Topic: Vehicle mechanics and maintenance · Nº 513 / 539

Si usted circula llevando un neumático con la presión de aire demasiado baja, ¿qué parte de la banda de rodadura sufrirá mayor desgaste?

If you drive with a tyre whose air pressure is too low, which part of the tread will wear most?

  • ALos dos lados.Both sides.
  • BLa parte central.The centre.
  • CSe desgastará por igual por el centro y por los lados.It will wear equally in the centre and at the sides.
Show answer

Correct answer

  • ALos dos lados.Both sides.
Explanation

With pressure that is too low, the tyre flattens and rests mainly on the edges of the tread, so both sides wear more. If the pressure is too high the opposite happens, and the centre wears more.

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.