Multiple Choice
An R-12 to R-134a conversion procedure is being discussed. Technician A says leak-test the system and conduct a performance test prior to removing the R-12. Technician B says leak-test the system and conduct a performance test after charging the system with R-134a. Who is correct?
A) A only
B) B only
C) both A and B
D) neither A nor B
Correct Answer:

Verified
Correct Answer:
Verified
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