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  • Updated for October 2024
  • Based on 2024 NY commercial driver's license manual

Free New York CDL Combination Practice Test 2024 | NY

Driving combination vehicles can be an integral part your commercial driving career. Before you can reach that point though, you’ll need to pass an exam from your local branch of the New York DMV showing that you’ve mastered the specialized knowledge necessary to drive these vehicles safely. The following 30 questions are from the official 2024 New York CDL Manual, and cover just combination vehicles to help you prepare for this specific DMV test. Good luck both now on the practice exam and on your real exam when the time comes!

Commercial Driver's License
  • Perfect for first-time and renewal CDL/CLP applicants, and those adding endorsements
  • Triple-checked for accuracy

What you need to know

9 min to complete
Available in EN and ES
Verified by Steven Litvintchouk, M.S., Chief Educational Researcher, Member of ACES. See our detailed commitment to accuracy and quality in our practice tests.
Ensuring the accuracy and quality of our program is paramount. Learn more about our rigorous standards in our Commitment to Accuracy article.

What to expect on the actual NY DMV exam

20

questions

16

correct answers to pass

80%

passing score

List of questions (classic view)

  1. To prevent a rollover while driving a combination vehicle, you should
  2. The final trailer of a triple is _______ as likely to roll over as a five-axle tractor-trailer.
  3. To straighten out a jackknifing trailer, should you apply the trailer hand brake?
  4. When parking a vehicle that does not have spring brakes, you should use wheel chocks
  5. What does the trailer air supply control do?
  6. The trailer air supply knob will pop out when the air pressure drops to
  7. If you use the trailer hand valve while you're driving,
  8. If you are driving a 90-foot combination vehicle at 50 mph, you should leave how many seconds of following distance?
  9. Which of the following is NOT part of checking that air is flowing to all trailers?
  10. After coupling, how much space should there be between the lower and upper fifth wheel?
  11. Which of the following control air in the service line?
  12. If you try to couple when the trailer is too high,
  13. Which of the following types of vehicles are most likely to get stuck at a raised railroad crossing?
  14. Which of the following is NOT part of inspecting the coupling?
  15. Where would you find the shut-off valves?
  16. When you're coupling a tractor-semitrailer, which of the following is NOT a part of inspecting the fifth wheel?
  17. Which of the following is NOT a purpose of the emergency air line?
  18. Which of the following is NOT part of inspecting the sliding fifth wheel during a walk-around inspection?
  19. Which of the following is NOT part of raising the landing gear if equipped with a low gear range?
  20. Which of the following is NOT part of testing the trailer service brakes?
  21. What is the definition of "off-tracking?"
  22. Which of the following is NOT part of testing the tractor protection valve?
  23. Which of the following offtracks the most?
  24. To back a trailer, what should you do?
  25. If you must back your vehicle on a curved path, you should back toward the driver's side because
  26. Loss of air pressure in the emergency line causes
  27. Which of these statements is true?
  28. If you cannot make a right turn without swinging into another lane, what should you do?
  29. If there is a major leak in the _________, the tractor protection valve will close and the trailer emergency brakes will come on.
  30. The rear wheels of which vehicle will off-track the most?
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