IC Engines Practice Set-2

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1. Number of working strokes per min. for a two stroke cycle engine is _________ the speed of the engine in r.p.m.
2. 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
3. In petrol engines, advancing of the spark timing will _________ the knocking tendency.
4. The maximum propulsive efficiency of a turbojet engine is at a speed of
5. Flash point of fuel oil is
6. Which of the following is not an intern’s combustion engine?
7. The minimum cranking speed in case of petrol engine is about
8. In a naturally aspirated diesel engine, the air is supplied by
9. The ratio of indicated thermal efficiency to the corresponding air standard cycle efficiency is called
10. A supercharged engine as compared to an ordinary engine

 

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