NEW
Font size
WorksheetsElectrical Knowledge Test
Total questions: 15
Worksheet time: 7mins
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?
