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Thermodynamics Multiple Questions and Answers.
| 16. | The efficiency of Carnot’s engine operating between reservoirs, maintained at temperature 27°C and -123°C is? | ||
| A. | 50% | ||
| B. | 24% | ||
| C. | 0.75% | ||
| D. | 0.4% | ||
| 17. | The temperature of sink of Carnot’s engine is 27°C. If the efficiency of the engine is 25%, then the temperature of source must be? | ||
| A. | 27°C | ||
| B. | 127°C | ||
| C. | 227°C | ||
| D. | 327°C | ||
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