Refrigeration & Air Conditioning USCG Question #223 (Set 4)

During the initial cooling down of a box temperature in a refrigeration system, which of the devices listed is used to prevent excessive gas pressure at the compressor suction for the purpose of prevention of overloading of the compressor driver?

Official USCG Answer & Rule Citation

Correct Answer: Option C — Crankcase pressure regulator

Under USCG National Maritime Center examination standards, the accepted correct answer is: Crankcase pressure regulator.

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