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

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

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Automobile Engineering in ME
The main task of a battery in automobiles is to

Supply electricity to the alternator
Supply electricity to the vehicle's electrical system at all times while the engine is running
Supply a large amount of power to turn the starter motor when the engine is being started
Act as a reservoir or stabilizer of electricity

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