INTERNACHI EXAM QUESTIONS WITH
CORRECT ANSWERS
1. _________ on the suction line of an air conditioner indicates a problem.
· Dryness
· Condensation
· Frost or ice - Answers -Condensation
2. While inspecting an air conditioner, the liquid line (smaller tube) should feel ______ to
the touch.
· cool
· warm - Answers -cool
3. Cooling capacity is typically measured in ________.
· cubic centimeters
· pounds
· ounces
· tons - Answers -tons
4. While inspecting an air conditioner, the suction line (larger tube) should feel ______
to the touch.
· warm
· cool - Answers -warm
5. Air conditioning should not be tested if the outside temperature is ___________.
· above 81° F
· between 66° and 80° F
· below 65° F
· measured in Fahrenheit - Answers -below 65° F
6. If a condensing unit is out of level or wobbles, look for __________.
· stress on the foundation
· gyroscopic differential
· stress on the refrigerant lines
· stress on the condenser slab - Answers -stress on the condenser slab
7. In many regions, an air conditioner's exterior electrical disconnect is required in sight
of the
___________.
,· electrical service entrance
· grounding rod
· electric panel
· condensing unit - Answers -condensing unit
213. A chimney top should be at least ________.
· 10 feet above the roof and 3 feet above anything within 2 feet
· 2 feet above the roof and 10 feet higher than anything within 3 feet
· 3 feet above the roof and 2 feet higher than anything within 10 feet
· 3 feet above the roof and 10 feet higher than anything within 2 feet - Answers -3 feet
above the roof and 2 feet higher than anything within 10 feet
214. What type of window does not offer easy egress?
· slider
· double-hung
· hopper
· casement - Answers -hopper
215. T/F: A home inspector is required to check all cycles of a dishwasher.
· True
· False - Answers -False
216. An air chamber is typically located in a(n) ______________.
· vent stack
· chimney flue
· supply line above a faucet or valve
· air conditioner - Answers -supply line above a faucet or valve
217. If you can inspect only part of a crawlspace because of stored items, what should
you do?
· move all the stored items first
· report that the crawlspace was inspected
· complain to the seller
· report that the crawlspace was only partially inspected due to limited access - Answers
-report that the crawlspace was only partially inspected due to limited access
218. The ________ does not have to be inspected on a fireplace.
· damper operation
· draft strength
· hearth
· firebrick - Answers -draft strength
219. Which of the following is likely to be a non-load-bearing wall?
· a wall that has a girder resting on it
· an exterior wall
,· a wall that runs perpendicular to the ceiling joists
· a wall that runs parallel to the ceiling joists - Answers -a wall that runs parallel to the
ceiling joists
8. T/F: On an air conditioner, a loose or misaligned fan belt can reduce the amount of
air flowing past the evaporator coil and decrease the system's performance.
· False
· True - Answers -True
9. When testing cold-air returns, turn the furnace or air conditioner on and hold a tissue
next to the cold air return. There should be ___________.
· no movement of the tissue, even though the blower is on
· enough suction to pull the tissue toward the return
· enough pressure to blow the tissue away - Answers -enough pressure to blow the
tissue away
10. The best location for a thermostat is ____________.
· above a heat register
· in direct sunlight
· the wall in the dining room
· near the main exterior door - Answers -near the main exterior door
11. The hot wire in a typical 120-volt circuit is _________.
· green
· white
· bare copper
· black - Answers -black
12. The neutral wire in a typical 120-volt circuit is ________.
· bare copper
· black
· white
· green - Answers -white
13. Fuses do not provide protection against __________.
· overloading
· short circuits
· lightning surges
· large ground faults - Answers -lightning surges
14. The minimum height above a driveway for an electrical service drop is __________.
· trick question; electrical service lines may not run above driveways
· 12 feet
· 14 feet
· 18 feet - Answers -12 feet
, 15. The primary purpose of an electrical service drip loop is to prevent water from
___________.
· entering the double loop
· getting into the service mast
· causing a short to the grounding rod
· entering the plumbing system - Answers -getting into the service mast
16. The following are all potential points for water intrusion into the electrical service
entrance mast, except the ________.
· roof flashing around the mast
· GFCI electrical outlet plate cover
· open service mast cap
· meter base - Answers -GFCI electrical outlet plate cover
17. The electrical panel rating should be no smaller than _________.
· 400 amps
· the main breaker
· two times the smallest breaker - Answers -the main breaker
18. How much clearance should be provided in front of an electrical service panel?
· the length of a screwdriver
· 1 foot
· 3 feet
· 6 feet - Answers -3 feet
19. In a home with central heating, a room with an air supply but no return can
experience problems from ______ if there is inadequate space beneath the door.
· moisture
· pressurization
· depressurization
· overheating - Answers -depressurization
20. Exterior electrical service wires should be at least 3 feet away from .
· both the bottom and front of all unopenable/inoperable windows
· all windows
· the bottom, sides and front of openable/operable windows
· the bottom, sides, top and front of all openable/operable windows - Answers -the
bottom, sides, top and front of all openable/operable windows
21. Electrical service entrance conduits should be secured to the exterior of the home
_________.
· using joist hangers
· every 5 to 6 feet
· with electrical tape
· every 5 to 6 inches - Answers -using joist hangers
CORRECT ANSWERS
1. _________ on the suction line of an air conditioner indicates a problem.
