IC Engines and Nuclear Power Plants Questions And Answers.
Exercise ::
IC Engines and Nuclear Power Plants
1. | The reference fuels for knock rating of spark ignition engines would include |
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| A. | iso-octane and alpha-methyl naphthalene |
| B. | normal octane and aniline |
| C. | iso-octane and normal hexane |
| D. | normal heptane and iso-octane |
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Published by:Michael Daani
2. | In a four stroke cycle, the minimum temperature inside the engine cylinder occurs at the |
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| A. | beginning of suction stroke |
| B. | end of suction stroke |
| C. | beginning of exhaust stroke |
| D. | end of exhaust stroke |
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Published by:Michael Daani
3. | The thermal efficiency of a standard Otto cycle for a compression ratio of 5.5 will be |
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| A. | 25% |
| B. | 50% |
| C. | 70% |
| D. | 100% |
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Published by:Michael Daani
4. | The ratio of the volume of charge admitted at N.T.P. to the swept volume of the piston is called |
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| A. | mechanical efficiency |
| B. | overall efficiency |
| C. | volumetric efficiency |
| D. | relative efficiency |
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Published by:Michael Daani
5. | The exhaust valve in a four stroke cycle petrol engine |
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| A. | opens at 50� before bottom dead centre and closes at 15� after top dead centre |
| B. | opens at bottom dead centre and closes at top dead centre |
| C. | opens at 50� after bottom dead centre and closes at 15� before top dead centre |
| D. | may open and close anywhere |
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Published by:Michael Daani