Practice question

What is the main cause of brake fade when a heavily laden truck descends a long hill?

  1. Overheating of the brake drums and linings from prolonged braking
  2. Too much brake fluid in the hydraulic reservoir
  3. Cold morning air reducing tyre grip
  4. Worn tyre tread on the steering axle

Answer: A — Overheating of the brake drums and linings from prolonged braking

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