Automobile Engineering in ME
Incorrect steering axis inclination (S.A.I.) causes

The vehicle to pull to the side of lesser inclination
Generation of a braking effect at tight corners
Tendency to assume toe-out orientation
Poor recovery of the steering wheel after making a turn

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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

Absorb the vibrations transferred from the surface of the road
None of these
Absorb any difference in speed between the left and right wheels when the vehicle is turning
Compensate for variations in the relative positions of the differential and the wheels which result from bumpy road surfaces or other similar driving conditions.

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