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Internal Combustion Engines

Internal Combustion Engines
In petrol engine, using a fixed octane rating fuel and fixed compression ratio, supercharging will _________ the knocking tendency.

None of these
Not effected
Increase
Decrease

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Internal Combustion Engines
Excess quantities of sulphur in diesel fuel are Objectionable because it may cause the following

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Internal Combustion Engines
Air fuel ratio for idling speed of a petrol engine is approximately

0.41736111111111
0.042361111111111
0.62569444444444
0.20902777777778

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Internal Combustion Engines
The rating of a diesel engine, with increase in air inlet temperature, will

Decrease parabolically
Increase linearly
Increase parabolically
Decrease linearly

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Internal Combustion Engines
Which of the following fuel detonates readily?

Alcohol
Iso-octane
Normal heptane
Benzene

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Internal Combustion Engines
The thermal efficiency of a petrol engine is _________ as compared to diesel engine.

None of these
Less
Same
More

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