IC Engines Practice Set-1

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1. Which of the following is the lightest and most volatile liquid fuel?
2. Number of working strokes per min. for a four stroke cycle engine are _________ the speed of the engine in r.p.m.
3. In a four stroke cycle diesel engine, the exhaust valve
4. In a typical medium speed 4-stroke cycle diesel engine the inlet valve
5. The knocking in spark ignition engines can be reduced by
6. Detonation is harmful due to
7. Supercharging is the process of
8. The ignition of the charge by some hot surface within the engine before the passage of spark is called
9. The probability of knocking in diesel engines is increased by
10. The theoretically correct air fuel ratio for petrol engine is of the order of

 

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