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

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

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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

Compensate for variations in the relative positions of the differential and the wheels which result from bumpy road surfaces or other similar driving conditions.
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
None of these

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