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Practice test 10 of 10

Wyoming CDL — Air Brakes Practice Test 10

The Wyoming 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.For the parking brake check in Section 11M, you engage the parking brake and gently pull forward against it. What does the manual have you do with the service brake first?
  2. 2.Which of these does the manual actually credit ABS with?
  3. 3.Wig-wag low air warnings come in an automatic type and a manual reset type. How do they differ once pressure is back above the warning level?
  4. 4.S-cam brakes and wedge brakes use different parts to move the brake shoes. What is the end result in both designs?
  5. 5.A truck tractor and a trailer, both with air brakes, were each built in June 1997. Going by the dates in the manual, which of them was required to have ABS?
  6. 6.The stopping distance chart in Wyoming's Section 5 lists how far a rig travels in one second at each speed. What figure does it give for 30 mph?
  7. 7.Wyoming's manual lists situations in which a written test and a commercial learner's permit (CLP) are required. Which of these is on that list?
  8. 8.Which statement about front brake limiting valves does NOT match the manual?
  9. 9.The air brake section adds its own items to the seven-step inspection method described in Section 2. At which steps do those added items come?
  10. 10.Section 5 of Wyoming's manual says the low air warning has to come on before tank pressure drops below 60 psi. What mark do the manual's vehicle inspection test sections give for the low air warning devices?

0 of 25 answered