Traction, Tyres and Brakes
What is the purpose of the grooves in the tread pattern?
Reviewed on 9 Aug 2026
- A Only to decorate the tyre
- ✓ To expel water and improve grip
- C To make the tyre heavier
- D To increase fuel consumption
Why this is the correct answer
The tread grooves prevent overheating, make the tyre more flexible, improve grip, and above all expel water from the road when it rains.
More questions on Traction, Tyres and Brakes
- How often and in what state should tyre pressure be checked?
- What is a consequence of driving with pressure lower than recommended?
- What effect does pressure higher than recommended have on tyres?
- Pronounced wear on both edges (shoulders) of the tyre usually indicates:
- When replacing tyres, what rule should be followed?
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