Automobile Engineering in ME
The condition that results in large quantities of CO emission is

High temperature combustion
Insufficient fuel during combustion
Low temperature combustion
Insufficient air during combustion

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Automobile Engineering in ME
The ignition in a spark ignition engine takes place when the piston is

Approaching the T.D.C position on its exhaust stroke
Approaching the T.D.C. position on its compression stroke
Exactly at the T.D.C. position on its compression stroke
Leaving the T.D.C. position on its compression stroke

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