EPA (Environmental Protection Agency) 608 Exam Test 2022 Technician Certification Core Practice Test Prep guide. There are a total of 50 samples of multiple-choice questions based on Section 608 Certification Exam Preparatory Manual 9th Edition V2.
EPA 608 Exam Test Prep
EPA stands for | Environmental Protection Agency |
Test Name | EPA Certification Test Prep |
Section Name | 608 |
Type of test | sample test |
Type of question | multiple-choice |
Answers availability | Yes |
Total question | 50 |
Time limit | 25 minutes |
Topics | EPA 608 Core |
See also | EPA 608 Certification Exam Practice Test And Study Guide |
Technician Certification Core Practice Test 2022
EPA 608 Practice Test Core 2
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Free EPA 608 Certificate Practice Test (Core) 2.
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The official EPA 608 Certificate final exam has 25 multiple-choice questions. A minimum score of 70% or higher is required to pass the exam. This is obtained by answering at least 18 out of 25 questions correctly.
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Question 1 of 50
1. Question
1 pointsWhich of the following device takes the low pressure, low-temperature refrigerant vapor and changes it to a high-temperature, high-pressure, superheated refrigerant vapor:
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Question 2 of 50
2. Question
1 pointsR-134a belongs to which of the following refrigerant group:
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Question 3 of 50
3. Question
1 pointsCFC-11 and CFC-12 Ozone depleting substances contributes ______ of stratospheric chlorine
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Question 4 of 50
4. Question
1 pointsWhich of the following when mixed with refrigerants cannot cause an explosion:
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Question 5 of 50
5. Question
1 pointsThe ______ connects the condenser to the expansion device:
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Question 6 of 50
6. Question
1 pointsThe pressure of Nitrogen at which that is introduced into the evacuation system after evacuation of refrigerant is:
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Question 7 of 50
7. Question
1 pointsWhich type of leak detector works by drawing the vapor into the system and heating it:
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Question 8 of 50
8. Question
1 pointsWhich of the following is formed when refrigerants exposed to flames or steam which is poisonous:
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Question 9 of 50
9. Question
1 pointsMotor Vehicle Air Conditioning (MVAC) service technicians are governed under EPA _____ section:
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Question 10 of 50
10. Question
1 pointsDisposable cylinders are used only for which of the following refrigerant:
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Question 11 of 50
11. Question
1 pointsFor obtaining the most accurate readings during evacuation process, the vacuum gauge should be located as ____ as possible from the vacuum pump:
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Question 12 of 50
12. Question
1 pointsIf icing occurs on the sight glass, which of the following is used to remove the ice:
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Question 13 of 50
13. Question
1 pointsThe compound gauge of gauge manifold set measures which of the following:
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Question 14 of 50
14. Question
1 pointsNitrogen reacts with hydrogen to form which of the following:
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Question 15 of 50
15. Question
1 pointsWhich of the following refrigerant is commonly used in new residential and small commercial heat pump and air conditioning systems in place of R-22
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Question 16 of 50
16. Question
1 pointsTwo refrigerants are not allowed to collect into one recovery cylinder because:
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Question 17 of 50
17. Question
1 pointsThe Diameter of the liquid line must be as _____ as possible to minimize the total refrigerant pressure drop over the length of the liquid line and as ____ as possible to avoid refrigerant flash
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Question 18 of 50
18. Question
1 pointsIf the vacuum pump used is too large, water removal from the system will become:
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Question 19 of 50
19. Question
1 pointsThe rise in the amount of chlorine measured in the stratosphere over the past two decades matches the rise in the which of the following element:
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Question 20 of 50
20. Question
1 pointsIf the label identifying the refrigerant is missing, then which of the following method is used to identify the type of refrigerant:
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Question 21 of 50
21. Question
1 points____ recovery is the fastest and takes up less volume per pound of refrigerant to recover:
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Question 22 of 50
22. Question
1 pointsThe purged nitrogen gas shall be:
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Question 23 of 50
23. Question
1 points______ leak detector listens for the noise of gas leakage:
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Question 24 of 50
24. Question
1 pointsThe ______ occurs when the saturation temperature in the evaporator causes the refrigerant to change from a liquid to a vapor
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Question 25 of 50
25. Question
1 pointsR-22 belongs to which of the following refrigerant group:
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Question 26 of 50
26. Question
1 points______ is used to the push-pull recovery method of refrigeration:
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Question 27 of 50
27. Question
1 pointsTernary blend refrigerant consists of ______ mixture of refrigerants:
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Question 28 of 50
28. Question
1 pointsWhich of the following not correct with reference to three ‘R’ s:
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Question 29 of 50
29. Question
1 pointsRefrigeration technicians who violate the Clean Air Act may:
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Question 30 of 50
30. Question
1 pointsIn Halide torch leak test if there is a refrigerant leak, the flame will turn:
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Question 31 of 50
31. Question
1 pointsUV radiation can cause which of the following:
1) Suppression of the immune system
2) Increase in skin cancers and cataracts -
Question 32 of 50
32. Question
1 pointsThe scale on the high pressure of gauge manifold is calibrated in the range:
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Question 33 of 50
33. Question
1 pointsWhich of the following is not a desirable property of a good refrigerant:
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Question 34 of 50
34. Question
1 pointsRefrigerant will be in _____ phase in suction line:
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Question 35 of 50
35. Question
1 pointsTendency to leak of the refrigerant depends on which of the following:
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Question 36 of 50
36. Question
1 pointsThe temperature at which the refrigerant starts to evaporate is:
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Question 37 of 50
37. Question
1 pointsHigh pressure gauge of gauge manifold will have which of the following color:
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Question 38 of 50
38. Question
1 pointsAs the pressure on the refrigeration liquid increases, boiling point of the refrigeration liquid:
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Question 39 of 50
39. Question
1 points_____ is the reaction of refrigerant with water:
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Question 40 of 50
40. Question
1 pointsAtmospheric pressure is ______ pounds per square inch:
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Question 41 of 50
41. Question
1 points_____ of stratospheric chlorine is contribution from natural sources such as volcano eruptions and others:
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Question 42 of 50
42. Question
1 pointsAccording to Clean Air Act (CAA), R-22 must be:
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Question 43 of 50
43. Question
1 pointsAsphyxia is a condition caused because of lack of which of following:
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Question 44 of 50
44. Question
1 pointsDuring vacuum leak test, if the measured pressure increases ______ after a while, then it can be determined that refrigerant is still trapped in the system:
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Question 45 of 50
45. Question
1 pointsRecovery is done in order to have which of the following:
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Question 46 of 50
46. Question
1 pointsThe fastest way to dehydrate a system is with which of the following:
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Question 47 of 50
47. Question
1 pointsOnly cylinders designated as “refillable” by the _______ can be used for refrigerant recovery:
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Question 48 of 50
48. Question
1 points_____ is the amount of heat required to change the refrigerant from a liquid to a gas:
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Question 49 of 50
49. Question
1 pointsRefrigerants will be of high pressure hot vapor phase in which of the following:
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Question 50 of 50
50. Question
1 pointsReclaimed refrigerant must meet the standard set forth in _____ before it can be resold