Practice question

Total stopping distance for a CMV with air brakes is approximately the sum of:

  1. Perception distance + reaction distance + brake lag distance + effective braking distance
  2. Only braking distance
  3. Reaction distance only
  4. Engine RPM only

Answer: A — Perception distance + reaction distance + brake lag distance + effective braking distance

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

Practice more: California CDL Air Brakes Test Practice Questions - California CDL Air Brakes Knowledge Test Exam →