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Internal Combustion Engines

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

Vaporisation
Ionization
Atomization
Carburetion

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Internal Combustion Engines
If one cylinder of a diesel engine receives more fuel than the others, then for that cylinder the

Piston rings would stick into piston grooves
Exhaust will be smoky
Engine starts overheating
Scavenging occurs

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Internal Combustion Engines
The two reference fuels used for cetane rating are

Cetane and iso-octane
Cetane and normal heptane
Cetane and alpha-methyl naphthalene
Cetane and tetra ethyl lead

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Internal Combustion Engines
The air requirement of a petrol engine during starting compared to theoretical air required for complete combustion is

Less
May be more or less depending on engine capacity
More
Same

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Internal Combustion Engines
The ratio of the work obtained at the crankshaft in a given time to the energy supplied during the same time is called

Overall efficiency
Indicated thermal efficiency
Volumetric efficiency
Mechanical efficiency

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

An injection tube
A vacuum chamber
A centrifugal blower
A supercharger

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MORE MCQ ON Internal Combustion Engines

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