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Worksheets

Automotive Electrical Fundamentals

Total questions: 34

Worksheet time: 22mins

Name
Class
Date
1.

What gas is expelled from an automotive battery during charging and discharging?

a)

Freon

b)

Hydrogen

c)

Acetone

d)

Oxygen

2.

How many volts are in 1 cell of a standard 12 Volt automotive battery?

a)

12

b)

1.2

c)

2.1

d)

21

3.

Battery acid is also referred to as ________.

a)

Electronic Acid

b)

Hydraulic Acid

c)

Battery Juice

d)

Electrolyte

4.

How many volts should a fully charged automotive battery have?

a)

12.6

b)

6.6

c)

24.6

d)

18.6

5.

What specialty tool is used to remove stubborn battery cables from battery terminals?

a)

Battery Pliers

b)

Battery Pry Bar

c)

Battery Puller

d)

Battery Carrier

6.

When connecting a battery charger, which lead should be connected last?

a)

Positive

b)

Negative

7.

The gas that surrounds a battery during charging and discharging is explosive.

a)

True

b)

False

8.

Which metal is a battery terminal made of?

a)

Lead

b)

Brass

c)

Aluminum

d)

Steel

9.

How many cells does a standard 12 volt automotive battery have?

a)

3

b)

6

c)

9

d)

12

10.

Did you enjoy using quizizz?

a)

Yes! I loved it!

b)

Kinda

c)

I'm not sure

d)

No this was no fun at all :(

11.

Which color wire should you never touch on a hybrid vehicle without the proper safety equipment and training?

a)

Yellow

b)

Red

c)

Orange

d)

Green

12.

In a vehicle, Usually the common main source of direct current for automotive electric load is?

a)

6 volts battery

b)

8 volts battery

c)

10 volts battery

d)

12 volts battery

13.

The main task of battery in automobile is to

a)

Supply electricity to the alternator

b)

Act as a reservoir or stabilizer of electricity

c)

Supply electricity to the vehicle&electrical system at all times while the engine is running

d)

Supply a large amount of power to turn the starter motor when the engine is being started

14.

At the start of the engine, the charging voltage is _______

a)

Lower

b)

Higher

c)

Same

d)

Zero

15.

The starting system includes

a)

A battery, a starter, and an ignition switch

b)

A battery, a distributor, and an ignition switch

c)

A battery, a starter, and a distributor

d)

A distributor, a starter, and an ignition switch

16.

The distributor serves the following purposes in the ignition system

a)

It operates break and make mechanism

b)

It distributes high tension current to spark plug at correct time

c)

Both A and B

d)

None

17.

A type of an engine that uses spark plug to burn the air and fuel mixture.

a)

Gasoline Engine

b)

Diesel Engine

c)

Internal combustion engine

d)

external combustion Engine

18.

What tools is this?

a)

Open wrench

b)

Combination Wrench

c)

Adjustable wrench

d)

Cross rim wrench

19.

Names this pedals in a proper sequence.

a)

Pause,stop and play

b)

Clutch, brake and accelerator

c)

Brake, clutch and accelerator

d)

Play, pause and Stop

20.

Before testing a charging system, the vehicle must have

a)

a fully charge battery

b)

a well-tuned engine

c)

proper ignition timing

d)

a discharged battery

21.

When replacing a open(blown)fuse,

a)

one of a higher capacity is acceptable

b)

one of the same capacity should be used

c)

one of a lesser capacity is preferred

d)

a jumper wire can be substituted

22.

When replacing electrical components,

a)

disconnect the battery ground cable

b)

disable the ignition system

c)

use only insulated wrenches

d)

isolate the alternator to prevent damage

23.

A car MUST generally be moving at a minimum speed of__________ MPH to engage the factory cruise control system.

a)

50

b)

40

c)

30

d)

20

24.

When charging a battery

a)

the battery temperature must not exceed 125 degrees F

b)

a three minute charge test is sufficient

c)

a car must be running

d)

it must be removed from the vehicle

25.

spark plugs

a)
b)
c)
d)
26.

Which household item can you use to clean battery corrosion?

a)
b)
c)
d)
27.
The alternator is a device for changing mechanical energy into _____ energy.
a)
potential
b)
chemical
c)
thermal
d)
electrical
28.
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
29.
An alternator _____ consists of field windings mounted on a shaft.
a)
stator
b)
rotor assembly
c)
rectifier bridge
d)
diode trio
30.
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
31.
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
32.

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

a)

AC Volts

b)

DC Volts

c)

Hertz (Hz)

d)

Amperes (A)

33.

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)

34.
Each of the following is a basic part of the starting system except the ____.
a)
solenoid
b)
inverter
c)
ignition switch
d)
starting motor