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Internal Combustion Engines

Internal Combustion Engines
A petrol engine has compression ratio from

6 to 10
25 to 40
15 to 25
10 to 15

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Internal Combustion Engines
The loud pulsating noise heard within the cylinder of an internal combustion engine is known as

Supercharging
Turbulence
Detonation
Pre-ignition

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Internal Combustion Engines
For maximum power generation, the air fuel ratio for a petrol engine for vehicles, is of the order of

0.75069444444444
0.62569444444444
0.50069444444444
0.37569444444444

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Internal Combustion Engines
The reflectivity depends upon

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

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Internal Combustion Engines
The maximum propulsive efficiency of a turbojet engine is at a speed of

2400 km/h
2000 km/h
3000 km/h
1000 km/h

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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
Polymerisation
Supercharging
Detonation

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MORE MCQ ON Internal Combustion Engines

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