In Austrian vehicle safety and driving technique, what phenomenon occurs during aquaplaning (Wasserglätte / Aquaplaning)?

Answer and explanation

Correct answer: B. A wedge of standing water builds under tyres

  1. Step 1: Aquaplaning happens when tyre tread voids cannot evacuate standing water fast enough; the tyre floats on a fluid film, completely losing friction and control. Answer: A wedge of standing water builds under tyres. Why not the others: The brake discs get wet and require extra drying pedal pressure, The vehicle electrical alternator is disabled by spray splashing and The windscreen wipers fail to clear droplets due to surface tension do not reflect Austrian technical safety guidelines.

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