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2 1. An ice-making machine operates on the ideal refrigeration vapor-compression cycle, using refrigerant-134a as the working fluid. The power input to the ice

2 1. An ice-making machine operates on the ideal refrigeration vapor-compression cycle, using refrigerant-134a as the working fluid. The power input to the ice machine is to be determined. TA 3 600 kPa 4 140 kPa QL W in

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