· Dryness
· Condensation
· Frost or ice - Answers -Condensation
2. While inspecting an air conditioner, the liquid line (smaller tube) should feel ______ to
the touch.
· cool
· warm - Answers -cool
3. Cooling capacity is typically measured in ________.
· cubic centimeters
· pounds
· ounces
· tons - Answers -tons
4. While inspecting an air conditioner, the suction line (larger tube) should feel ______
to the touch.
· warm
· cool - Answers -warm
5. Air conditioning should not be tested if the outside temperature is ___________.
· above 81° F
· between 66° and 80° F
· below 65° F
· measured in Fahrenheit - Answers -below 65° F
6. If a condensing unit is out of level or wobbles, look for __________.
· stress on the foundation
· gyroscopic differential
· stress on the refrigerant lines
· stress on the condenser slab - Answers -stress on the condenser slab
7. In many regions, an air conditioner's exterior electrical disconnect is required in sight
of the
___________.
,· electrical service entrance
· grounding rod
· electric panel
· condensing unit - Answers -condensing unit
213. A chimney top should be at least ________.
· 10 feet above the roof and 3 feet above anything within 2 feet
· 2 feet above the roof and 10 feet higher than anything within 3 feet
· 3 feet above the roof and 2 feet higher than anything within 10 feet
· 3 feet above the roof and 10 feet higher than anything within 2 feet - Answers -3 feet
above the roof and 2 feet higher than anything within 10 feet
214. What type of window does not offer easy egress?
· slider
· double-hung
· hopper
· casement - Answers -hopper
215. T/F: A home inspector is required to check all cycles of a dishwasher.
· True
· False - Answers -False
216. An air chamber is typically located in a(n) ______________.
· vent stack
· chimney flue
· supply line above a faucet or valve
· air conditioner - Answers -supply line above a faucet or valve
217. If you can inspect only part of a crawlspace because of stored items, what should
you do?
· move all the stored items first
· report that the crawlspace was inspected
· complain to the seller
· report that the crawlspace was only partially inspected due to limited access - Answers
-report that the crawlspace was only partially inspected due to limited access
218. The ________ does not have to be inspected on a fireplace.
· damper operation
· draft strength
· hearth
· firebrick - Answers -draft strength
219. Which of the following is likely to be a non-load-bearing wall?
· a wall that has a girder resting on it
· an exterior wall
,· a wall that runs perpendicular to the ceiling joists
· a wall that runs parallel to the ceiling joists - Answers -a wall that runs parallel to the
ceiling joists
8. T/F: On an air conditioner, a loose or misaligned fan belt can reduce the amount of
air flowing past the evaporator coil and decrease the system's performance.
· False
· True - Answers -True
9. When testing cold-air returns, turn the furnace or air conditioner on and hold a tissue
next to the cold air return. There should be ___________.
· no movement of the tissue, even though the blower is on
· enough suction to pull the tissue toward the return
· enough pressure to blow the tissue away - Answers -enough pressure to blow the
tissue away
10. The best location for a thermostat is ____________.
· above a heat register
· in direct sunlight
· the wall in the dining room
· near the main exterior door - Answers -near the main exterior door
11. The hot wire in a typical 120-volt circuit is _________.
· green
· white
· bare copper
· black - Answers -black
12. The neutral wire in a typical 120-volt circuit is ________.
· bare copper
· black
· white
· green - Answers -white
13. Fuses do not provide protection against __________.
· overloading
· short circuits
· lightning surges
· large ground faults - Answers -lightning surges
14. The minimum height above a driveway for an electrical service drop is __________.
· trick question; electrical service lines may not run above driveways
· 12 feet
· 14 feet
· 18 feet - Answers -12 feet
, 15. The primary purpose of an electrical service drip loop is to prevent water from
___________.
· entering the double loop
· getting into the service mast
· causing a short to the grounding rod
· entering the plumbing system - Answers -getting into the service mast
16. The following are all potential points for water intrusion into the electrical service
entrance mast, except the ________.
· roof flashing around the mast
· GFCI electrical outlet plate cover
· open service mast cap
· meter base - Answers -GFCI electrical outlet plate cover
17. The electrical panel rating should be no smaller than _________.
· 400 amps
· the main breaker
· two times the smallest breaker - Answers -the main breaker
18. How much clearance should be provided in front of an electrical service panel?
· the length of a screwdriver
· 1 foot
· 3 feet
· 6 feet - Answers -3 feet
19. In a home with central heating, a room with an air supply but no return can
experience problems from ______ if there is inadequate space beneath the door.
· moisture
· pressurization
· depressurization
· overheating - Answers -depressurization
20. Exterior electrical service wires should be at least 3 feet away from .
· both the bottom and front of all unopenable/inoperable windows
· all windows
· the bottom, sides and front of openable/operable windows
· the bottom, sides, top and front of all openable/operable windows - Answers -the
bottom, sides, top and front of all openable/operable windows
21. Electrical service entrance conduits should be secured to the exterior of the home
_________.
· using joist hangers
· every 5 to 6 feet
· with electrical tape
· every 5 to 6 inches - Answers -using joist hangers
