2022 Gas Furnace Troubleshooting Quiz

Time limit: 0

Quiz Summary

0 of 18 Questions completed

Questions:

Information

You have already completed the quiz before. Hence you can not start it again.

Quiz is loading…

You must sign in or sign up to start the quiz.

You must first complete the following:

Results

Quiz complete. Results are being recorded.

Results

0 of 18 Questions answered correctly

Your time:

Time has elapsed

You have reached 0 of 0 point(s), (0)

Earned Point(s): 0 of 0, (0)
0 Essay(s) Pending (Possible Point(s): 0)

Categories

Not categorized 0%

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18

Current
Review
Answered
Correct
Incorrect

Question 1 of 18

1. Question
How many cubic feet of air per 1000 BTUH input is required?
- 5 cubic feet per 1000 BTU
- 25 cubic feet per 1000 BTU
- 50 cubic feet per 1000 BTU
- 75 cubic feet per 1000 BTU
Correct

Incorrect
Question 2 of 18

2. Question
When checking the gas furnace temperature difference, we should be looking for?
- 55 degrees
- Middle of the name plate range
- Low end of name plate range
- All of the above
Correct

Incorrect
Question 3 of 18

3. Question
When checking fault codes, the fast flash represents the first digit and the slow flash represents the second digit of the code?
- True
- False
Correct

Incorrect
Question 4 of 18

4. Question
Technical info can be found where?
- Carrier Enterprise App
- Internet
- CEMA training website (cematraining.com)
- Carrier Service Tech App
- All of the above
Correct

Incorrect
Question 5 of 18

5. Question
When a system is communicating properly, the DC voltage on terminal A&B, should it be fluctuating?
- True
- False
Correct

Incorrect
Question 6 of 18

6. Question
Before a furnace starts it ignition sequence, all safety switches need to be
- All in the closed position
- All in the open position
- All in the standby position
- All in the operating position
Correct

Incorrect
Question 7 of 18

7. Question
What is the minimum micro amp reading for a control board to recognize there is a flame present?
- 1.5 micro amps
- .5 micro amps
- 3 micro amps
- 2.5 micro amps
Correct

Incorrect
Question 8 of 18

8. Question
You should always check gas pressure on start up of a new furnace?
- True
- False
Correct

Incorrect
Question 9 of 18

9. Question
When checking the natural gas pressure on a gas valve with pressure towers, you have to
- Remove the screw
- 13.5 turns clockwise on the screw
- 9.5 turns clockwise on the screw
- 1 turn counterclockwise on the screw
Correct

Incorrect
Question 10 of 18

10. Question
When troubleshooting a gas furnace, you should?
- Turn everything on
- Remove all low voltage field wiring
- Go back to your truck
- Remove only accessories
Correct

Incorrect
Question 11 of 18

11. Question
Which 2 things should you do to enable the self-check diagnostic check?
- Check gas pressure
- Remove low voltage
- Turn all dip switches off
- Turn dip switch 6 on
Correct

Incorrect
Question 12 of 18

12. Question
Select the 2 things we should do when troubleshooting Code 42 Inducer motor fault, we should
- Check pressure
- Change filter
- Disconnect the pressure switch tube
- Check communication between the inducer and the CPU
Correct

Incorrect
Question 13 of 18

13. Question
Just because a Hot Surface igniter glows does that mean it is functioning correctly?
- True
- False
Correct

Incorrect
Question 14 of 18

14. Question
Place these in the correct order of sequence
- Igniter warm up
- Inducer Pre-purge
- Flame proving
- Trail-for-ignition
View Answers:
Correct

Incorrect
Question 15 of 18

15. Question
When converting to LP, the LPGS, orifices, springs and ______________ should be installed on a gas furnace?
- Mastic tape
- Mixing screws
- Black wire ties
- Black pipe
Correct

Incorrect
Question 16 of 18

16. Question
The variable speed blower is always communicating with the CPU when power is applied to the unit?
- True
- False
Correct

Incorrect
Question 17 of 18

17. Question
90% venting should be supported not to allow water pooling in long horizontal runs?
- True
- False
Correct

Incorrect
Question 18 of 18

18. Question
Will I practice what I have learned today? And do my best to represent my industry as a professional?
- Yes
- No
Correct

Incorrect

Scroll to Top