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Internal Combustion Engines

Internal Combustion Engines
The air-fuel ratio of the petrol engine is controlled by

Injector
Carburettor
Fuel pump
Governor

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Internal Combustion Engines
The air standard efficiency of an Otto cycle compared to diesel cycle for the given compression ratio is

More or less depending on power rating
Less
Same
More

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Internal Combustion Engines
The process of breaking up or a liquid into fine droplets by spraying is called

Atomization
Vaporisation
Ionization
Carburetion

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Internal Combustion Engines
The probability of knocking in diesel engines is increased by

Low volatility
All of these
High self ignition temperature
Higher viscosity

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Internal Combustion Engines
In an internal combustion engine, the process of removing the burnt gases from the combustion chamber of the engine cylinder is known as

Polymerisation
Detonation
Scavenging
Supercharging

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Internal Combustion Engines
The knocking in diesel engines may be prevented by

All of these
Increasing the inlet pressure of air
Reducing the delay period
Raising the compression ratio

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MORE MCQ ON Internal Combustion Engines

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