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Thermodynamics - Data Intensity 1 Multiple Questions and Answers.
| 11. | The efficiency of Diesel cycle approaches to Otto cycle efficiency when | ||
| A. | cut-off is increased | ||
| B. | cut-off is decreased | ||
| C. | cut-off is zero | ||
| D. | cut-off is constant | ||
| 12. | The entropy ___ in an irreversible cyclic process. | ||
| A. | remains constant | ||
| B. | decreases | ||
| C. | increases | ||
| D. | none of above | ||
| 13. | The atomic mass of oxygen is | ||
| A. | 12 | ||
| B. | 14 | ||
| C. | 16 | ||
| D. | 32 | ||
| 14. | The ratio of specific heat at constant pressure (cp) and specific heat at constant volume (cv) is | ||
| A. | equal to one | ||
| B. | less than one | ||
| C. | greater than one | ||
| D. | none of these | ||
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