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17. To maintain the internal temperature of a refrigerator at 4 ° C, it is necessary...

17. To maintain the internal temperature of a refrigerator at 4 ° C, it is necessary to remove heat at a rate of 360 kJ / min. To do this, 2 kW of energy is continuously added to the refrigerator. Based on this, determine the value of the cooling coefficient of performance and what the rate of heat rejection in the room.

Ans .: COP = 3 and Qq = 480 kJ / min.

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