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EPA 609 Practice Test 3
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Question 1 of 12
1. Question
1 pointsHFC-134a, is the refrigerant that replaced _______ in automotive air conditioning systems
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Question 2 of 12
2. Question
1 pointsR-152a is a chemical compound composed of which of the following: (Multiple Answer Question)
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Question 3 of 12
3. Question
1 pointsR-134a refrigerant does pose a cancer or birth defects hazard
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Question 4 of 12
4. Question
1 pointsMVAC systems need not be evacuated to a vacuum before servicing
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Question 5 of 12
5. Question
1 pointsDisposable Refrigerant Tanks, under _______ must be evacuated before being scrapped
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Question 6 of 12
6. Question
1 pointsSupplies of CFC refrigerant for equipment servicing can ONLY come from which of the following:
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Question 7 of 12
7. Question
1 pointsExternal Recovery Tanks must be evacuated to ______ of mercury before being put into service
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Question 8 of 12
8. Question
1 pointsWhich of the following refrigerants has high ozone-depletion potential:
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Question 9 of 12
9. Question
1 pointsCFCs manufacture was discontinued as of _______
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Question 10 of 12
10. Question
1 pointsWhich of the following in refrigerant makes them chemically less stable once they enter the atmosphere
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Question 11 of 12
11. Question
1 points______ of stratospheric chlorine comes from ozone-depleting substances
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Question 12 of 12
12. Question
1 pointsWhich of the following has the Ozone Depletion Potential (ODP) value of 1
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