TDC Vehicle Basics 2

Question 1

What is the primary function of a vehicle's alternator?

Accepted Answer

To charge the battery and power electrical systems while the engine runs

Answer

The alternator generates electricity to charge the battery and power electrical systems when the engine is running.

Question 2

How often should engine oil typically be changed for most passenger vehicles?

Accepted Answer

Every 5,000-10,000 km or as specified in the owner's manual

Answer

Most manufacturers recommend oil changes every 5,000-10,000 km.

Question 3

What does the Check Engine light on the dashboard indicate?

Accepted Answer

The vehicle's onboard diagnostic system has detected a fault

Answer

The Check Engine light indicates that the OBD system has detected a malfunction.

Question 4

What is the purpose of the vehicle's coolant system?

Accepted Answer

To maintain the engine at its optimal operating temperature

Answer

The coolant system circulates fluid through the engine to absorb excess heat and maintain optimal operating temperature.

Question 5

What does the term tire tread depth refer to, and why is it important?

Accepted Answer

The depth of grooves in the tire surface that provide grip and channel water

Answer

Tire tread depth refers to the grooves that provide traction and channel water away.

TDC - Theoretical Driving Course Exam Practice Test