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 crankcase dilution means

Dilution of lubrication oil by fuel in the crankcase D. Dilution
Dilution of oil by water in the crankcase
Dilution of fuel in the crankcase
Dilution of mixture passing through crankcase in two stroke engines

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Automobile Engineering in ME
The ball joints are used on the tie rod ends, because they

Reduce the amount of noise generated
Can deal with movement of the suspension both vertically and in other directions
Improve the force transmission speed
Reduce the amount of sliding resistance

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