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

High atmospheric temperature combustion
Low temperature combustion
High temperature combustion
Incomplete combustion

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Automobile Engineering in ME
The crankcase dilution means

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

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