Multiple Choice Question (MCQ)
Question: Why the service port fitting size differs in HFC-134a from CFC-12 car AC system?
A.
Increases quantity of refrigerant charge
B.
Decreases quantity of refrigerant charge
C.
Avoids cross contamination of refrigerants
D.
Improves performance of car air conditioners
Correct Answer: Avoids cross contamination of refrigerants