Automobile Engineering in ME
The main task of a battery in automobiles is to

Supply a large amount of power to turn the starter motor when the engine is being started
Supply electricity to the vehicle's electrical system at all times while the engine is running
Act as a reservoir or stabilizer of electricity
Supply electricity to the alternator

ANSWER DOWNLOAD EXAMIANS APP

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

Mixes fuel with air
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

ANSWER DOWNLOAD EXAMIANS APP