Practice Quiz

Commercial Drivers License Exam Prep

Category - CDL

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In terms of the ABS (Anti-Lock Braking System), which of the following are true?
  1. ABS does not decrease normal braking capability.
  2. ABS does not increase normal braking capability.
  3. ABS only activates when the wheels are about to lock up.
  4. All of the above are true.
Explanation
Answer: D - The ABS is considered an addition to the vehicle's normal brakes. The ABS will not increase or decrease the vehicle's ability to brake normally. The ABS activates when it senses that the wheels are about to lock up, and assists the driver in maintaining control of the vehicle.
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