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. In petrol engines, advancing of the spark timing will _________ the knocking tendency.
3. The inlet valve of a four stroke cycle internal combustion engine remains open for
4. The ratio of indicated thermal efficiency to the corresponding air standard cycle efficiency is called
5. Which of the following is not an intern’s combustion engine?
6. A supercharged engine as compared to an ordinary engine
7. The maximum propulsive efficiency of a turbojet engine is at a speed of
8. In a naturally aspirated diesel engine, the air is supplied by
9. 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
10. Flash point of fuel oil is


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