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Internal Combustion Engines

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 35%
Up to 100%
Up to 50%

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Internal Combustion Engines
The reference fuels for knock rating of spark ignition engines would include

Iso-octane and normal hexane
Normal octane and aniline
Iso-octane and alpha-methyl naphthalene
Normal heptane and iso-octane

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Internal Combustion Engines
In loop scavenging, the top of the piston is

Flat
Slanted
Contoured
Depressed

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Internal Combustion Engines
In an internal combustion engine, the process of removing the burnt gases from the combustion chamber of the engine cylinder is known as

Scavenging
Supercharging
Polymerisation
Detonation

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Internal Combustion Engines
Which of the following is not an intern’s combustion engine?

4-stroke petrol engine
2-stroke petrol engine
Diesel engine
Steam turbine

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Internal Combustion Engines
A gas engine has a swept volume of 300 cm3 and clearance volume of 25 cm3. Its volumetric efficiency is 0.88 and mechanical efficiency is 0.90. The volume of the mixture taken in per stroke is

252 cm3
248 cm3
286 cm3
264 cm3

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