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 will not cause an explosion when mixed with refrigerants?
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Question 2 of 25
2. Question
What is the most effective method for checking small leaks?
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Question 3 of 25
3. Question
The only two mandatory recovery refrigerants are CFCs HCFCs
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Question 4 of 25
4. Question
What percentage of the ozone layer is occupied by the stratosphere?
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Question 5 of 25
5. Question
What is the color of the center port of the service manifold hose?
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Question 6 of 25
6. Question
What describes the weight of the smallest cylinder a 608-certified technician may purchase?
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Question 7 of 25
7. Question
Up to how much award money is offered by the EPA to individuals who report information about technicians who intentionally vent refrigerants into the atmosphere against protocol?
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Question 8 of 25
8. Question
Which of the following does not belong to the group?
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Question 9 of 25
9. Question
Which of the following gases has the greatest capacity to determine a system’s leak?
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Question 10 of 25
10. Question
What describes the process of cleaning the refrigerant for immediate use?
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Question 11 of 25
11. Question
What number mixture of refrigerants suits the ternary blend refrigerants?
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Question 12 of 25
12. Question
In which of the following refrigeration cycles is the condenser present?
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Question 13 of 25
13. Question
What is measured by the compound gauge of the gauge manifold set?
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Question 14 of 25
14. Question
In which of the following refrigeration cycles is the condenser present?
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Question 15 of 25
15. Question
About how many miles from the earth’s surface does the stratosphere extend?
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Question 16 of 25
16. Question
In new residential and small commercial heat pump and air conditioning systems, which of the following refrigerants is commonly used in place of R-22?
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Question 17 of 25
17. Question
In what phase are refrigerants in the suction line?
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Question 18 of 25
18. Question
When the saturation temperature in the evaporator causes the refrigerant to change from a liquid to a vapor _________ occurs.
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Question 19 of 25
19. Question
To which refrigerant group does R-22 belong?
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Question 20 of 25
20. Question
The rise in the amount of chlorine measured in the stratosphere over the past two decades matches the rise in which of the following elements?
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Question 21 of 25
21. Question
When the refrigerant system is warmer than the cylinder, the refrigerant recovery rate will be
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Question 22 of 25
22. Question
Which leak detector audits possible gas leakages?
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Question 23 of 25
23. Question
Which of the following rules are enacted in the Clean Air Act?
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Question 24 of 25
24. Question
What percentage of stratosphere chlorine comes from ozone depleting substances?
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Question 25 of 25
25. Question
When was the Montreal Protocol substantially amended?
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