Practice question

What does an Anti-Lock Braking System (ABS) do?

  1. Allow the rear wheels to lock up
  2. Allow all wheels to lock up
  3. Help prevent wheel lockup
  4. Alert other motorists when you are braking

Answer: C — Help prevent wheel lockup

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

Practice more: New York CDL Class B Knowledge Test 2 →