Automotive Basic Electrical Knowledge Check

Technician A says this battery is maintenance free. Technician B says that you should fill a battery with tap water only. Who is correct?

• Technician A

• Technician B

• Both

• Neither

Battery acid is also referred to as ________.

• Electronic Acid

• Hydraulic Acid

• Battery Juice

• Electrolyte

Which metal is a battery terminal made of?

• Lead

• Brass

• Aluminum

• Steel

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.

What is the primary function of a car battery?

• To store electrical energy

• To convert mechanical energy to electrical energy

• To regulate the engine temperature

• To provide fuel to the engine

Which component in a car is responsible for converting mechanical energy into electrical energy?

• Alternator

• Battery

• Starter Motor

• Distributor

What is the typical voltage of a fully charged car battery?

• 6 volts

• 9 volts

• 12 volts

• 24 volts

Which of the following is a common symptom of a failing alternator?

• Engine overheating

• Dim headlights

• Excessive fuel consumption

• Loud exhaust noise

What is the role of a fuse in an automotive electrical system?

• To increase current flow

• To protect the circuit from overload

• To store electrical energy

• To convert AC to DC

Which type of current does a car battery provide?

• Alternating Current (AC)

• Direct Current (DC)

• Pulsating Current

• Static Current