Charging System Technology Flashcard

Front

The alternator is a device for changing mechanical energy into _____ energy.

Back

electrical

Front

Who is right regarding the power supply in a car: Technician A believes that once an engine starts running, the engine crankshaft pulley powers the alternator to supply electricity to a car’s electrical systems. Technician B feels a battery is a car’s sole electrical supplier?

Back

Technician A Only

Front

An alternator _____ consists of field windings mounted on a shaft.

Back

rotor assembly

Front

Alternator brushes ride on _____ to feed current to the field windings.

Back

slip rings

Front

The alternator _____ changes alternating current into direct current.

Back

rectifier

Front

An alternator _____ consists of three groups of windings and produces the electrical output of the alternator.

Back

stator

Front

Technician A says alternator rear bearings are frequently held in place with a small plate and screws. Technician B says alternator front bearings are usually press-fit. Who is right?

Back

Neither Technician A nor B

Front

A voltage regulator controls alternator output by changing the amount of current flowing through the _____?

Back

field windings

Front

The alternator current must be _____ into direct current before entering the vehicle’s electrical system.

Back

rectified

Front

The voltage regulator keeps alternator output at a preset charging voltage of approximately _____ to _____ volts.

Back

13-15