Free EPA 608 Practice Test (Core Exam)-3
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Free Online EPA 608 Practice Test ( Core Exam)-3
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Question 1 of 14
1. Question
1 pointsAll recycling refrigerant machines are …………………………
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Question 2 of 14
2. Question
1 pointswhich of the following is the leading replacement option for retrofitting R- 12 refrigeration systems?
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Question 3 of 14
3. Question
1 pointsprior to disposal the pressure refrigerant disposal container should be ____________
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Question 4 of 14
4. Question
1 pointsAt what period the reusable cylinders should be hydrostatically treated for strength check?
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Question 5 of 14
5. Question
1 pointsWhat is the color code for central port of manifold gauge?
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Question 6 of 14
6. Question
1 pointswhich of the following is the most effective method for small leaks?
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Question 7 of 14
7. Question
1 pointsAfter recovering refrigerant from a system which may be used to flush debris out of system?
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Question 8 of 14
8. Question
1 pointsWhat does CFC stands for?
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Question 9 of 14
9. Question
1 points……………. refrigerant has high ozone depletion potential.
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Question 10 of 14
10. Question
1 pointsWhich of the refrigerant does not contain HCFC?
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Question 11 of 14
11. Question
1 pointsWhat is the water saturation limit of POE ester oil?
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Question 12 of 14
12. Question
1 pointsRefrigerant blends that are composed of two different refrigerants are called as ………………
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Question 13 of 14
13. Question
1 pointsIf the pressure of liquid increases the boiling port of liquid ……………….
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Question 14 of 14
14. Question
1 pointsIn a pressure gauge a micron is ……………. of milli meter
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EPA 608 Practice Test(Core Exam) Note-3
Never pressurize the system with Oxygen
The refrigerant system should never be pressurized with oxygen or compressed air because when these reacts with the oil, very high dangerous pressures will be generated in the system as the oil oxidizes.