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1. |
A heat pump absorbs 10 kW of heat from outside environment at 250K while absorbing 15 kW of work. It delivers the heat to a room that must be kept warm at 300 K. The Coefficient of Performance (COP) of the heat pump is____ |
A. | 1.57 |
B. | 1.69 |
C. | 1.67 |
D. | 0.67 |
Answer» D. 0.67 | |