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Difficulty: MediumWet Weather and Aquaplaning

When driving on roads affected by standing water and surface spray, what is the most effective action to prevent your vehicle from aquaplaning?

  1. A
    Press the clutch pedal down and coast freely through accumulated surface water
  2. Reduce your road speed and drive smoothly before encountering pooled waterAnswer
  3. C
    Maintain normal road speed and brake firmly immediately upon entering puddles
  4. D
    Maintain standard dry-road following distances of two seconds to stay in the vehicle track ahead

Answer

Reduce your road speed and drive smoothly before encountering pooled water
Reducing road speed before meeting standing water allows the tyre treads sufficient time to channel water away from the contact patch, maintaining positive physical contact with the tarmac and preventing the car from riding on a cushion of water.

Step-by-Step Solution

1
Assess wet road conditions and identify hazards such as surface spray and standing water.
The driver recognises that standing water creates a barrier between tyres and the road surface.
Anticipating surface water early allows proactive adjustment of speed rather than reactive emergency manoeuvres.
2
Adjust vehicle speed downwards in a controlled manner before entering areas with standing water.
Tyre tread grooves have adequate time to disperse surface water effectively.
Aquaplaning occurs when vehicle speed exceeds the rate at which tyre tread can channel water away, causing the tyres to ride on top of a water film.

Key Concept

Prevention of aquaplaning through proactive speed reduction and smooth vehicle handling
Estimated Time:1m 0s
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Topics

Wet Weather and Aquaplaning

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