Engineering > EXAMs > EPA 608 Type 2 Practice Exam: 100% Verified Questions & Answers; Updated (All)
Which of the following refrigerants is classified as a very high-pressure refrigerant? A CFC-11 B R-744 C HCFC-123 D R-410A (Ans- R-744 When recovering refrigerant from a medium-pressure system ... with more than 200 lbs. of refrigerant, recover to a level of; A 0" Hg B 4" Hg C 10" Hg D 15" Hg (Ans- 15" Hg What can be done with a refrigerant trace gas and nitrogen mixture after a system leak is found? A Recover the mixture. B Recover in a special recovery tank. C Recycle the refrigerant back into the system [Show More]
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