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Internal Combustion Engines

Internal Combustion Engines
The loud pulsating noise heard within the cylinder of an internal combustion engine is known as

Supercharging
Pre-ignition
Detonation
Turbulence

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

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

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Internal Combustion Engines
The compression ignition engines are governed by

Qualitative governing
Quantitative governing
Hit and miss governing
Combination of (B) and (C)

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Internal Combustion Engines
The injection pressure in a diesel engine is about

150 bar
500 bar
10 bar
100 bar

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Internal Combustion Engines
The ratio of the work obtained at the crankshaft in a given time to the energy supplied during the same time is called

Volumetric efficiency
Overall efficiency
Mechanical efficiency
Indicated thermal efficiency

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Internal Combustion Engines
The octane number of petrol, generally available, is

20 to 40
60 to 80
40 to 60
80 to 100

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MORE MCQ ON Internal Combustion Engines

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