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EPA 609 Practice Exam 5
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Question 1 of 12
1. Question
1 pointsR-134a is flammable at ambient temperatures and atmospheric pressures
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Question 2 of 12
2. Question
1 pointsThe “ozone layer” consists of ozone in which part of the atmosphere:
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Question 3 of 12
3. Question
1 pointsWhich of the following will not react with ozone gas:
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Question 4 of 12
4. Question
1 points_______ has replaced CFC-12 in all automotive applications
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Question 5 of 12
5. Question
1 pointsThe thermodynamic properties of HFC-134a are similar to CFC-12
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Question 6 of 12
6. Question
1 pointsThe color code for R-12 disposable refrigerant cylinders is ______
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Question 7 of 12
7. Question
1 pointsThe primary cause of over-pressurization of refrigeration cylinder is due to overheating
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Question 8 of 12
8. Question
1 pointsAs per the CAA, all records related to entities of MVAC system services must be maintained for ________ years
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Question 9 of 12
9. Question
1 pointsSince ______, it has been illegal to vent substitutes for CFC 3. and HCFC refrigerants:
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Question 10 of 12
10. Question
1 pointsSince _______, it has been mandatory to recycle HFC-134a as well as any other automotive refrigerant before returning to that MVAC or sold:
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Question 11 of 12
11. Question
1 pointsMontreal Protocol is signed in ______ by 23 counties including USA
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Question 12 of 12
12. Question
1 pointsHalons were completely phased out by 1994
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