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Internal Combustion Engines

Internal Combustion Engines
In diesel engine the diesel fuel injected into cylinder would burn instantly at about compressed air temperature of

2000°C
1000°C
250°C
500°C

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Internal Combustion Engines
In petrol engines, advancing of the spark timing will ___ the knocking tendency.

Not effect
None of the listed here
Decrease
Increase

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Internal Combustion Engines
The actual volume of fresh charge admitted in 4-stroke petrol engine is

More than stroke volume
Equal to stroke volume
Less than stroke volume
Equal to stroke volume and clearance volume

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Internal Combustion Engines
A petrol engine has compression ratio from

10 to 15
25 to 40
6 to 10
15 to 25

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

Equal to
Above
Below
None of these

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Internal Combustion Engines
The thermodynamic cycle on which the petrol engine works, is

Stirling cycle
Joule cycle
Otto cycle
Rankine cycle

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