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Internal Combustion Engines

Internal Combustion Engines
In order to prevent knocking in spark ignition engines, the charge away from the spark plug should have

Long ignition delay
All of these
Low density
Low temperature

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Internal Combustion Engines
Alpha-methyl-naphthalene (C11H10) has a cetane number of

50
120
0
100

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Internal Combustion Engines
A supercharged engine as compared to an ordinary engine

Requires smaller foundation
Is lighter
Consumes less lubricating oil
All of these

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Internal Combustion Engines
Number of working strokes per min. for a two stroke cycle engine is ____ the speed of the engine in r.p.m.

Equal to
Twice
Four-times
One-half

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Internal Combustion Engines
If the temperature of intake air in internal combustion engine increases, then its efficiency will

Increase
Decrease
None of the listed here
Remain same

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Internal Combustion Engines
The air-fuel ratio of the petrol engine is controlled by

Carburettor
Governor
Fuel pump
Injector

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MORE MCQ ON Internal Combustion Engines

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