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Engine: General Subjects

Question 2,505 of 1,465

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 shown in the illustration will be at what value?

USCG illustration RA-0013 for Engine General Subjects question 2505
Illustration RA-0013
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Appears on the 2026 sample exam for

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