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Internal Combustion Engines

Internal Combustion Engines
The temperature of interior surface of cylinder wall in normal operation is not allowed to exceed

120°C
240°C
180°C
80°C

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Internal Combustion Engines
The operation of forcing additional air under pressure into the engine cylinder is known as

Turbulence
Carburetion
Supercharging
Delay period

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Internal Combustion Engines
Diesel as compared to petrol is

Highly ignitable
More difficult to ignite
Less difficult to ignite
None of these

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Internal Combustion Engines
The air standard efficiency of an I.C. engine depends on

None of these
Fuel used
Compression ratio
Speed of engine

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Internal Combustion Engines
The knock in diesel engine occurs due to

Instantaneous auto ignition of last part of charge
Reduction of delay period
Delayed burning of the first part of the charge
Instantaneous and rapid burning of the first part of the charge

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Internal Combustion Engines
In order to mix air and petrol in the required proportion and to supply it to the engine during suction stroke, then ___ is employed.

Injector
Carburettor
None of the listed here
Fuel pump

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