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EPA 609 Practice Test 6
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Question 1 of 12
1. Question
1 pointsHFC-134a refrigerant has an Ozone Depletion Potential of:
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Question 2 of 12
2. Question
1 pointsR-134a refrigerant has low solubility in non-polar lubricants
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Question 3 of 12
3. Question
1 pointsUse of Carbon dioxide (R-744) refrigerant results into a ______ efficiency cycle:
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Question 4 of 12
4. Question
1 pointsR-134a disposable refrigerant cylinder is ________ color coded:
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Question 5 of 12
5. Question
1 pointsDisposable cylinders are manufactured to specifications established by:
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Question 6 of 12
6. Question
1 pointsDisposable cylinders are manufactured from:
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Question 7 of 12
7. Question
1 pointsRecovery cylinders are painted yellow in the shoulder area and _____ down the side
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Question 8 of 12
8. Question
1 pointsMoisture content in recycled R-134a (HFC-134a) that has been directly removed from and intended to be returned to a mobile air-conditioning system cannot exceed _______ by weight
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Question 9 of 12
9. Question
1 pointsTechnicians who repair or service HFC-134a MVACs must be trained and certified by an EPA-approved organization
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Question 10 of 12
10. Question
1 pointsThe sale of small containers of refrigerant under _______, including the one pound cans, are restricted to only people certified in Section 609
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Question 11 of 12
11. Question
1 pointsAverage ozone concentration in Earth’s atmosphere as a whole is only about ______ parts per million
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Question 12 of 12
12. Question
1 pointsOzone layer is present in both Stratosphere and mesosphere layers of earth’s atmosphere:
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