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

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

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Automobile Engineering in ME
The main function of the tread pattern on tyre is that

The tread pattern protects the tyre's inner carcass from small stones and pieces of glass
The tread grooves pass air between the tyre and road surface, thereby preventing tyre from overheating
The crests between the tread grooves absorb road noise
In wet conditions, the tread grooves expel water that is drawn between the tyre and road surface

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