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Internal Combustion Engines

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

0.15
0.5
0.3
0.7

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Internal Combustion Engines
Antiknock for compression ignition engines is

Hexadecane
Amyl nitrate
Tetra ethyl lead
Napthene

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Internal Combustion Engines
The theoretically correct air fuel ratio for petrol engine is of the order of

0.37569444444444
0.50069444444444
0.62569444444444
0.25069444444444

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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, aromatics, paraffin
Napthene, paraffin, aromatic

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Internal Combustion Engines
Combustion in compression ignition engines is

Homogeneous
Laminar
Heterogeneous
Both (A) and (B)

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Internal Combustion Engines
Installation of supercharger on a four cycle diesel engine can result in the following percentage increase in power

Up to 75%
Up to 100%
Up to 35%
Up to 50%

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MORE MCQ ON Internal Combustion Engines

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