IC Engines Practice Set-1

September 5, 2021

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1. The working pressure and temperature inside the cylinder of an internal combustion engine is _________ as compared to a steam engine.
2. The operation of forcing additional air under pressure into the engine cylinder is known as
3. The knocking in spark ignition engines can be reduced by
4. Number of working strokes per min. for a four stroke cycle engine are _________ the speed of the engine in r.p.m.
5. The firing order in an I.C. engine depends upon
6. If the temperature of intake air in IC engines is lowered, then its efficiency will
7. The fuels in order of decreasing knock tendency for spark ignition engines are
8. The air standard efficiency of an I.C. engine is given by (where r = Compression ratio, and γ = Ratio of specific heats)
9. The probability of knocking in diesel engines is increased by
10. The operation of forcing additional air under pressure in the engine cylinder is known as

 

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A Demrot is the founder of VideRime Online Learning, a leading engineering website. He did his BE Civil and M.Tech Structure from RGPV University, Bhopal and has been working as an Assistant Professor in a reputed college.

1 Response

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