EPA 608 Core Complete Answers
1. What can happen to refrigeration technicians who violate the Clean Air Act? - ️ D. All of the above (A. lose their EPA certification, B. be fined, C. be required to appear in federal
court).
2. Since what date has it been illegal to vent substitutes for CFC ...
- ✔️ To remove refrigerant in any condition from a system and store it in an external container
without necessarily testing or processing it in any way.
5. Does the EPA recognize any refrigerant "drop-in" replacements?
- ✔️ No.
6. Do low ambient temperatures slow or speed up the process of refrigerant recovery?
- ✔️ Slow.
7. What is the chemical composition of R-124?
- ✔️ HCFC.
8. What term describes a refrigerant blend that has a range of boiling or condensing points at a constant
pressure?
- ✔️ Temperature glide.
, 9. What provides the best proof that there are CFCs in the atmosphere?
- ✔️ C. CFCs in air samples from the atmosphere.
10. According to the EPA, which substances do NOT contribute to global warming?
- ✔️ CFCs, HCFCs, HFCs all contribute.
11. Even though R-22 is considered non-toxic, it:
- ✔️ B. can cause asphyxia.
12. After what year will CFCs no longer be manufactured or imported into the U.S.?
15. What is the EPA's definition of a type 1 small appliance?
- ✔️ A device that contains a factory charge of 5 lbs or less and is hermetically sealed at the factory.
16. What is the only exception to the EPA regulation that requires any person who opens an appliance
for maintenance to have at least one self-contained recovery machine?
- ✔️ Small appliances.
17. At high temperatures, R-12 and R-22 can decompose to form:
- ✔️ Phosgene gas.
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