Practice question

How does an Anti-lock Braking System (ABS) detect that a wheel is about to lock up during braking?

  1. By sensing the hydraulic pressure in the brake lines using a transducer
  2. By measuring the angle of the front forks
  3. By monitoring wheel speed sensors to detect a rapid deceleration relative to vehicle speed
  4. By measuring the temperature of the brake pads

Answer: C — By monitoring wheel speed sensors to detect a rapid deceleration relative to vehicle speed

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