Engine: Expired / Refrigeration AC

Question 103 of 252

During operating periods of a multi-box refrigeration system using a capacity controlled compressor, when all of the evaporators of a four box plant are actively being fed with liquid refrigerant, the control oil pressure acting on the hydraulic relay piston will be at what value? GS-RA-13

Illustration GS-RA-13: the U.S. Coast Guard has not released this illustration.

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