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

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

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Automobile Engineering in ME
Which one of the following statements correctly describes the construction of a planetary gear type differential?

Each planetary pinion gear meshes with both the central gear and the internal gear.
The internal gear is fixed to the planetary gear.
One drive shaft is splined to the central gear and the other to the planetary gear.
The six planetary pinions rotate in constant mesh with the internal gears.

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