Automobile Engineering in ME
The brake pedal during ABS operation

Transmits slight kickback to the driver's foot
Is pushed upward forcefully
All of these
Pedal stroke becomes longer

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Automobile Engineering in ME
The basic purpose of a four wheel drive (4WD) system is that it

Delivers improved cornering on dry road surfaces
Ensures that effective braking can be performed, even on slippery surfaces
Ensures effective transmission of engine torque to all four wheels, even on slippery road surfaces
Eliminates the need of snow tyres, tyre chains, etc.

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Automobile Engineering in ME
The function of positive crankcase ventilation (PCV) system is that it

Feeds blow by gases to the exhaust manifold
Returns blow by gases from the crankcase to the intake system
Promotes combustion by creating a swirling movement in the air-fuel mixture
Mixes fuel with air

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Automobile Engineering in ME
The ignition in a spark ignition engine takes place when the piston is

Approaching the T.D.C. position on its compression stroke
Leaving the T.D.C. position on its compression stroke
Exactly at the T.D.C. position on its compression stroke
Approaching the T.D.C position on its exhaust stroke

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Automobile Engineering in ME
The purpose of a balancer shaft is to

Balance the timing in the movement of the two groups of pistons
Reduce vibrations caused by the crankshaft rotation
Adjusts the timing of the intake and exhaust valve openings
Increase inertia force of the rotating crankshaft

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