Automotive Basic Electrical Knowledge Check

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

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 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

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

• ABS module

• alternator

• computer

• starter

A lead-acid battery with removable caps should be filled with only:

• carbonated water.

• distilled water.

• sulfuric acid.

• tap water.

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