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Unit 5 Alternator

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

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

a)

To start the engine

b)

To keep the battery voltage maintained when the car is running

c)

To keep the engine running

d)

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

2.

Which one of these best describes function of the alternator?

a)

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

b)

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

c)

Wiring that connects the parts of the system.

d)

Large device that stores electricity for use later on

3.

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

a)

True

b)

False

4.

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

a)

True

b)

False

5.

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

a)

Fuse

b)

Diode

c)

Photocell

d)

Multi-meter

6.

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

a)

Transform the AC voltage from the alternator into DC voltage

b)

Transform the DC voltage from the alternator into AC voltage

7.

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

a)

The input voltage is Alternating Current

b)

The output voltage is Positive voltage

c)

The input voltage is Positive Only

d)

The output voltage is Direct current

8.

The alternator rotor spins inside the alternator stator.

a)

True

b)

False

9.

The alternator stator produces the electrical output. (True/False)

a)

True

b)

False

10.

What is the purpose of the Voltage Regulator? Select all that are correct. 

a)

Convert AC voltage to DC voltage

b)

Control alternator output voltage

c)

Prevent overcharging 

d)

Regulate battery voltage based on load