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Practice test 3 of 10

West Virginia CDL — Air Brakes Practice Test 3

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.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?
  2. 2.Heat is the main cause of brake fade. What other factor does the manual say affects it?
  3. 3.Section 2's seven-step inspection ends with a brake check written for hydraulic brakes. For a vehicle with air brakes, which sections does it point you to for the checks to do?
  4. 4.The manual warns against setting the parking brakes in two conditions and gives a different consequence for each. Which pairing is right?
  5. 5.Air pressure does several jobs in an air brake system. Which of these does Section 5 say is NOT left to air pressure?
  6. 6.What does the manual call the brakes that are used at each wheel of an air-braked vehicle?
  7. 7.On a newer air-braked vehicle, which pairing of knob movement and result is right for the yellow parking brake control?
  8. 8.The s-cam drum brake is the most common foundation brake. Which two types does the manual describe as less common?
  9. 9.Which of these calls for stopping right away, not just for getting the vehicle serviced soon?
  10. 10.In Section 5's Step 7 list, one check flows straight into the check of whether the spring brakes apply on their own: you simply keep pumping the pedal. Which check is it?

0 of 25 answered