2024 Modern Airflow and Duct Design – LIVE
Quiz Summary
0 of 36 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
Results
0 of 36 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%
-
There is no pass/fail on the day 1 quiz therefore no score will be displayed. You should be able to see the number of questions you answered correctly.
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11
- 12
- 13
- 14
- 15
- 16
- 17
- 18
- 19
- 20
- 21
- 22
- 23
- 24
- 25
- 26
- 27
- 28
- 29
- 30
- 31
- 32
- 33
- 34
- 35
- 36
- Current
- Review
- Answered
- Correct
- Incorrect
-
Question 1 of 36
1. Question
What does ASHRAE stand for?
CorrectIncorrect -
Question 2 of 36
2. Question
A book covering Air Distribution for Residential and Small Commercial Buildings is the definition for what?
CorrectIncorrect -
Question 3 of 36
3. Question
Static Pressure is?
CorrectIncorrect -
Question 4 of 36
4. Question
AACA Manual D covers items related to __________________.
CorrectIncorrect -
Question 5 of 36
5. Question
What does CF stand for?
CorrectIncorrect -
Question 6 of 36
6. Question
What are the recommended velocities for a supply duct ran in flex according to Manual D?
CorrectIncorrect -
Question 7 of 36
7. Question
What are the recommended velocities for a return branch in flex duct according to Manual D?
CorrectIncorrect -
Question 8 of 36
8. Question
What are the recommended velocities for a return trunk in metal duct according to Manual D?
CorrectIncorrect -
Question 9 of 36
9. Question
If a 10′ piece of duct is only stretched to 8′ 6″ what is the compression percentage?
CorrectIncorrect -
Question 10 of 36
10. Question
What is the minimum span between hangers and allowable sag in flex duct?
CorrectIncorrect -
Question 11 of 36
11. Question
Fan Performance depends on?
CorrectIncorrect -
Question 12 of 36
12. Question
What is the maximum available static pressure on an FB4C Fan Coil?
CorrectIncorrect -
Question 13 of 36
13. Question
What is the manufacturers design static pressure for HVAC systems?
CorrectIncorrect -
Question 14 of 36
14. Question
Are you really doing your job if you fail to measure static pressure every time you service a unit?
CorrectIncorrect -
Question 15 of 36
15. Question
Should duct systems be sealed before you check static pressure?
CorrectIncorrect -
Question 16 of 36
16. Question
You should measure static pressure at the ______ of your service call?
CorrectIncorrect -
Question 17 of 36
17. Question
All supply registers are created equally across all manufactures? IE: same size = same performance
CorrectIncorrect -
Question 18 of 36
18. Question
When testing a gas furnace for T.E.S.P, at what 2 points should you check?
CorrectIncorrect -
Question 19 of 36
19. Question
When selecting your supply registers, you should consider the following?
CorrectIncorrect -
Question 20 of 36
20. Question
When designing a system for installation, it is important to know what filter is going to be installed?
CorrectIncorrect -
Question 21 of 36
21. Question
It is important to “benchmark” every new system you install?
CorrectIncorrect -
Question 22 of 36
22. Question
What are the methods used to check/verify airflow or CFM supplied by the furnace or fan coil? CorrectIncorrect -
Question 23 of 36
23. Question
What is the correct formula for measuring airflow on a fan coil with resistant heat? CorrectIncorrect -
Question 24 of 36
24. Question
Volts x Amperes = CorrectIncorrect -
Question 25 of 36
25. Question
1 Watt = CorrectIncorrect -
Question 26 of 36
26. Question
When getting your supply air temperatures for measuring airflow, it is best to take the measurement ____________? CorrectIncorrect -
Question 27 of 36
27. Question
Use the formula below and select the correct answer for the airflow on this fan coil. CFM = BTUH Output/(temp difference x 1.08)
1 Watt = 3.414 BTUs
Volts x Amps = WattsMeasured voltage is 242vac
Measured amps are 39
Supply temperature is 109°
Return temperature is 72°CorrectIncorrect -
Question 28 of 36
28. Question
What are 2 ways to verify the BTUH input on a gas furnace? CorrectIncorrect -
Question 29 of 36
29. Question
What is the correct formula for measuring airflow on a gas furnace? CorrectIncorrect -
Question 30 of 36
30. Question
Use the formula and select the correct answer for calculating airflow of a gas furnace. CFM = BTUH Output/(temp difference x 1.08)
1 Watt = 3.414 BTUs
Volts x Amps = WattsBTUH Input is 110,000
BTUH Output is 88,000
Supply temperature is 122°
Return temperature is 72°CorrectIncorrect -
Question 31 of 36
31. Question
The best methods to measure and determine the CFM produced by a package unit is to __________? CorrectIncorrect -
Question 32 of 36
32. Question
When measuring static pressure it is critical the the positive + and negative – numbers get added or subtracted properly accordingly to the formula?
CorrectIncorrect -
Question 33 of 36
33. Question
If you have a package unit with a belt driven blower, it is “OK” to install a larger blower sheave to get increased airflow?
CorrectIncorrect -
Question 34 of 36
34. Question
All duct taps are created equally and have no effect on the system performance in regards to airflow delivery? CorrectIncorrect -
Question 35 of 36
35. Question
What year did FER (fan energy ratings) go into effect? CorrectIncorrect -
Question 36 of 36
36. Question
PSC motors are still being used in new furnaces being manufactured today? CorrectIncorrect
English 
Spanish