Practice question

For the Washington CDL Air Brakes knowledge test, you notice an air pressure gauge dropping faster than normal while driving. What should you do?

  1. Ignore it
  2. Reduce speed safely, find a safe place to stop, and check for leaks before continuing
  3. Apply parking brake immediately
  4. Speed up to the next exit

Answer: B — Reduce speed safely, find a safe place to stop, and check for leaks before continuing

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

Practice more: Washington CDL Air Brakes Test Practice Questions - Washington Commercial Driver License (CDL) Air Brakes Knowledge Test Exam →