What is the primary purpose of the battery fitted to a petrol - or diesel - powered motor vehicle?

  1. To provide braking.
  2. To reduce fuel consumption.
  3. To provide heat to the engine.
  4. To start the engine.

Correct Answer

To start the engine.

Explanation: The primary purpose of the battery is to start the engine. When the engine is running; it produces its own electricity to charge the battery and run the various electrical components; including lights; heating; radio and so on.

Practice more questions for free Browse All Questions Take a Mock Test