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Practice test 3 of 10

Georgia CDL — Air Brakes Practice Test 3

The Georgia CDL — Air Brakes knowledge test has ~25 questions; you need ~20 correct (80%) to pass.

This practice test follows that format: 25 questions, pass with 20 correct. Answer every page, then grade it to see the answers and explanations.

Questions 1–10 of 25

  1. 1.Why do air storage tanks equipped with manual drain valves need to be drained at the end of each day of driving?
  2. 2.Controlled braking means:
  3. 3.What must a CDL applicant do to be licensed WITHOUT an air brake restriction?
  4. 4.You are testing a combination vehicle with the brake pedal held fully applied and the engine off. What is the maximum acceptable rate of air loss?
  5. 5.For the static leakage test on a single vehicle — engine off, brakes released, fully charged system — the air pressure loss must be less than:
  6. 6.While you are driving, pressure in one half of your dual air brake system falls very low. What should you expect from the vehicle?
  7. 7.Add together perception distance, reaction distance, brake lag distance, and braking distance for an air-braked vehicle at 55 mph on good pavement. The total is:
  8. 8.When you check brake drums or discs on the walk-around, a crack is unacceptable once it is longer than:
  9. 9.Your brakes are soaked and the temperature is below freezing. How can you dry them before you park?
  10. 10.The correct rhythm for snub braking on a long downgrade is to:

0 of 25 answered