Automobile Engineering in ME
The function of an alternator in an automobile is to

Supply electric power
Continually recharges the battery
Converts mechanical energy into electrical energy
Partly converts engine power into electric power

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

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
Feeds blow by gases to the exhaust manifold

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