Automobile Engineering in ME
The main task of a battery in automobiles is to

Supply a large amount of power to turn the starter motor when the engine is being started
Supply electricity to the alternator
Act as a reservoir or stabilizer of electricity
Supply electricity to the vehicle's electrical system at all times while the engine is running

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Automobile Engineering in ME
The function of anti-lock brake system (ABS) is that is

Reduces the stopping distance
Maintains directional control during braking by preventing the wheels from locking
Prevents nose dives during braking and thereby postpones locking of the wheels
Minimizes the brake fade

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Automobile Engineering in ME
An imbalance wheel during vehicle operation

Creates a standing wave
Deflects in the vehicle's longitudinal direction
Bounces vertically or deflects from side to side (as seen from front or rear)
Makes large noise when its heavy point hits the road surface

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