WorksheetsCharging System Technology Quiz
Total questions: 20
Worksheet time: 40mins
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.
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?
a)
Technician A Only
b)
Technician B Only
c)
Both Technician A and B
d)
Neither Technician A nor B
8.
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
9.
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
10.
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
11.
Alternator _____ and electrical _____ determine whether the regulator increases or decreases charging output.
a)
size, shape
b)
speed, load
c)
load, speed
d)
brand, strength
12.
A(n) _____ may be used to measure battery temperature so the charging system can alter charging output as needed.
a)
thermometer
b)
battery thermistor
c)
barometer
d)
widget
13.
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
14.
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
15.
To reduce alternator output, the voltage regulator places more resistance between the:
a)
battery and the field windings.
b)
rotor and the stator
c)
alternator pulley and the stator
d)
alternator brushes and slip rings
16.
Which of the following is not a type of alternator belt?
a)
V.
b)
Ribbed
c)
Cogged V.
d)
Integrated.
17.
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
18.
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
19.
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
20.
The _____ is the percentage of time that current is fed to the alternator’s field windings.
a)
amperage rating
b)
duty cycle
c)
wattage
d)
I.D.10-T
100 %
