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Practice test 7 of 10

West Virginia CDL — Air Brakes Practice Test 7

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.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?
  2. 2.The manual's figure of more than 450 feet to stop from 55 mph in an air-braked vehicle comes with conditions. Which of these is one of them?
  3. 3.It is a cold morning. Your truck has an alcohol evaporator, and its air compressor carries its own oil supply. Which pair of checks does Section 5 add before you drive?
  4. 4.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?
  5. 5.Your air tank gauge reads 48 psi. According to the manual, what should the low air pressure warning be doing at that point?
  6. 6.To stay clear of an air brake restriction, a West Virginia applicant has to take the road skills test in an air-braked vehicle. According to the manual, who provides the vehicle for that test?
  7. 7.Section 5's parking brake control diagram says one driver action both closes the tractor protection valve and sets the spring brakes. Which action?
  8. 8.Which of these is NOT a routine that Section 5 gives the driver?
  9. 9.You end a shift in freezing weather with brakes that are still very wet, in a truck whose air tanks have manual drains. Which pair of actions fits Section 5?
  10. 10.Heat is the main cause of brake fade. What other factor does the manual say affects it?

0 of 25 answered