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
There is no temperature glide in an azeotropic mixture
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Question 2 of 25
2. Question
The sale of CFC and HCFC refrigerants became restricted to certified technicians only after what date?
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Question 3 of 25
3. Question
Refrigerants are ______ than air.
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Question 4 of 25
4. Question
Refrigeration cylinders should not be transported in an upright position?
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Question 5 of 25
5. Question
What kind of drier could be installed to trap any debris that may damage the compressor?
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Question 6 of 25
6. Question
How many miles above sea level is a stratosphere located?
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Question 7 of 25
7. Question
How many ports do recovery cylinders have?
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Question 8 of 25
8. Question
We are protected from harmful ______ by the o-zone.
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Question 9 of 25
9. Question
Which of the following is formed if moisture is allowed to remain in an operating refrigeration system
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Question 10 of 25
10. Question
A person who gives details of intentional venting of refrigerants to the atmosphere are privy to a reward up to?
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Question 11 of 25
11. Question
What are some factors that affect the speed and efficiency of evacuation?
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Question 12 of 25
12. Question
Most refrigerant oils are not hygroscopic?
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Question 13 of 25
13. Question
If they show signs of rust or appear to be compromised they should be reduced to ______Â and discarded.
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Question 14 of 25
14. Question
Which of the following colors can easily identify approved refrigerant recovery cylinders?
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Question 15 of 25
15. Question
Which of the following is formed when R-12 & R-22 decompose a high temperature?
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Question 16 of 25
16. Question
What is the process which removes the refrigerant in any condition from the system and stores it in an external container?
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Question 17 of 25
17. Question
Refillable refrigerant cylinders must not be filled to exceed _____ of it’s capacity by weight.
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Question 18 of 25
18. Question
What is the name of the chemical with collides with an ozone molecules and releases its oxygen atom?
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Question 19 of 25
19. Question
Recovery cylinders are only used with refrigerant recovery cylinders are only used with virgin refrigerant.
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Question 20 of 25
20. Question
Excessive pressure drops are a result of using long hoses.
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Question 21 of 25
21. Question
Which agency must approve the refillable cylinders used for transporting recovered pressurized refrigerants?
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Question 22 of 25
22. Question
How many oxygen atoms make up an ozone molecule how many oxygen atoms make up an ozone molecule
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Question 23 of 25
23. Question
To ensure that the refrigerant has been removed from appliances before scrapping is the responsibility of the final person in the disposal chain.
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Question 24 of 25
24. Question
Which of the following is used when leak testing an R134A system?
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Question 25 of 25
25. Question
Vacuum lines should be in what proportion to the pump intake connection?
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