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1. |
A cyclic heat engine operates between a source temperature of 800°C and a sink temperature of 30°C. The least rate of heat rejection per kW net output of engine will be nearly |
A. | 0.2 kW |
B. | 0.4 kW |
C. | 0.6 kW |
D. | 0.8 kW |
Answer» C. 0.6 kW | |