The U.S. Clean Air Act of 1990 requires that all service technicians who work on A/C systems must be certified in proper refrigerant recovery and recycling.
Correct Answer:
Verified
Q18: PAG oil works well with R-12 refrigerant.
Q19: A thermostatic expansion valve is mounted on
Q20: A liquid will boil at a lower
Q21: Technician A says suction lines connect the
Q22: Technician A says the normal operating pressures
Q24: Humans find high relative humidity more comfortable
Q25: Which statement is false?
A)The evaporator changes heated
Q26: On which of the following laws of
Q27: The customer says that there is no
Q28: Heat always flows from a warmer object
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