Wyoming CDL — Air Brakes Practice Test
The Wyoming CDL — Air Brakes knowledge test has ~25 questions; you need ~20 correct (80%) to pass.
Or take one of 10 full-length practice tests
25 questions · pass with 20 correct. You get instant feedback and an explanation after every answer.
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The full-length test, with feedback and an explanation after every answer.
Wyoming CDL — Air Brakes practice tests
10 full-length practice tests, each with 25 questions and a pass mark of 20, like the real test. You see the answers and explanations after you grade.
- Test 1
25 questions · pass with 20
Which pairing of a pressure figure and what happens there matches Wyoming's Section 5?
- Test 2
25 questions · pass with 20
Section 11M has you look for fluid and air leaks at the front of the vehicle with the engine off. Why does it say an air leak matters?
- Test 3
25 questions · pass with 20
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?
- Test 4
25 questions · pass with 20
As a dual-system truck airs up, its low air light and buzzer go quiet when the gauges pass 50 psi. How does that compare with Wyoming's manual?
- Test 5
25 questions · pass with 20
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?
- Test 6
25 questions · pass with 20
Going by the total stopping distances on the chart in Wyoming's Section 5, how much shorter is a stop from 45 mph than a stop from 55 mph?
- Test 7
25 questions · pass with 20
ABS is meant to prevent skids and jackknifes that braking sets off. Which kind of skid do the manual's ABS safety reminders say it will NOT prevent?
- Test 8
25 questions · pass with 20
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?
- Test 9
25 questions · pass with 20
Which pairing of a part and its standard matches the Step 5 walk-around check in Section 5?
- Test 10
25 questions · pass with 20
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?