ASE Mechanics Electrical & Electronic Systems

Question 1

What is the function of the alternator in a vehicle?

Accepted Answer

To generate electrical power and charge the battery

Answer

To start the engine

Answer

To cool the radiator

Answer

To regulate air conditioning

Question 2

Which component is responsible for delivering power to the spark plugs?

Accepted Answer

Ignition coil

Answer

Fuel injector

Answer

Radiator fan

Answer

Oil pump

Question 3

What is a common symptom of a failing battery?

Accepted Answer

Slow engine cranking and dim headlights

Answer

Bright headlights and quick starts

Answer

Increased fuel efficiency

Answer

Enhanced braking performance

Question 4

What does a vehicle’s fuse box protect?

Accepted Answer

Electrical circuits from overloads

Answer

The vehicle’s paint job

Answer

Fuel efficiency

Answer

Exhaust emissions

Question 5

Which diagnostic tool is commonly used to check vehicle electrical systems?

Accepted Answer

Multimeter

Answer

Tire pressure gauge

Answer

OBD-II scanner

Answer

Compression tester

Question 6

What is the primary purpose of relays in a vehicle’s electrical system?

Accepted Answer

To control high-power circuits with low-power signals

Answer

To increase fuel economy

Answer

To adjust tire pressure

Answer

To lubricate engine parts