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Q. |
A heat engine using lake water at 12° C as source & the surrounding atmosphere at 2°C as sink executes 1080 cycles per min. If the amount of heat drawn per cycle is 57J, then the output of the engine will be |
A. | 66 w |
B. | 56 w |
C. | 46 w |
D. | 36 w |
Answer» D. 36 w |
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