Engine : Expired / Refrigeration AC - 424/252
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| 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 |
| A) the lowest |
| B) at its mid-range |
| C) the highest |
| D) of no consequence as the lube oil is not used in the operation of the unloader |
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