Automotive Electrical

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

• 3

• 6

• 9

• 12

How many volts should a fully charged automotive battery have?

• 12.6

• 6.6

• 24.6

• 18.6

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

• Yellow

• Red

• Orange

• Green

When Jump Starting a vehicle, _____________.

• The last connection should be the positive post of the dead battery

• The last connection should be the engine block of the dead battery

• The last connection should be the negative post of the dead battery

• The last connection should be the engine block of the good battery

• t

Alternators are driven by a _____________.

• Drive Belt

• Gear

• Chain

• Shaft from the crankshaft

Tech A says connecting 2 batteries in parallel will supply 24 volts. Tech B says connecting 2 batteries in series will supply 24 volts. Who is correct?

• Tech A

• Tech B

• Both Techs

• Neither Tech

A customer complains that the right turn signal is inoperative but the left works correctly. What is the most likely cause?

• An open wire in the right turn signal circuit

• A defective turn signal flasher

• A blown right turn signal bulb

• A short to ground in the right turn signal circuit

A fully charged 12-volt automotive battery should have an open-circuit voltage of:

• 12.0 volts

• 12.3 volts

• 12.6 volts

• 14.6 volts

Tags

NGSS.HS-PS2-5

What supplies electrical power to the vehicle while the engine is running?

• ABS module

• alternator

• computer

• starter

What is the primary function of an alternator in a vehicle?

• To start the engine

• To charge the battery and power the electrical system

• To control the air conditioning system

• To provide fuel to the engine