Professional Home Inspector Exam NHIE /
TREC Questions and Answers
Question 1
You have a fireplace that has two top registers and two bottom registers.
Correct Answer
Answer: This is
a Heatilator®
Question 2
A #14 wire is not safe to be run to a 30 amp breaker?
a. True
b. False
Correct Answer
a. True
Question 3
When testing a GFCI receptacle that is not grounded, how will the receptacle respond:
a. Will trip with tester
b. Will trip at receptacle, but not by the tester
c. Is incorrect and needs to be grounded
d. Will trip at receptacle and with tester
Correct Answer
b. Will trip at receptacle, but not by the tester
Page 1 of 167
,Question 4
What is the purpose of the neutral wire:
a. It completes the circuit
b. It acts as the equipment ground
c. It is just another wire
d. It is can be white or green
Correct Answer
a. It completes the circuit
Question 5
Which of the following does not require a dedicated circuit:
a. Kitchen counter
b. Bathroom
c. Dining room
d. Central heating
Correct Answer
c. Dining room
Question 6
Heat pump - A loss of refrigerant will:
a. Frost up lines on cooling mode
b. Over-heat on heating mode
c. Be of no consequence
d. A & B above
Correct Answer
d. A & B above
Question 7
Mid-efficiency furnace:
a. No draft diverter required
b. Needs spark ignition
c. Has pilot light only
d. Has 2 heat exchangers.
Correct Answer
a. No draft diverter required
Page 2 of 167
,Question 8
In a heat pump heating cycle, the evaporator is:
a. Outside
b. Inside
c. Either of the above
d. None of the above
Correct Answer
a. Outside
Question 9
What does an A/C compressor do?
a. Pressurizes the refrigerant gas in order to raise its temperature
b. Lowers temperature of gas
c. Releases heat from the compressor to outside
d. Raises temperature of the liquid
Correct Answer
a. Pressurizes the refrigerant gas in order to raise its temperature
Question 10
What terms go together:
a. Purlin, strut, rafter
b. Sheathing, decking, floor joist, ceiling joist
c. Studs, wallboard, ceiling joist
Correct Answer
a. Purlin, strut, rafter
Question 11
Tonnage can be determined by dividing FLA by 6-7?
Correct Answer
Not any more with the new high efficiency a/c units. The math doesn't work
anymore. Try it on a 13 or 14 SEER unit.
Page 3 of 167
, Question 12
S-Trap
Correct Answer
No Longer Used
Question 13
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
Correct Answer
b. Two heat exchangers
Question 14
Evaporative (swamp) coolers are used in areas:
a. That have dry climates
b. That have damp climates
c. All areas
d. Not used for homes
Correct Answer
a. That have dry climates
Page 4 of 167
TREC Questions and Answers
Question 1
You have a fireplace that has two top registers and two bottom registers.
Correct Answer
Answer: This is
a Heatilator®
Question 2
A #14 wire is not safe to be run to a 30 amp breaker?
a. True
b. False
Correct Answer
a. True
Question 3
When testing a GFCI receptacle that is not grounded, how will the receptacle respond:
a. Will trip with tester
b. Will trip at receptacle, but not by the tester
c. Is incorrect and needs to be grounded
d. Will trip at receptacle and with tester
Correct Answer
b. Will trip at receptacle, but not by the tester
Page 1 of 167
,Question 4
What is the purpose of the neutral wire:
a. It completes the circuit
b. It acts as the equipment ground
c. It is just another wire
d. It is can be white or green
Correct Answer
a. It completes the circuit
Question 5
Which of the following does not require a dedicated circuit:
a. Kitchen counter
b. Bathroom
c. Dining room
d. Central heating
Correct Answer
c. Dining room
Question 6
Heat pump - A loss of refrigerant will:
a. Frost up lines on cooling mode
b. Over-heat on heating mode
c. Be of no consequence
d. A & B above
Correct Answer
d. A & B above
Question 7
Mid-efficiency furnace:
a. No draft diverter required
b. Needs spark ignition
c. Has pilot light only
d. Has 2 heat exchangers.
Correct Answer
a. No draft diverter required
Page 2 of 167
,Question 8
In a heat pump heating cycle, the evaporator is:
a. Outside
b. Inside
c. Either of the above
d. None of the above
Correct Answer
a. Outside
Question 9
What does an A/C compressor do?
a. Pressurizes the refrigerant gas in order to raise its temperature
b. Lowers temperature of gas
c. Releases heat from the compressor to outside
d. Raises temperature of the liquid
Correct Answer
a. Pressurizes the refrigerant gas in order to raise its temperature
Question 10
What terms go together:
a. Purlin, strut, rafter
b. Sheathing, decking, floor joist, ceiling joist
c. Studs, wallboard, ceiling joist
Correct Answer
a. Purlin, strut, rafter
Question 11
Tonnage can be determined by dividing FLA by 6-7?
Correct Answer
Not any more with the new high efficiency a/c units. The math doesn't work
anymore. Try it on a 13 or 14 SEER unit.
Page 3 of 167
, Question 12
S-Trap
Correct Answer
No Longer Used
Question 13
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
Correct Answer
b. Two heat exchangers
Question 14
Evaporative (swamp) coolers are used in areas:
a. That have dry climates
b. That have damp climates
c. All areas
d. Not used for homes
Correct Answer
a. That have dry climates
Page 4 of 167
