Automobile Engineering in ME
The major purpose of an electronically controlled automatic transmission is that this type of transmission

Eliminates the gear shaft lever
Reduces shift shock and achieves more efficient transmission of engine torque
Eliminates gear clutches
Reduces the number of automatic transmission components

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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 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
The tread grooves pass air between the tyre and road surface, thereby preventing tyre from overheating

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

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

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Automobile Engineering in ME
In bias ply tyres

All plies run parallel to one another
All of these
Belts of steel mesh are used in the tyres
One ply layer runs diagonally one way and another layer runs diagonally the other way

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