wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

charging system

Total questions: 43

Worksheet time: 22mins

Name
Class
Date
1.
The alternator is a device for changing mechanical energy into _____ energy.
a)
potential
b)
chemical
c)
thermal
d)
electrical
2.
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. Who is right?
a)
Technician A Only
b)
Technician B Only
c)
Both Technician A and B
d)
Neither Technician A nor B
3.
An alternator _____ consists of field windings mounted on a shaft.
a)
stator
b)
rotor assembly
c)
rectifier bridge
d)
diode trio
4.
Alternator brushes ride on _____ to feed current to the field windings.
a)
bearings
b)
fan teeth
c)
slip rings
d)
hair
5.
The alternator _____ changes alternating current into direct current.
a)
transistor
b)
stator
c)
rectifier
d)
regulator
6.
An alternator _____ consists of three groups of windings and produces the electrical output of the alternator.
a)
transistor
b)
stator
c)
rectifier
d)
regulator
7.
A voltage regulator controls alternator output by changing the amount of current flowing through the _____.
a)
field windings
b)
battery cable
c)
fusebox
d)
diode
8.
The alternator current must be _____ into direct current before entering the vehicle’s electrical system.
a)
forward biased
b)
reverse biased
c)
rectified
d)
inverted
9.
The voltage regulator keeps alternator output at a preset charging voltage of approximately _____ to _____ volts.
a)
12-14
b)
12-16
c)
12.0-12.6
d)
13-15
10.
Alternator _____ and electrical _____ determine whether the regulator increases or decreases charging output.
a)
size, shape
b)
speed, load
c)
load, speed
d)
brand, strength
11.
Which of the following is not a component of a typical 12-volt charging system?
a)
voltage regulator
b)
drive belt
c)
battery
d)
ignition switch
12.
The component that is turned by the alternator drive belt and creates a rotating magnetic field is the:
a)
pulley
b)
rotor
c)
stator
d)
diode trio
13.
Which of the following is not a type of alternator belt?
a)
V.
b)
Ribbed
c)
Cogged V.
d)
Integrated.
14.
Which of the following components do hybrid vehicles use to recharge the HV battery?
a)
Hybrid control module.
b)
Voltmeter
c)
HV power control module
d)
Motor-generator
15.
Technician A says some overcharging is okay. Technician B says overcharging can result inbattery overheating. Who is right?
a)
Technician A Only
b)
Technician B Only
c)
Both Technician A and B
d)
Neither Technician A nor B
16.
The _____ is an ammeter, voltmeter, or warning light that informs the driver of charging system condition.
a)
charge indicator
b)
DVOM
c)
tachometer
d)
resistor branch
17.

A battery high rate discharge (load capacity) test is being performed on a 12-volt battery. Technician A says that a good battery should have a voltage reading higher than 9.6 volts while under load at the end of the 15-second test. Technician B says that a battery should be discharged (loaded to two times its CCA rating). which technician is correct

a)

Tech A

b)

Tech B

c)

Both techs are correct

d)

Neither tech is correct

18.

When Jump Starting a vehicle, _____________.

a)

The last connection should be the positive post of the dead battery

b)

The last connection should be the engine block of the dead battery

c)

The last connection should be the negative post of the dead battery

d)

The last connection should be the engine block of the good battery

e)

t

19.

Starters rotate the engine by a ______________.

a)

Drive Belt

b)

Gear

c)

Chain

d)

Shaft from the engine crankshaft

20.

The engine will not start if ________________.

a)

The gear selector is in "D"

b)

The gear selector is in "R"

c)

The gear selector is in "L"

d)

Any of these situations

21.

Alternators are driven by a _____________.

a)

Drive Belt

b)

Gear

c)

Chain

d)

Shaft from the crankshaft

22.

When measuring battery voltage, set the meterto read...

a)

AC Volts

b)

DC Volts

c)

Hertz (Hz)

d)

Amperes (A)

23.

Which battery rating is used mostly when testing a battery to see if it is performing normally? (be careful!)

a)

Cranking Amps(CA)

b)

Cold Cranking Amps(CCA)

c)

Ampere-Hour Rating(Ah)

d)

Reserve Capacity(RC)

24.
Each of the following is a basic part of the starting system except the ____.
a)
solenoid
b)
inverter
c)
ignition switch
d)
starting motor
25.
Which of the following terms describes a starter solenoid?
a)
Rectified contactor
b)
High-current relay
c)
Amplitude-modulated diode
d)
Shunt-wound motor
26.
The starter pinion gear engages the ____ to “crank” the engine.
a)
harmonic balancer
b)
cam gear
c)
flywheel gear
d)
crankshaft gear
27.
To prevent an engine from cranking while the vehicle is in gear, a ____ is commonly used.
a)
selector safety switch
b)
lockout actuator
c)
neutral safety switch
d)
shift interlock unit
28.
A starting motor typically draws less amperage than any other automotive electrical component.
a)
True
b)
False
29.
A quick method of checking circuit resistance without disconnecting wires is the ____ test.
a)
amperage value
b)
ohm gain
c)
voltage drop
d)
ground integrity
30.
When conducting an insulated circuit resistance test, any reading higher than _____V indicates excess resistance in the circuit.
a)
.1
b)
.5
c)
.8
d)
1.0
31.
To be usable in an automotive electrical system, the ac output of the alternator must be ____ into dc.
a)
biased
b)
relayed
c)
stratified
d)
rectified
32.
To properly charge the vehicle battery, alternator output is typically ____ volts.
a)
less than 12
b)
13-15
c)
16-20
d)
more than 20
33.
A very frequent cause of alternator failure is ____.
a)
a faulty diode
b)
worn brushes
c)
an open stator winding
d)
dry bearings
34.
During a 12-volt charging system voltmeter test, all electrical accessories are on when checking ____ voltage.
a)
base
b)
load
c)
no-load
d)
AC
35.
The starter relay allows a smaller current flow (from the ignition switch) to control a larger current flow (to the starter solenoid).
a)
True
b)
False
36.
A magnetic field is generated around a wire that carries electrical current.
a)
True
b)
False
37.
You should always remove the battery before removing starting system parts.
a)
True
b)
False
38.
An alternator fan cools windings and diodes to prevent overheating and damage.
a)
True
b)
False
39.
An electronic voltage regulator cannot be repaired.
a)
True
b)
False
40.
A fully charged battery will produce a voltage reading of 12.6 volts.
a)
True 
b)
False
41.
The ohmmeter is the most common testing tool used when the alternator is disassembled.
a)
True
b)
False
42.
In a magnet, charges that are unlike will _________ each other.
a)
Attract
b)
Repel
c)
text
d)
fight
43.
Which of the following tests measures the number of amps used by a starting system?
a)
Starter ground circuit test
b)
insulated circuit resistance test
c)
All of these
d)
starter current draw test