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Practice test 8 of 10

Wyoming CDL — Air Brakes Practice Test 8

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.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?
  2. 2.You are about to pull out in a truck with a dual air system. The primary gauge reads 105 psi and the secondary reads 90 psi. Are you ready to drive?
  3. 3.You drive an air-braked truck that is small enough that operating it does not take a CDL. According to Section 5 of Wyoming's manual, do you need an air brake endorsement for it?
  4. 4.The emergency brake system on an air-braked vehicle borrows parts from both the service brakes and the parking brakes. When is it meant to stop the vehicle?
  5. 5.Section 11M explains why the air lines running to a trailer are inspected. What does it say a low air condition in those lines will cause?
  6. 6.At the bottom of a long, steep hill you pull into a lot to park, and your brakes are still very hot. Which order of steps fits the manual?
  7. 7.In Section 11M's air brake check, you finish the air leakage rate test and go straight to the air warning device test. What does the manual say about the engine at that point?
  8. 8.Which statement about automatic slack adjusters does NOT match the manual?
  9. 9.The engine-start portion of Section 11M's vehicle inspection has you check the ABS indicator on the dashboard. What extra ABS check does it add for combination vehicles only?
  10. 10.An applicant who has difficulty reading wants to take Wyoming's air brakes written test. What does the manual say is available?

0 of 25 answered