Engine : Refrigeration AC - 656/610
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| An increasing head pressure in a refrigeration system, without any corresponding change in the cooling water inlet temperature, would probably be caused by which of the following? |
| A) water in the refrigerant |
| B) restriction in refrigerant piping associated with the liquid line |
| C) flooding back of liquid refrigerant to the compressor from the evaporator |
| D) air and non-condensable gases in the condenser |
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