Practice question

When only the tractor is equipped with an Anti-Lock Braking System (ABS):

  1. There is a decreased risk of jackknifing.
  2. There is an increased risk of jackknifing.
  3. The brakes will not work as effectively as they would without ABS.
  4. The brakes will become more sensitive.

Answer: A — There is a decreased risk of jackknifing.

The correct answer is shown above. Try the full quiz for additional practice.

Practice more: Massachusetts CDL Air Brakes Test 1 →