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Internal Combustion Engines

Internal Combustion Engines
Iso-octane (C₈H₁₈) has octane number of

100
0
50
120

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Internal Combustion Engines
Engine pistons are usually made of aluminium alloy because it

Wear is less
Absorbs shocks
Is stronger
Is lighter

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Internal Combustion Engines
Alpha-methyl-naphthalene (C11H10) has a cetane number of

0
120
100
50

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

Not run
Run at high speed
Explode
Run more efficiently

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Internal Combustion Engines
The colour of exhaust from diesel engine is generally

Violet
Black
Bluish
White

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

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

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MORE MCQ ON Internal Combustion Engines

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