Practice question

What type of braking system is mandatory on EX/III motor vehicles with a maximum mass exceeding 3.5 tonnes under ADR 9.2.3?

  1. Manual handbrake only on the rear axle
  2. Hydraulic drum brakes without power assist
  3. Anti-lock braking system (ABS) and endurance braking (retarder)
  4. Mechanical friction shoes operated by pulling a steel cable

Answer: C — Anti-lock braking system (ABS) and endurance braking (retarder)

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