Engine : Refrigeration AC - 267/610
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| Some 'hot gas' defrost systems reheat the refrigerant just prior to its returning to the compressor for what purpose? |
| A) to prevent chill shocking the compressor suction valves |
| B) to improve the efficiency of the expansion valve |
| C) to prevent the damaging effects of liquid slugging |
| D) to increase the circulation of liquid refrigerant |
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