Automobile Engineering in ME
The effect of vapour locking on the brake performance is that the

Brakes function more effectively
Brakes fail completely
Vapour locking has no effect on brake performance
Brake operation is delayed after depression of the brake pedal

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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 alternator
Supply electricity to the vehicle's electrical system at all times while the engine is running
Act as a reservoir or stabilizer of electricity

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