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Internal Combustion Engines

Internal Combustion Engines
The temperature of interior surface of cylinder wall in normal operation is not allowed to exceed

180°C
240°C
120°C
80°C

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Internal Combustion Engines
It the temperature of intake air in IC engines is lowered, then its efficiency will

Decrease
Increase
Remain same
Increase up to certain limit and then decrease

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Internal Combustion Engines
The cetane (C₁₆H₃₄) which is a straight chain paraffin, is assigned a cetane number of

100
120
0
50

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Internal Combustion Engines
A diesel engine, during suction stroke, draws

None of these
Diesel only
A mixture of diesel and air
Air only

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Internal Combustion Engines
As a result of detonation in an I.C. engine, following parameter attains very high value

Peak pressure
Rate of rise of temperature
Rate of rise of pressure
Peak temperature

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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

0.62569444444444
0.75069444444444
0.50069444444444
0.37569444444444

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MORE MCQ ON Internal Combustion Engines

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