Practice question

How does an Anti-lock Braking System (ABS) assist a commercial vehicle driver during emergency braking?

  1. It stops the vehicle instantly in zero meters
  2. It prevents wheels from locking up into a slide, thereby maintaining directional steering control and preventing jackknifing
  3. It automatically turns the steering wheel toward the nearest exit
  4. It releases parachute brakes behind the trailer

Answer: B — It prevents wheels from locking up into a slide, thereby maintaining directional steering control and preventing jackknifing

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