Automobile Engineering in ME
The engine oil viscosity is defined by ___________ ratings.

Gross vehicle weight (GVW)
American petroleum institute (API)
Automatic transmission fluid (ATF)
Society of automotive engineers (SAE)

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Automobile Engineering in ME
The crankcase dilution means

Dilution of oil by water in the crankcase
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

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