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IC Engines and Nuclear Power Plants - Data Intensity 2 Multiple Questions and Answers.
| 21. | The knocking in spark ignition engines can be reduced by | ||
| A. | retarding the spark | ||
| B. | increasing the engine speed | ||
| C. | both (a) and (b) | ||
| D. | none of these | ||
| 22. | The ratio of the brake power to the indicated power is called | ||
| A. | mechanical efficiency | ||
| B. | overall efficiency | ||
| C. | indicated thermal efficiency | ||
| D. | volumetric efficiency | ||
| 24. | The cetane (C16H34) which is a straight chain paraffin is assigned a cetane number of | ||
| A. | 0 | ||
| B. | 50 | ||
| C. | 100 | ||
| D. | 120 | ||
| 25. | Morse test is used to determine the I.P. of a | ||
| A. | single cylinder petrol engine | ||
| B. | four stroke engine | ||
| C. | single cylinder diesel engine | ||
| D. | multi-cylinder engine | ||
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