EPA 608 Practice Test ( CORE Exam)-9
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Free Online Practice Tests: EPA 608 Core Exam -9
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Question 1 of 15
1. Question
1 pointsWhat will happen if the system is pressurized with oxygen or compressed air?
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Question 2 of 15
2. Question
1 pointsCFC’s are lighter than air.
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CFC’s are heavier than air so that it takes 2 to 5 years to reach to stratosphere. This will happen continuous mix with the year and winds.
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Question 3 of 15
3. Question
1 pointsOne chlorine atom can break apart more than …………………. Ozone molecules
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Question 4 of 15
4. Question
1 pointsThe compressor is located in …………… part of the refrigeration circuit?
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Question 5 of 15
5. Question
1 pointsThe liquid boiling point in the closed loop system can be controlled by changing …………… above it.
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Question 6 of 15
6. Question
1 pointsA high pressure gauge in manifold gauge set is usually ………… in color.
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Question 7 of 15
7. Question
1 pointsWhen the air present inside the refrigeration circuit …
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Question 8 of 15
8. Question
1 pointsThe process which removes the moisture and oil from and the refrigerant and chemically tests the refrigerant is
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Question 9 of 15
9. Question
1 pointsRefrigerant recovery equipment manufactured after ……………… must be certified and labeled by the EPA approved equipment testing agency to meet EPA standards
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Question 10 of 15
10. Question
1 pointsHFC refrigerant leak cannot be detected by following detector?
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Question 11 of 15
11. Question
1 pointsWhich of the following refrigerant is drop-in substitute of R-12?
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Question 12 of 15
12. Question
1 pointsThe speed of the evacuation depends on
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Question 13 of 15
13. Question
1 pointsFor maximum security what should be done to the cylinder before disposal?
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Question 14 of 15
14. Question
1 pointsThe suction line up to the compressor is iced up in air conditioning unit, what would be the indication?
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Question 15 of 15
15. Question
1 pointsThe refrigerant recovered from refrigeration system …………….
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