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A Carnot refrigeration cycle absorbs heat at -8C and rejects heat at 55C. (a) If the heat rejection rate is 30 kW, calculate the heat

A Carnot refrigeration cycle absorbs heat at -8°C and rejects heat at 55°C.

(a) If the heat rejection rate is 30 kW, calculate the heat extraction rate, the work input, and the COP of the refrigeration cycle.

(b) If the cycle operates as a heat pump calculate the COP of the cycle.

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