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batteries

Total questions: 61

Worksheet time: 22mins

Name
Class
Date
1.

What do batteries do?

a)

Store electricity

b)

Store lightning

c)

Explode

2.

Batteries can store electricity forever.

a)

True

b)

False

3.

Which device uses this?

a)

Torch

b)

Car

c)

Watch

4.
The process of the rotating rotor inside the windings of the stator produce
a)
Delta charge
b)
Direct current
c)
Rectification
d)
Alternating current
5.

What are the rotating windings within an alternator known as?

a)

Stator

b)

Rotor

c)

Delta

d)

Voltage regulator

6.

What is the component of an alternator that switches output from AC to DC

a)

Rectifier pack

b)

Voltage stabilizer

c)

Rotor

d)

Delta

7.

The Alternator Cooling Fan can be made from the following material

a)

Aluminium

b)

Plastic

c)

Steel

d)

All of the above

8.

How does an alternator work.

a)

Convert mechanical energy to chemical energy

b)

Convert chemical energy to mechanical energy

c)

Convert electrical energy to mechanical energy

d)

Convert mechanical energy to electrical energy

9.

Type of current in your house

a)

direction (DC)

b)

direct current (DC)

c)

alternating current (AC)

d)

electrodes

10.

Charges that flow in the same direction

a)

alternating current

b)

direct current

c)

electric current

d)

cell

11.

Battery cell is made up of positive plates, negative plates, straps, and separators. Each cell supplies _______ volts DC

a)

2.2 Volts

b)

1.9 Volts

c)

3.1 Volts

d)

2.1 Volts

12.

___________ water is used in batteries because it dose not contain impurities found in tap water.

a)

Potable water

b)

Tap Water

c)

Distilled Water

d)

Garden Hose Water

13.

Hydrogen gas is _________, and will ignite with a spark.

a)

Safe

b)

Explosive

c)

No eye wear protection needed.

d)

Visible

14.

Maintenance free battery does not have removable filler caps, it is sealed.

a)

Correct

b)

Incorrect

15.

The battery case is made of high-quality plastic, which holds the elements and electrolyte. Who is correct Technician A or Technician B?

a)

Technician A says this is Correct

b)

Technician B says Incorrect

c)

Neither Technician are correct

d)

Both Technicians are correct

16.

Battery Plates - Are made of lead and lead oxide. True or false?

a)

True

b)

False

c)

I dont knpw

d)

maybe

17.

Electrolyte is a mixture of sulfuric acid and water. Anytime water is needed distilled water should be used. Who is correct?

a)

Technician A says this is not correct.

b)

Technician B says this is correct

c)

Technician C says they should be filled with potable water.

d)

Technician D says they should be filled with tap water.

18.

Always, always, it is mandatory cause batteries can explode. Safety glasses is a priority to protect your eyes when servicing a 12.6 battery. True or False?

a)

True

b)

False

c)

not true

d)

maybe

19.

Which way do electrons flow?

a)

Positive to negative

b)

Negative to positive

c)

Negative to Negative

d)

Positive to Positive

20.

Which way do electrons flow?

a)

Positive to negative

b)

Negative to positive

c)

Negative to Negative

d)

Positive to Positive

21.

What did we learn last week?

a)

Electricity

b)

Battery

c)

Earthquake

22.

Which of the following is not a part of brushless alternator?

a)

Stator Windings

b)

AVR

c)

Slip rings

d)

Rotating rectifier assembly

23.

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

24.
How drive is transmitted to alternator from Crankshaft by
a)
Camshft
b)
Vee belt
c)
Linkages
d)
Return springs
25.
The process of the rotating rotor inside the windings of the stator produce
a)
Delta charge
b)
Direct current
c)
Rectification
d)
Alternating current
26.
A stator has three sets of these
a)
Deltas
b)
Rotors
c)
Windings
d)
Vee belts
27.
Stator windings are wired in configurations of either star or
a)
Rotor
b)
Delta
c)
Triangle
d)
Cubic
28.

