v By steadily circulating Refrigerant-134a at low temperature through passages in the walls of the freezer...


By steadily circulating Refrigerant-134a at low temperature through passages in the walls of the freezer compartment, a refrigerator maintains the freezer compartment at – 150C when the air surrounding the refrigerator is at 300 K. The rate of heat-transfer from the freezer compartment to the refrigerant is 10,000 kJ/h and the power input required to operate the refrigerator is 60 kJ/min. Determine (a) ratio of the COPactual to COPmax.

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