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Internal Combustion Engines

Internal Combustion Engines
The pressure at the end of compression in the case of diesel engine is of the order of

6 kg/cm
12 kg/cm
20 kg/cm
35 kg/cm

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Internal Combustion Engines
An hmh flame speed is obtained in diesel engine when air fuel ratio is

About 35% of rich mixture
Uniform throughout the mixture
About 10% of rich mixture
Chemically correct mixture

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Internal Combustion Engines
The maximum propulsive efficiency of a turbojet engine is at a speed of

2000 km/h
1000 km/h
3000 km/h
2400 km/h

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Internal Combustion Engines
Which of the following statement is correct regarding normal cetane?

Its chemical name is normal hexadecane
All of these
It has long carbon chain structure
It is a standard fuel used for knock rating of diesel engines

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Internal Combustion Engines
A petrol engine has compression ratio from

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

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

Air and fuel
Air alone
Fuel alone
Air and lub oil

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