Question 381 · Car theory test
What is the primary purpose of the battery fitted to a petrol- or diesel-powered motor vehicle?
Pick an answer to test yourself.
Correct answer
To start the engine.
Official 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.
- Topic
- Vehicle maintenance
- Also in
- This question also appears in the motorcycle theory test.
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