EPA Practice Tests
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EPA Practice Test – Core #11 Quiz
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EPA Practice Test – Core #21 Quiz
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EPA Practice Test – Core #31 Quiz
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EPA Practice Test – Core #41 Quiz
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EPA Practice Test – Core #51 Quiz
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EPA Practice Test – Core #61 Quiz
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EPA Practice Test – Core #71 Quiz
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EPA Practice Test – Core #81 Quiz
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EPA Practice Test – Core #91 Quiz
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EPA Practice Test – Core #101 Quiz
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Question 1 of 25
1. Question
- Which of the following is an HCFC refrigerant?
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Question 2 of 25
2. Question
When will the ban on the production or importing of any HCFC refrigerant take effect?
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Question 3 of 25
3. Question
- Many refillable cylinders have which of the following attachments to automatically shut off the system when the storage tank level exceeds the 80% full?
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Question 4 of 25
4. Question
- What explains the purpose of recovery?
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Question 5 of 25
5. Question
- What is the range of calibration of the high pressure gauge manifold?
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Question 6 of 25
6. Question
- In the evacuation system, vacuum lines (hoses) should be equal to or larger than the pump intake connection.
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Question 7 of 25
7. Question
The most effective method for checking small leaks uses a halide torch.
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Question 8 of 25
8. Question
- The refrigerant recovery rate will be _________ than the smaller refrigerant system size.
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Question 9 of 25
9. Question
- Only cylinders designated as “refillable” by the __________can be used for refrigerant recovery.
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Question 10 of 25
10. Question
- UV radiation can cause which of the following: 1) Suppression of the immune system 2) Increase in skin cancers and cataracts?
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Question 11 of 25
11. Question
Disposable cylinders consist of which of the following?
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Question 12 of 25
12. Question
- Which of the following gas is used when checking for leaks in a system?
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Question 13 of 25
13. Question
- At rates of about _______ per year, the electronic leaks.
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Question 14 of 25
14. Question
In which part of the refrigeration cycle is the evaporator located?
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Question 15 of 25
15. Question
- Which of the following refrigerants does the Montreal Protocol agreement not phase out?
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Question 16 of 25
16. Question
- Before it can be sold, what standard must reclaimed refrigerants meet?
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Question 17 of 25
17. Question
- During which phase will refrigerants be in a state of high-pressure hot vapor?
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Question 18 of 25
18. Question
- What is the state of nitrogen when it is used to pressurize the system?
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Question 19 of 25
19. Question
- What is the fastest method of dehydrating a system?
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Question 20 of 25
20. Question
- Which one of the following refrigerants contribute to global warming?
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Question 21 of 25
21. Question
- When an appliance contains __________ or more pounds of refrigerant, the servicing technician must provide the owner with an invoice that indicates the amount of refrigerant added to the appliance.
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Question 22 of 25
22. Question
- What percentage of the earth’s atmosphere does nitrogen constitute?
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Question 23 of 25
23. Question
- In what year will the HCFC ban extend to all HCFCs for use in new systems?
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Question 24 of 25
24. Question
- The ozone depletion potential of CFCs is higher than HCFCs
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Question 25 of 25
25. Question
Refrigeration technicians who violate the Clean Air Act become subject to
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