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

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

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Automobile Engineering in ME
It is necessary to maintain the valve clearances as they

Allow for lengthening of the valves owing to the heat of combustion
Reduce the resistance to sliding that occurs between the cam and the tappet
Make the crankshaft turn smoothly
Increase the speed at which the valves move up and down

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