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Internal Combustion Engines

Internal Combustion Engines
The reflectivity depends upon

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

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Internal Combustion Engines
The output of a diesel engine can be increased without increasing the engine revolution or size in following way

Supercharging
Heating incoming air
Scavenging
Feeding more fuel

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Internal Combustion Engines
The theoretically correct air fuel ratio for petrol engine is of the order of

0.62569444444444
0.25069444444444
0.50069444444444
0.37569444444444

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Internal Combustion Engines
Supercharging is the process of supplying the intake air to the engine cylinder at a density ___ the density of the surrounding atmosphere.

Greater than
None of the listed here
Less than
Equal to

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Internal Combustion Engines
Gaseous fuel guarantees are based on

Mean heat value of oil
Calorific value of oil
Low heat value of oil
High heat value of oil

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Internal Combustion Engines
The reason for supercharging in any engine is to

Effect fuel economy
Increase power
Reduce weight and bulk for a given output
Increase efficiency

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MORE MCQ ON Internal Combustion Engines

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