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Internal Combustion Engines

Internal Combustion Engines
The frictional power (F.P.) is given by

F.P. =
F.P. =
P./I.P.
P.
P. - I.P.
F.P. = I.P. -
F.P. = I.P./
P.

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Internal Combustion Engines
The function of a distributor in a coil ignition system of I.C. engines is

To distribute power
To distribute current
To distribute spark
To time the spark

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Internal Combustion Engines
The ratio of the volume of charge admitted at N.T.P. to the swept volume of the piston is called

Overall efficiency
Mechanical efficiency
Relative efficiency
Volumetric efficiency

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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 secondary turbulence
Enhance flow rate
Control air flow
Induce primary swirl

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

10 bar
35 bar
25 bar
20 bar

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Internal Combustion Engines
If the compression ratio in I.C. engine increases, then its thermal efficiency will

None of these
Decrease
Increase
Remain same

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