What effect does patches of oil or diesel have on a road surface?
- A It improves tyre surface grip.
- B It improves the vehicle's braking ability.
- C It increases tyre surface noise.
- D It reduces the tyre surface grip.
Show answer & explanation
Correct answer: It reduces the tyre surface grip..
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.
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.