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Internal Combustion Engines

Internal Combustion Engines
The working pressure and temperature inside the cylinder of an internal combustion engine is _________ as compared to a steam engine.

Very high
Very low
High
Low

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Internal Combustion Engines
A carburettor is used to supply

Petrol and air
Petrol, air and lubricating oil
Air and diesel
Petrol and lubricating oil

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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

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

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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
None of the listed here
Fuel pump
Carburettor

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

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

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Internal Combustion Engines
Iso-octane (C₈H₁₈) has octane number of

100
120
0
50

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MORE MCQ ON Internal Combustion Engines

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