What is the component of an alternator that switches output from AC to DC

a)

Rectifier pack

b)

Voltage stabilizer

c)

Rotor

d)

Delta

29.

............... are used in Alternators to make a continuous electrical connection between Carbon Brushes and Rotor Winding

a)

Slip Rings

b)

Split Rings

c)

Split Pin

d)

Slip Pin

30.

the process of converting AC to DC is called

a)

Rectification

b)

Alternation

c)

Phasing

d)

Conversion

31.

As the speed of an alternator increases, the frequency

a)

Increases

b)

Decreases

c)

Remains constant

d)

May increase or decrease depending on the power factor

32.

The rotor of alternator has

a)

No slip rings

b)

2 slip rings

c)

3 slip rings

d)

4 slip rings

33.

Alternators can not charge batteries

a)

true

b)

false

34.

AC alternators generate

a)

direct current

b)

alternating current

35.

Alternators use

a)

straight movement

b)

rotating movement

36.

The component of the alternator that moves is called

a)

Stator

b)

Rotator

37.

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)

38.

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

39.

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

a)

True

b)

False

40.

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

a)

True

b)

False

41.

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

42.

The alternator rotor spins inside the alternator stator.

a)

True

b)

False

43.

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

a)

True

b)

False

44.

On the common Voltage Rectifier how many diodes are used to convert AC to DC?

a)

2

b)

4

c)

6

d)

8

45.

Why does an alternator use a internal or external fan?

a)

To keep the EPA happy

b)

To help cool the engine

c)

To cool off the diodes preventing damage

d)

To make the alternator cool looking

46.

The alternator pulley spins what part inside the alternator?

a)

The stator

b)

The rotor

c)

The voltage regulator

d)

The voltage rectifier

47.

The alternator is rotated by harnessing mechanical energy from the?

a)

The crankshaft pulley

b)

An external electric motor

c)

The battery

d)

Air spinning the fan on the alternator

48.

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 

49.

What are the three types of charge indicators? (Select all that are true)

a)

Warning Light

b)

Voltmeter Indicator

c)

Ammeter Indicator

d)

Ohmmeter Indicator

50.
With the engine running and full electrical load what would be the correct charging voltage.
a)
12Volts
b)
14.2 ohms
c)
14.2 Amps
d)
14.2 Volts
51.
Name this tool
a)
Torque Wrench
b)
Hydrometer
c)
Refractometer
d)
Coolant Pressure tester
52.
An object that allows electricity to flow through it is a
a)
resistance
b)
insulator
c)
conductor
d)
cotton
53.
The measure of how much a material opposes the flow of current is called
a)
conductor
b)
insulator
c)
electric field
d)
resistance
54.

Which of the following is an example of a resistor?

a)

battery

b)

light bulb

c)

wire

d)

switch

55.

Electric current that reverses its direction of flow in a regular pattern is...

a)

Voltage

b)

Direct Current

c)

Alternating Current

d)

Parallel Circuit

56.
Current that does NOT reverse direction is called ____. 
a)
magnetic current
b)
direct current
c)
circuit current
d)
alternating current
57.

Placing the two north poles of magnets together would result in which electromagnetic force?

a)

repulsion

b)

attraction

c)

polarity

d)

intransigence

58.

Lines of force emanating from a magnet are known as

a)

magnetic fields

b)

magnetic poles

c)

magnetic particles

d)

magic!

59.

A practical alternator consists of...

a)

an electromagnet rotating inside a coil of wire

b)

a coil of wire rotating between the poles of a stationary magnet

c)

magic!

d)

electrolytes and electrodes

60.
DC motors get powered from 
a)
alternators
b)
batteries
61.
Which part of an Electric motor acts as a current switching device
a)
stator
b)
rotor
c)
commutator 
d)
brushes

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