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On a long downhill stretch with a D1 or D bus, it is advisable to:

Correct answer

Control speed with a suitable gear

Control speed with a suitable gear and the vehicle’s available retardation, following the manufacturer’s instructions. This avoids relying continuously on the service brake and reduces the risk of overheating and reduced braking effectiveness. Do not descend in neutral, which removes engine braking, or wait until the end to brake sharply.

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  • Coast in neutral

  • Wait until the end to brake sharply

  • Control speed with a suitable gear

The real exam in English is a translation of the Spanish original; compare both here.

Show the Spanish original

En un descenso largo con un autobús de D1 o D, conviene:

  1. Circular en punto muerto
  2. Esperar al final para frenar con brusquedad
  3. Controlar la velocidad con una relación adecuada(Correct answer)

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