Topic: Driving safely in difficult conditions · Nº 64 / 247
Cuando llueve se forma una capa de agua sobre la calzada. ¿Por qué aumenta el peligro?
When it rains, a layer of water forms on the carriageway. Why does the danger increase?
- ANo aumenta: el agua enfría los neumáticos y se frena mejor.It does not increase: the water cools the tyres and you brake better.
- BPor la posible pérdida de adherencia de los neumáticos con el pavimento.Because of the possible loss of grip between the tyres and the road surface.
- CPor el sobrecalentamiento de los frenos al mojarse.Because the brakes overheat when they get wet.
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Correct answer
- BPor la posible pérdida de adherencia de los neumáticos con el pavimento.Because of the possible loss of grip between the tyres and the road surface.
Explanation
The layer of water comes between the tyre and the road surface and reduces grip; if it is thick and you are driving fast, it can cause aquaplaning and total loss of control. That is why in the rain you must reduce your speed and increase your safe distance.
Independent app: not affiliated with or endorsed by the DGT (Spain's Directorate-General for Traffic) or the Ministry of the Interior. The official exam is booked with the DGT and taken at its test centres. The questions here are practice material; the DGT's official question bank is not public.