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Internal Combustion Engines

Internal Combustion Engines
A diesel engine has

3 valves
2 valves
4 valves
1 valve

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Internal Combustion Engines
The brake power is the power available

At the crank shaft
In the engine cylinder
At the crank pin
None of these

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Internal Combustion Engines
The thermal efficiency of diesel engines is about

0.5
0.15
0.3
0.7

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Internal Combustion Engines
When a body, floating in a liquid, is given a small angular displacement, it starts oscillating about a point known as

Metacentre
Centre of gravity
Centre of buoyancy
Centre of pressure

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Internal Combustion Engines
A mixture containing 65% of iso-octane and 35% of normal heptane will have

Cetane number 65
Octane number 35
Cetane number 35
Octane number 65

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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

Mechanical efficiency
Volumetric efficiency
Relative efficiency
Overall efficiency

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MORE MCQ ON Internal Combustion Engines

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