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2. The heat load of a refrigerator to maintain its refrigeration chamber at 2 oC is 8 kW, while consuming 2 kW of power. Assuming

2. The heat load of a refrigerator to maintain its refrigeration chamber at 2 oC is 8 kW, while consuming 2 kW of power. Assuming the temperature outside is 27 oC, determine: (a) the coefficient of performance of the refrigerator, and (b) the minimum amount of power consumed by any refrigeator operating under the same conditions

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