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Internal Combustion Engines

Internal Combustion Engines
In diesel engine, the compression ratio in comparison to expansion ratio is

More
Same
Variable
Less

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Internal Combustion Engines
The thermal efficiency of a diesel cycle having fixed compression ratio, with increase in cut-off ratio will

Decrease
Increase
May increase or decrease depending on other factors
Be independent

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Internal Combustion Engines
In a four stroke cycle, the minimum temperature inside the engine cylinder occurs at the

End of exhaust stroke
Beginning of suction stroke
Beginning of exhaust stroke
End of suction stroke

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Internal Combustion Engines
If the compression ratio in I.C. engine increases, then its thermal efficiency will

Decrease
None of these
Remain same
Increase

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Internal Combustion Engines
Antiknock for compression ignition engines is

Napthene
Amyl nitrate
Tetra ethyl lead
Hexadecane

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Internal Combustion Engines
If the intake air temperature of I.C. engine increases, its efficiency will

None of these
Decrease
Increase
Remain same

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MORE MCQ ON Internal Combustion Engines

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