DMV PA - CDL Combination Vehicles Text Book Questions (And Answers)

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Author:
Tibrious
ID:
2280
Filename:
DMV PA - CDL Combination Vehicles Text Book Questions (And Answers)
Updated:
2010-06-22 08:27:03
Tags:
Pennsylvania Department Motor Vehicles DMV Commercial Drivers License CDL Combination Vehicles Test Textbook
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Description:
Test Questions (and answers,) for the Combination Vehicles portion of the Commercial Drivers License Exam of Pennsylvania, but taken directly from the Commercial Drivers Manual.
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  1. 1. What two things are important to prevent rollover?
    1.
  2. 2. When you turn suddenly while pulling doubles, which trailer is most likely to turn over?
    2.
  3. 3. Why should you not use the trailer hand brake to straighten out a jackknifing trailer?
    3.
  4. 4. What is offtracking?
    4.
  5. 5. Why should you turn like it shows in figure 6-5?
    5.
  6. 6. Why should you not use the trailer hand valve while driving?
    6.
  7. 7. Describe what the trailer air supply control does.
    7.
  8. 8. Describe what the service line is for.
    8.
  9. 9. What is the emergency air line for?
    9.
  10. 10. Why should you use chocks when parking a trailer without spring brakes?
    10.
  11. 11. Where are the shut-off valves?
    11.
  12. 12. What might happen if the trailer is too high when you try to couple?
    12.
  13. 13. After coupling, how much space should be between the upper and lower fifth wheel?
    13.
  14. 14. You should look into the back of the fifth wheel to see if it is locked onto the kingpin. True or False?
    14.
  15. 15. How do you check to make sure trailer height is correct before coupling?
    15.
  16. 16. To drive you need to raise the landing gear only until it just lifts off the pavement. True or False?
    16.
  17. 17. Which shut-off valves should be open and which closed?
    17.
  18. 18. How can you test that air flows to all trailers?
    18.
  19. 19. How can you test the tractor protection valve?
    19.
  20. 20. How can you test the trailer emergency brakes?
    20.
  21. 21. How can you test the trailer service brakes?
    21.

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