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				| 1. | A Reversed Carnot Engine removes 50 kW from a heat sink. The temperature of the heat sink is 250 K and the temperature of the heat reservoir is 300 K. The power required of the engine is: | 
| A. | 10 kW | 
| B. | 20 kW | 
| C. | 30 kW | 
| D. | 50 kW | 
| Answer» B. 20 kW | |