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WorksheetsAutomotive Electrical Fundamentals
Total questions: 34
Worksheet time: 22mins
What gas is expelled from an automotive battery during charging and discharging?
Freon
Hydrogen
Acetone
Oxygen
How many volts are in 1 cell of a standard 12 Volt automotive battery?
12
1.2
2.1
21
Battery acid is also referred to as ________.
Electronic Acid
Hydraulic Acid
Battery Juice
Electrolyte
How many volts should a fully charged automotive battery have?
12.6
6.6
24.6
18.6
What specialty tool is used to remove stubborn battery cables from battery terminals?
Battery Pliers
Battery Pry Bar
Battery Puller
Battery Carrier
When connecting a battery charger, which lead should be connected last?
Positive
Negative
The gas that surrounds a battery during charging and discharging is explosive.
True
False
Which metal is a battery terminal made of?
Lead
Brass
Aluminum
Steel
How many cells does a standard 12 volt automotive battery have?
3
6
9
12
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Which color wire should you never touch on a hybrid vehicle without the proper safety equipment and training?
Yellow
Red
Orange
Green
In a vehicle, Usually the common main source of direct current for automotive electric load is?
6 volts battery
8 volts battery
10 volts battery
12 volts battery
The main task of battery in automobile is to
Supply electricity to the alternator
Act as a reservoir or stabilizer of electricity
Supply electricity to the vehicle&electrical system at all times while the engine is running
Supply a large amount of power to turn the starter motor when the engine is being started
At the start of the engine, the charging voltage is _______
Lower
Higher
Same
Zero
The starting system includes
A battery, a starter, and an ignition switch
A battery, a distributor, and an ignition switch
A battery, a starter, and a distributor
A distributor, a starter, and an ignition switch
The distributor serves the following purposes in the ignition system
It operates break and make mechanism
It distributes high tension current to spark plug at correct time
Both A and B
None
A type of an engine that uses spark plug to burn the air and fuel mixture.
Gasoline Engine
Diesel Engine
Internal combustion engine
external combustion Engine
What tools is this?
Open wrench
Combination Wrench
Adjustable wrench
Cross rim wrench
Names this pedals in a proper sequence.
Pause,stop and play
Clutch, brake and accelerator
Brake, clutch and accelerator
Play, pause and Stop
Before testing a charging system, the vehicle must have
a fully charge battery
a well-tuned engine
proper ignition timing
a discharged battery
When replacing a open(blown)fuse,
one of a higher capacity is acceptable
one of the same capacity should be used
one of a lesser capacity is preferred
a jumper wire can be substituted
When replacing electrical components,
disconnect the battery ground cable
disable the ignition system
use only insulated wrenches
isolate the alternator to prevent damage
A car MUST generally be moving at a minimum speed of__________ MPH to engage the factory cruise control system.
50
40
30
20
When charging a battery
the battery temperature must not exceed 125 degrees F
a three minute charge test is sufficient
a car must be running
it must be removed from the vehicle
spark plugs
Which household item can you use to clean battery corrosion?
When measuring battery voltage, set the meterto read...
AC Volts
DC Volts
Hertz (Hz)
Amperes (A)
Which battery rating is used mostly when testing a battery to see if it is performing normally? (be careful!)
Cranking Amps(CA)
Cold Cranking Amps(CCA)
Ampere-Hour Rating(Ah)
Reserve Capacity(RC)
