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Internal Combustion Engines

Internal Combustion Engines
The thermal efficiency of petrol and gas engines is about

0.7
0.15
0.5
0.3

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Internal Combustion Engines
The air requirement of a petrol engine during starting compared to theoretical air required for complete combustion is

May be more or less depending on engine capacity
Same
Less
More

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Internal Combustion Engines
The thermal efficiency of diesel engines on weak mixtures is

Lower
Unaffected
Higher
Dependent on other factors

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Internal Combustion Engines
A two stroke cycle engine gives ________ the number of power strokes as compared to the four stroke cycle engine, at the same engine speed.

Half
Same
Double
Four times

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Internal Combustion Engines
In a four stroke cycle petrol engine, the charge is ignited at

30° before top dead center
30° before bottom dead center
30° after bottom dead center
30° after top dead center

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Internal Combustion Engines
In the opposed piston diesel engine, the combustion chamber is located

Above the piston
Between the pistons
Below the piston
There is no such criterion

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MORE MCQ ON Internal Combustion Engines

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