Practice question

What is the main cause of brake fade?

  1. Excessive moisture in the dry reservoirs freezing the valves
  2. Excessive heat in the brake drums caused by prolonged or heavy brake applications
  3. Driving with the air compressor running continuously in the loaded stage
  4. Releasing the parking brakes without building pressure to 100 psi

Answer: B — Excessive heat in the brake drums caused by prolonged or heavy brake applications

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