What effect does patches of oil or diesel have on a road surface?

  1. It improves tyre surface grip.
  2. It improves the vehicle's braking ability.
  3. It increases tyre surface noise.
  4. It reduces the tyre surface grip.

Correct Answer

It reduces the tyre surface grip.

Explanation: A patch of oil or diesel on the road can seriously reduce the grip of your tyres on the road; which may result in a possible skid.

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