A reciprocating refrigeration compressor may be tested for leaking discharge valves by stopping the compressor, turning the discharge service valve all the way in, and then turning the compressor over by hand. If the discharge valves are leaking, the compound gauge will show pressures which react in which way?

Question

Accepted Answer

rising and falling with each stroke

Answer

decreasing to a vacuum

Answer

decreasing with each stroke

Answer

increasing with each stroke

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