6-155 A heat pump is absorbing heat from the cold outdoors at 5°C and supplying heat to a house at 22°C at a rate of 18,000 kJ/h. If the power consumed by the heat pump is 2.5 kW, the coefficient of performance of the heat pump is a) 0.5 b) 1.0 c) 2.0 d) 5.0 e) 17.3 | |
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