Automobile Engineering in ME
A basic difference between the spark ignition engine and the Diesel engine is that the

Air temperature ignites the fuel in the Diesel engine
All of these
Diesel engine compresses air alone instead of an air-fuel mixture
Fuel is sprayed into the combustion chamber in the Diesel engine as the piston nears T.D.C. on the compression stroke

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

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

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