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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.

High
Very low
Very high
Low

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Internal Combustion Engines
The ratio of the brake power to the indicated power is called

Volumetric efficiency
Overall efficiency
Mechanical efficiency
Indicated thermal efficiency

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Internal Combustion Engines
A fuel of cetane number 40 has the same ignition quality as a mixture of

40% petrol and 60% diesel
40% diesel and 60% petrol
40% cetane and 60% alpha methyl naphthalene
40% alpha methyl naphthalene and 60% cetane

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Internal Combustion Engines
The pressure at the end of compression, in petrol engines, is approximately

10 bar
35 bar
25 bar
20 bar

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Internal Combustion Engines
The loud pulsating noise heard within the cylinder of an internal combustion engine is known as

Detonation
Supercharging
Turbulence
Pre-ignition

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Internal Combustion Engines
Most high speed compression engines operate on

Special type of air cycle
Diesel cycle
Otto cycle
Dual combustion cycle

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MORE MCQ ON Internal Combustion Engines

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