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

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

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Automobile Engineering in ME
The path taken by intake air is

Air cleaner carburettor (or throttle body) intake ports intake manifold cylinders
Carburettor (or throttle body) air cleaner intake manifold intake ports cylinders
Air cleaner carburettor (or throttle body) intake manifold intake ports cylinders
Air cleaner intake manifold carburettor (or throttle body) intake ports cylinders

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Automobile Engineering in ME
The drive-shafts are connected to the differential and wheel hubs through universal joints because the universal joints

None of these
Absorb the vibrations transferred from the surface of the road
Absorb any difference in speed between the left and right wheels when the vehicle is turning
Compensate for variations in the relative positions of the differential and the wheels which result from bumpy road surfaces or other similar driving conditions.

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