WorksheetsIT11 - Electrical Unit Pre-Quiz
Total questions: 16
Worksheet time: 8mins
Why is it usually difficult to reset maintenance indicators on a vehicle?
The indicator automatically resets.
The indicator does not require resetting.
The customer can only reset the indicator.
It prevents accidental resets.
How many connections are required when jump-starting a vehicle using jumper cables?
1
2
3
4
When is the correct time to verify that all the instrument lights function properly?
when the key is first turned off and the engine is off
when the key is first turned on and the engine is off
while cranking the engine
while driving
What will happen if one fails to install a memory saver before disconnecting the battery?
The battery will short out.
One will be unable to restart the car.
The fuses will blow.
One will lose the radio settings.
When refilling battery cells, which is the correct product to use?
distilled water
hydrochloric acid
mineral water
tap water
Which is best suited for fully charging a completely discharged 12-volt battery?
Charge the battery for at least 1 hour by idling the engine.
Charge the battery for at least 30 minutes by racing the vehicle's engine.
Slow charge for 12 hours.
Fast charge for 30 minutes.
When handling HID headlight bulbs, which is a safety concern?
broken bones
chemical burns
cuts
electrocution
Before a starter is removed from an engine, it is important to:
disconnect the negative lead first from the battery.
disconnect the positive lead first from the battery.
disconnect the fuse.
disconnect the regulator.
Technician A says a specially designed wire brush is available to clean the terminals of a side-terminal battery. Technician B says that baking soda and water can be used to neutralize corrosion on battery terminals. Which is right?
A only
B only
Both A and B
Neither A nor B
What supplies electrical power to the vehicle when it is running?
ABS module
alternator
computer
starter
When windshield wiper blades are torn, which would be the correct fix?
No repair the blades is needed.
Clean the blades.
Replace the blades.
Resurface the blades' edges.
A fully charged 12-volt automotive battery should have an open-circuit voltage of:
12.0 volts.
12.3 volts.
12.6 volts.
12.9 volts.
A lead-acid battery with removable caps should be filled with only:
carbonated water.
distilled water.
sulfuric acid.
tap water.
Which part of the electrical system is designed to keep the circuit from being destroyed in case of a short?
bulb
fuse
sensor
wire
A customer complains the right rear brake light is out. What is the most likely cause?
A bad brake light switch
A broken wire
A short in the right rear tail lamp assembly
A bad bulb
During an exterior vehicle inspection, a rear stop light is found to be inoperative. Technician A says a blown bulb could be the cause. Technician B says that poor connection at the bulb socket could be the cause. Who is right?
A only
B only
Both A and B
Neither A nor B
