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Internal Combustion Engines

Internal Combustion Engines
A diesel engine, during suction stroke, draws

Diesel only
A mixture of diesel and air
Air only
None of these

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

All of these
High self ignition temperature
Higher viscosity
Low volatility

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Internal Combustion Engines
The fuels in order of decreasing knock tendency for spark ignition engines are

Paraffin, aromatic, napthene
Napthene, aromatics, paraffin
Paraffin, napthene, aromatic
Napthene, paraffin, aromatic

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

Carburettor
Injector
Fuel pump
Governor

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Internal Combustion Engines
The output of a diesel engine can be increased without increasing the engine revolution or size in following way

Supercharging
Feeding more fuel
Scavenging
Heating incoming air

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Internal Combustion Engines
The reflectivity depends upon

Energy of neutrons
Properties of the reflector
All of these
Geometry of the reflector

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MORE MCQ ON Internal Combustion Engines

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