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In a food factory area, it is required to maintain a constant low temperature with a cooling rate of 1 2 1 kW . In

In a food factory area, it is required to maintain a constant low temperature with a cooling rate of 121 kW. In the refrigeration circuit, which operates on the basis of the ideal vapor compression cycle with refrigerant R134a, the condenser uses water as a secondary fluid, which takes away the heat of the refrigerant and raises its temperature by 1.93 oC. The cooling circuit operates at euro pressure of 120 and 700 kPa. Calculate:
1) The mass supply of the coolant
2) The input work of the compressor
3) The mass supply of water in the condenser circuit
4) The degree of efficiency of the refrigerating machine

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