset plates if the pitch of the roof is greater than or equal to a certain angle. What is the
angle?: 3/12
4. If you observe a component, you make a visual examination.: True
5. How large should the footing or foundation for a masonry fireplace be?: b.It should be
more than 12 inches thick and extend six inches beyond the fireplace on all sides.
6. You inspect a "representative number" of electrical outlets in a building. What does this
mean?: You select one electrical outlet to test in each room of thestructure.
7. How much glazing area should every habitable room in a residentialdwelling contain?:
8% or more of the floor area
8. A "technically exhaustive" inspection uses measurements, tests, calcula- tions and
instruments to gather information on the structure under inspection.True or false: True
9. A builder has added an additional load to a wood truss in the form of
a water heater. Under what circumstances does the IRC allow this?: This is
allowed only if the additional load has been verified as acceptable by a certifiedengineer.
10. How far from the foundation should the roof drainage system dischargewater?: >5 ft or
into a drain pipe
11. What is the minimum and maximum pressure for a water supply system ina residential
building?: 40 and 80 psi
12. A "system" carries out one or more functions in a structure and is com-posed of at least
two interacting or interdependent components.: True
13. In which of the following locations are ground-fault circuit interceptors(GFCI) required?:
a. All bathroom outlets
b. All outdoor outlets
c. All countertop outlets
14. Which of the following is not a normal operating control?: Fuse box
15. When is an unvented conditioned attic permitted?: Where there is not a vapor retarder
, applied to the floor of the attic, but there is insulation applied to theunderside of the roof deck
16. A "cross connection" is a physical connection between two electricalcircuits: False
17. Which of the following would not be a structural component of a building?-
: An interior wall that is not connected to a loft or the second story floor joists
18. What is the proper slope for a horizontal drain pipe?: Anywhere from 1/8:1to 1/2:1
19. How far above a showerhead should the waterproof material in a bathroomextend?: . e 3"
20. An on-site water quality test is generally done only on structures that areon a non-
municipal water supply. True or false: True
21. Which of the following is a component of a roof drainage system?: Down-spouts
b. Gutters
c. Splash blocks
22. Federal and state regulations both require certain warnings to be con- spicuous. As a
home inspector, you will often have to determine whether or not hazardous components are
adequately labeled. Which of the following would a reasonable person consider to be
conspicuous?: a. UNPLUG POWERBEFORE TOUCHING CIRCUIT (with graphic warning
symbols)
b. UNPLUG POWER BEFORE TOUCHING CIRCUIT (without graphic warning
23. The International Residential Code requires cleanouts for drain pipes to beestablished at
intervals throughout the drain system. What is the maximum allowable distance between
cleanouts?: 100 feet horizontally
24. A drain with a "functional flow" empties in a reasonable amount of time.: -
False
25. A gas furnace is being installed in a brand new building. What is the mostlikely reason
that an outdoor air source would be required?: The building hasunusually tight construction
26. What is the purpose of an expansion tank in a hot water system?: It allowsthe water to
expand as it warms without increasing the pressure in the system
27. Which of the following is not a code requirement for electric clothes dryer exhaust
ducts?: The diameter of the duct must be per the manufacturer'srequirements but not less than
6"
28. The utility bills for heating and cooling a home are much higher than expected. Which of
the following choices is probably not a reason for thisincreased cost?: The fresh air intake for
the HVAC system is incorrectly sized
29. Which of the following would be most likely to have the highest R-value?-
: 6" fiberglass batt insulation
1. You are inspecting a residential property. You have to observe and/or testall of the readily
accessible components of each system. Determine which of the following is not considered to
be a readily accessible component of a room.: Nails or screws in the floor
2. Branch circuits must be installed in several locations in every building.Which of the
following is not one of them?: An office or bedroom
3. The International Residential Code (IRC) requires rafters to be fastened toridge boards or
gusset plates if the pitch of the roof is greater than or equal to a certain angle. What is the
angle?: 3/12
4. If you observe a component, you make a visual examination.: True
5. How large should the footing or foundation for a masonry fireplace be?: b.It should be
more than 12 inches thick and extend six inches beyond the fireplace on all sides.
6. You inspect a "representative number" of electrical outlets in a building. What does this
mean?: You select one electrical outlet to test in each room of thestructure.
7. How much glazing area should every habitable room in a residentialdwelling contain?:
8% or more of the floor area
8. A "technically exhaustive" inspection uses measurements, tests, calcula- tions and
instruments to gather information on the structure under inspection.True or false: True
9. A builder has added an additional load to a wood truss in the form of
a water heater. Under what circumstances does the IRC allow this?: This is
allowed only if the additional load has been verified as acceptable by a certifiedengineer.
10. How far from the foundation should the roof drainage system dischargewater?: >5 ft or
into a drain pipe
11. What is the minimum and maximum pressure for a water supply system ina residential
building?: 40 and 80 psi
12. A "system" carries out one or more functions in a structure and is com-posed of at least
two interacting or interdependent components.: True
13. In which of the following locations are ground-fault circuit interceptors(GFCI) required?:
a. All bathroom outlets
b. All outdoor outlets
c. All countertop outlets
14. Which of the following is not a normal operating control?: Fuse box
15. When is an unvented conditioned attic permitted?: Where there is not a vapor retarder
, applied to the floor of the attic, but there is insulation applied to theunderside of the roof deck
16. A "cross connection" is a physical connection between two electricalcircuits: False
17. Which of the following would not be a structural component of a building?-
: An interior wall that is not connected to a loft or the second story floor joists
18. What is the proper slope for a horizontal drain pipe?: Anywhere from 1/8:1to 1/2:1
19. How far above a showerhead should the waterproof material in a bathroomextend?: . e 3"
20. An on-site water quality test is generally done only on structures that areon a non-
municipal water supply. True or false: True
21. Which of the following is a component of a roof drainage system?: Down-spouts
b. Gutters
c. Splash blocks
22. Federal and state regulations both require certain warnings to be con- spicuous. As a
home inspector, you will often have to determine whether or not hazardous components are
adequately labeled. Which of the following would a reasonable person consider to be
conspicuous?: a. UNPLUG POWERBEFORE TOUCHING CIRCUIT (with graphic warning
symbols)
b. UNPLUG POWER BEFORE TOUCHING CIRCUIT (without graphic warning
23. The International Residential Code requires cleanouts for drain pipes to beestablished at
intervals throughout the drain system. What is the maximum allowable distance between
cleanouts?: 100 feet horizontally
24. A drain with a "functional flow" empties in a reasonable amount of time.: -
False
25. A gas furnace is being installed in a brand new building. What is the mostlikely reason
that an outdoor air source would be required?: The building hasunusually tight construction
26. What is the purpose of an expansion tank in a hot water system?: It allowsthe water to
expand as it warms without increasing the pressure in the system
27. Which of the following is not a code requirement for electric clothes dryer exhaust
ducts?: The diameter of the duct must be per the manufacturer'srequirements but not less than
6"
28. The utility bills for heating and cooling a home are much higher than expected. Which of
the following choices is probably not a reason for thisincreased cost?: The fresh air intake for
the HVAC system is incorrectly sized
29. Which of the following would be most likely to have the highest R-value?-
: 6" fiberglass batt insulation
