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Internal Combustion Engines

Internal Combustion Engines
The working pressure and temperature inside the cylinder of an internal combustion engine is _________ as compared to a steam engine.

Very high
High
Low
Very low

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Internal Combustion Engines
The pressure inside the cylinder is _________ the atmospheric pressure during the exhaust stroke.

Below
Above
None of these
Equal to

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Internal Combustion Engines
The knocking tendency in compression ignition engines for a given fuel will be

Enhanced by increasing compression ratio
Enhanced by decreasing compression ratio
None of these
Dependent on other factors

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Internal Combustion Engines
Air fuel ratio at which a petrol engine cannot work is

0.41736111111111
0.62569444444444
0.33402777777778
20 : 1 and less

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Internal Combustion Engines
The cetane number of diesel oil, generally available, is

40 to 55
25 to 30
20 to 25
30 to 40

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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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MORE MCQ ON Internal Combustion Engines

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