IC Engines Practice Set-2

November 10, 2021

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1. The minimum cranking speed in case of petrol engine is about
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 maximum propulsive efficiency of a turbojet engine is at a speed of
5. Which of the following is not an intern’s combustion engine?
6. Number of working strokes per min. for a two stroke cycle engine is _________ the speed of the engine in r.p.m.
7. The ratio of indicated thermal efficiency to the corresponding air standard cycle efficiency is called
8. Flash point of fuel oil is
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. A supercharged engine as compared to an ordinary engine

 

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