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
In which of the following configurations will relief valves in the refrigeration system be?
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Question 2 of 25
2. Question
HFC refrigerants have Zero Ozone Depletion Potential and Zero Global Warming Potential.
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Question 3 of 25
3. Question
If the temperature of the refrigerant is warmer, there will be a _______ evacuation of the refrigerant from the refrigeration system.
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Question 4 of 25
4. Question
What letter represents the refrigerant with a higher toxicity?
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Question 5 of 25
5. Question
What is the color of the compound gauge that measures low pressure and vacuum?
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Question 6 of 25
6. Question
What phase describes the refrigerant when it is in the condenser?
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Question 7 of 25
7. Question
What is the name of the process in which refrigerants are at the level of new product specifications as determined by chemical analysis?
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Question 8 of 25
8. Question
To make a refrigerant saturated and change its state by condensing it requires what kind of heat?
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Question 9 of 25
9. Question
Class 1 Refrigerants will have an ozone depletion potential greater than
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Question 10 of 25
10. Question
When a cylinder is exposed to heat and is in risk of explosion, which of the following increases?
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Question 11 of 25
11. Question
Up to how many miles above the earth’s surface does the ozone layer in the stratosphere extend?
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Question 12 of 25
12. Question
Knowingly venting any refrigerant has been a violation of CAA since what date?
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Question 13 of 25
13. Question
Recovery cylinders are designed to be refilled.
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Question 14 of 25
14. Question
What is the name for the temperature at which non-azeotropic blends first begin to condense?
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Question 15 of 25
15. Question
What is the penalty, per day per violation, for improper record keeping, as per CAA?
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Question 16 of 25
16. Question
Which of the following is an example of an HFC?
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Question 17 of 25
17. Question
Before it can be resold, what standard must a reclaimed refrigerant meet?
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Question 18 of 25
18. Question
When the refrigerant system is more moist, it will take the refrigerant _____ to evacuate
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Question 19 of 25
19. Question
What happens to the recovery process of the refrigerants when the ambient temperature becomes colder?
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Question 20 of 25
20. Question
Before opening a system for service, CFCs and HCFCs must be recovered.
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Question 21 of 25
21. Question
Refrigerant oil must be miscible at high temperature.
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Question 22 of 25
22. Question
During a halide torch test, what material is heated by hydrocarbon fuel as refrigerant air is drawn over it?
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Question 23 of 25
23. Question
Which of the following is not a result of stratospheric ozone depletion?
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Question 24 of 25
24. Question
During the asphyxiation, what happens in the blood caused by respiratory interference?
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Question 25 of 25
25. Question
On what date were CFCs phased out?
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