Alternator Prelim

What is the purpose of the automotive charging system? Select all that are correct.

• To start the engine

• To keep the battery voltage maintained when the car is running

• To keep the engine running

• To power the accessories used inside the cabin (radio, wipers, and lights)

Which one of these best describes function of the alternator?

• Electric generator that uses mechanical (engine) power to produce electricity

• Ammeter, voltmeter, or warning light that warns the driver about charge condition

• Wiring that connects the parts of the system.

• Large device that stores electricity for use later on

True or False: An alternator produces a Alternating Current (AC).

• True

• False

True or False: Today's automobiles operate using direct current.

• True

• False

What is the name of an electrical device that only allows current flow in one direction. Otherwise known as a electrical check valve?

• Fuse

• Diode

• Photocell

• Multi-meter

What is the purpose of the diode in the charging system?

• Transform the AC voltage from the alternator into DC voltage

• Transform the DC voltage from the alternator into AC voltage

Based on the image above, which statement is true? (Mark all that are true)

• The input voltage is Alternating Current

• The output voltage is Positive voltage

• The input voltage is Positive Only

• The output voltage is Direct current

What parts of the alternator are found on the Alternator Rotor? Select all that are correct. (pg 536)

• Field Coil Winding

• Alternator Slip Rings

• Pole Pieces

• Voltage Rectifier

The alternator rotor spins inside the alternator stator.

• True

• False

The alternator brushes ride on the slip rings to make a electrical connection. (True/False)

• True

• False