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Practice test 8 of 10

West Virginia CDL — Air Brakes Practice Test 8

The West Virginia 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.Which statement about a modulating control valve does NOT match the manual?
  2. 2.A West Virginia applicant scores 78% on the air brakes portion of the CDL knowledge exam. Under the manual's knowledge test rule, is that a pass?
  3. 3.After a major leak, the gauge in your straight truck has fallen to 15 psi. Going by the manual's figures, what state should the spring brakes be in?
  4. 4.Section 5 describes two air leakage tests, one with the brakes released and one with the foot brake held down. Which of them appears in the air brake check on West Virginia's vehicle inspection test in Section 11?
  5. 5.Section 5 says an alcohol evaporator does not replace draining the air tanks every day. What exception does it give?
  6. 6.What does the manual call the brakes that are used at each wheel of an air-braked vehicle?
  7. 7.Section 5 ties several problems to hot brakes. Which of these is NOT one of them?
  8. 8.At 55 mph the manual puts a number of feet on each of the four parts of an air-braked vehicle's total stopping distance. Which part is the shortest?
  9. 9.On the vehicle inspection test's air brake check, you have just held the foot brake down for a full minute and read the gauge. What does Section 11 have you do next?
  10. 10.One of the two systems in your dual air brake setup has dropped very low on pressure, though the truck still slows when you brake. What does the manual tell you to do?

0 of 25 answered