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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
The colour of exhaust from diesel engine is generally

Bluish
Black
White
Violet

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Internal Combustion Engines
The object of providing masked inlet valve in the air passage of compression ignition engines is to

Induce primary swirl
Induce secondary turbulence
Control air flow
Enhance flow rate

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Internal Combustion Engines
Which of the following medium is compressed in a Diesel engine cylinder?

Air and fuel
Air and lub oil
Fuel alone
Air alone

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Internal Combustion Engines
If the temperature of intake air in internal combustion engine increases, then its efficiency will

Increase
Remain same
Decrease
None of the listed here

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Internal Combustion Engines
The thermal efficiency of petrol and gas engines is about

0.5
0.15
0.3
0.7

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MORE MCQ ON Internal Combustion Engines

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