Automobile Engineering in ME
The heat transfer from coolant to air in the radiator of an automobile engine takes place by

Radiation only
Convection and radiation
Convention only
Conduction, convection and radiation

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

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

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