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Internal Combustion Engines

Internal Combustion Engines
In a diesel engine, the duration between the time of injection and ignition, is known as

Pre-ignition period
Delay period
Burning period
Period of ignition

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Internal Combustion Engines
The fuel air ratio in a petrol engine fitted with suction carburettor, operating with dirty air filter as compared to clean filter will be

Higher
Remain unaffected
Lower
None of the listed here

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Internal Combustion Engines
The basic requirement of a good combustion chamber is

Low volumetric efficiency
Low compression ratio
High thermal efficiency and power output
Minimum turbulence

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Internal Combustion Engines
The ratio of the brake power to the indicated power is called

Volumetric efficiency
Overall efficiency
Mechanical efficiency
Indicated thermal efficiency

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Internal Combustion Engines
The size of inlet valve of an engine in comparison to exhaust valve is

Same
More/less depending on capacity of engine
Less
More

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Internal Combustion Engines
The _________ engines can work on very lean mixture of fuel.

Both (A) and (B)
None of these
Spark ignition
Compression ignition

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MORE MCQ ON Internal Combustion Engines

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