IT11 - Electrical Unit Pre-Quiz

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