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Internal Combustion Engines

Internal Combustion Engines
The theoretically correct air fuel ratio for petrol engine is of the order of

0.25069444444444
0.50069444444444
0.62569444444444
0.37569444444444

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

Same
More
More/less depending on capacity of engine
Less

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Internal Combustion Engines
The fuel in diesel engine is normally injected at pressure of

20-25 kg/cm²
60-80 kg/cm²
90-130 kg/cm²
5-10 kg/cm²

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Internal Combustion Engines
The maximum temperature in the I.C. engine cylinder is of the order of

1500-2000°C
1000-1500°C
500-1000°C
2000-2500°C

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Internal Combustion Engines
Which of the following medium is compressed in a Diesel engine cylinder?

Air and fuel
Air and lub oil
Fuel alone
Air alone

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Internal Combustion Engines
In a naturally aspirated diesel engine, the air is supplied by

A vacuum chamber
A centrifugal blower
A supercharger
An injection tube

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MORE MCQ ON Internal Combustion Engines

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