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Internal Combustion Engines

Internal Combustion Engines
The fuel in diesel engine is normally injected at pressure of

60-80 kg/cm²
5-10 kg/cm²
20-25 kg/cm²
90-130 kg/cm²

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Internal Combustion Engines
The reflectivity depends upon

All of these
Energy of neutrons
Properties of the reflector
Geometry of the reflector

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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
Detonation
Supercharging
Polymerisation

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Internal Combustion Engines
The following volume of air is required for consuming 1 liter of fuel by a four stroke engine

910 m3
56 m3
1 m3
5 m3

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Internal Combustion Engines
In a petrol engine, the mixture has the lowest pressure at the

End of compression stroke
End of suction stroke
Beginning of suction stroke
None of these

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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

264 cm3
252 cm3
248 cm3
286 cm3

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