NATE CR Service Practice Questions - NATE Commercial Refrigeration Service Specialty Exam

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On a multiplexed parallel rack serving cases at several temperatures, what device allows individual circuits to maintain a higher (warmer) saturation temperature than the common suction main?

Crankcase pressure regulator (CPR) Evaporator pressure regulator (EPR) Liquid line solenoid Discharge check valve

Correct Answer:

Evaporator pressure regulator (EPR)

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