Automobile Engineering in ME
The purpose of a balancer shaft is to

Reduce vibrations caused by the crankshaft rotation
Increase inertia force of the rotating crankshaft
Balance the timing in the movement of the two groups of pistons
Adjusts the timing of the intake and exhaust valve openings

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

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.
Each planetary pinion gear meshes with both the central gear and the internal gear.

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