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Internal Combustion Engines

Internal Combustion Engines
In order to prevent knocking in spark ignition engines, the charge away from the spark plug should have

All of these
Low temperature
Low density
Long ignition delay

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Internal Combustion Engines
In a petrol engine, if diesel is used, then the engine will

Run at high speed
Run more efficiently
Explode
Not run

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Internal Combustion Engines
In case of gas turbines, the gaseous fuel consumption guarantees are based on

Low heat value
High heat value
Calorific value
Net calorific value

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Internal Combustion Engines
Which of the following statement is correct regarding normal cetane?

It has long carbon chain structure
It is a standard fuel used for knock rating of diesel engines
All of these
Its chemical name is normal hexadecane

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

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

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

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

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MORE MCQ ON Internal Combustion Engines

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