Free CPT Electrical Components & Troubleshooting Questions and Answers

Question 1

Which tool is used to measure voltage, current, and resistance in automotive circuits?

Accepted Answer

Multimeter

Answer

Scan tool

Answer

Test light

Answer

Timing light

Question 2

A blown fuse typically indicates:

Accepted Answer

Circuit has a short or overload

Answer

Battery is fully charged

Answer

Starter is functioning properly

Answer

Alternator is working normally

Question 3

What does an open circuit mean?

Accepted Answer

No current is flowing

Answer

Current flows without resistance

Answer

Circuit is functioning normally

Answer

High voltage is present

Question 4

Which component stores electrical energy for vehicle startup?

Accepted Answer

Battery

Answer

Alternator

Answer

Starter motor

Answer

Fuse

Question 5

A dim headlight on one side of the vehicle most likely indicates:

Accepted Answer

Poor ground connection

Answer

Blown headlight fuse

Answer

Faulty alternator

Answer

Battery is dead

Question 6

What is the role of a relay in an electrical circuit?

Accepted Answer

Act as a switch for high current

Answer

Increase voltage

Answer

Store energy

Answer

Measure resistance

Question 7

A parasitic draw test is performed to identify:

Accepted Answer

Excessive battery drain

Answer

Charging system issues

Answer

Poor alternator performance

Answer

Engine knocking noise

Question 8

What is typically the cause of a flickering dashboard light?

Accepted Answer

Faulty wiring or loose connections

Answer

Worn spark plugs

Answer

Low tire pressure

Answer

Oil change needed

Question 9

Which symbol in a wiring diagram represents a ground connection?

Accepted Answer

Triangle pointing down

Answer

Circle with a plus sign

Answer

Zig-zag line

Answer

Arrow pointing upward