IC Engines Practice Set-2

November 10, 2021

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1. The maximum propulsive efficiency of a turbojet engine is at a speed of
2. The ratio of indicated thermal efficiency to the corresponding air standard cycle efficiency is called
3. The minimum cranking speed in case of petrol engine is about
4. Diesel engine can work on very lean air fuel ratio of the order of 30: 1. A petrol engine can also work on such a lean ratio provided
5. The inlet valve of a four stroke cycle internal combustion engine remains open for
6. In a naturally aspirated diesel engine, the air is supplied by
7. A supercharged engine as compared to an ordinary engine
8. The spark ignition engines are governed by
9. Which of the following is not an intern’s combustion engine?
10. In petrol engines, advancing of the spark timing will _________ the knocking tendency.

 

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3 Responses

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