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Internal Combustion Engines

Internal Combustion Engines
Which of the following fuel has little tendency towards detonation?

Benzene
Alcohol
Iso-octane
Normal heptane

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Internal Combustion Engines
In the opposed piston diesel engine, the combustion chamber is located

Between the pistons
There is no such criterion
Below the piston
Above the piston

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Internal Combustion Engines
The firing order in an I.C. engine depends upon

Design of crankshaft
All of these
Arrangement of the cylinders
Number of cylinders

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Internal Combustion Engines
Supercharging is essential in

Petrol engines
Diesel engines
Aircraft engines
Gas turbines

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

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

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Internal Combustion Engines
For maximum power generation, the air fuel ratio for a petrol engine for vehicles, is of the order of

0.62569444444444
0.75069444444444
0.50069444444444
0.37569444444444

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