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An ideal gas heat engine operates in a Carnot cycle between 227°C and 127°C. It absorbs 6 kcal at the higher temperature. The amount of heat (in kcal) converted into work is equal to
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- 1.2
- 4.8
- 3.5
- 1.6
Correct Option: A
Efficiency = | ||
T1 |
T1 = 227 + 273 = 500 K
T2 = 127 + 273 = 400 K
η = | = | |||
500 | 5 |
Hence, output work = η × Heat input = | × 6 = 1.2 kcal | |
5 |