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

Free North Carolina CDL Permit Practice Test: General Knowledge 2024 | NC

Aspiring truckers, listen up! It’s time to get ready for your truck driving dreams in the Tar Heel State. Studying for this test doesn’t have to be about memorizing random facts; rather, it’s your first step toward mastering the art of commercial driving.

We’ve loaded 50 questions into this test, covering everything from basic vehicle control to the finer points of air brakes. It’s all based on the 2024 North Carolina CDL manual, so you know you’re getting the most up-to-date info.

North Carolina’s landscape throws a bit of everything at drivers. You’ll find questions tailored to handling:

-- Mountain driving in the Blue Ridge

-- Coastal conditions along the Outer Banks

-- Heavy traffic in the Research Triangle

-- Agricultural areas in the Piedmont

But it’s not just about driving. We’ll test you on regulations, too. Think you know the rules for hauling tobacco or oversized furniture loads? Hey, we are the furniture capital of the world!

Each question is followed by a detailed explanation. Don’t skip those -- most of them have some real gems in them that could very well save your bacon on the actual test or out on the road. This practice test is a way to confidently walk into the DMV with your head up and ready for the challenge. Keep in mind that in North Carolina, we take our trucking seriously. It is not just about passing a test but joining the proud tradition of skilled safe commercial drivers. Buckle up and focus hard; let’s get ready to roll!

  • Perfect for first-time and renewal CDL/CLP applicants, and those adding endorsements

What you need to know

4.24 out of 5 • 33 votes
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.

What to expect on the actual NC DMV exam

50

questions

40

correct answers to pass

80%

passing score

List of questions (classic view)

  1. If you have more than one driver license,
  2. Which of the following convictions may cause you to be disqualified from driving a commercial motor vehicle (CMV)?
  3. What will help a drunk sober up?
  4. What can you do at an accident scene to help avoid another accident?
  5. While driving at night, which lights should you use as often as you can?
  6. You don't want to be a distracted driver, so you
  7. In which of the following two situations should you downshift?
  8. How can you determine if your vehicle is equipped with an antilock braking system (ABS)?
  9. If you are confronted by an aggressive driver, what should you do?
  10. Which of the following statements about an escape ramp is FALSE?
  11. What is the best way to figure out how many seconds of following distance you have?
  12. If the engine is not overheated, is it completely safe to remove the radiator cap?
  13. Which is NOT one of the four basic skills that operating a commercial motor vehicle requires?
  14. Letting the air out of hot tires
  15. If you feel drowsy while driving, what should you do?
  16. Which of the following is a key steering component?
  17. What is the definition of a hazard?
  18. The minimum tire tread depth for front tires is
  19. Which of the following is most likely to cause a vehicle fire?
  20. To maintain alertness on your trips, you should
  21. Why should you use a helper when you are backing?
  22. When you start to drive down a steep downgrade, which of the following should influence your choice of speed?
  23. The most important hand signal that you and a helper should agree on is
  24. Which of these is NOT part of the basic method for shifting up?
  25. Do empty trucks have the best braking?
  26. Before transporting a sealed load, you must check
  27. How long does it take a typical tractor-trailer to clear a double railroad track?
  28. How many tie-downs are required for a 20-foot load?
  29. Signs of distracted drivers include
  30. Always try to back toward the driver's side because
  31. An antilock braking system (ABS) will
  32. What might happen if you swing wide to the left before you turn right?
  33. Total stopping distance equals
  34. You should put the starter switch key into your pocket while you perform the pre-trip inspection because
  35. If you double your speed, how much more distance will it take to brake to a stop?
  36. Hazardous materials placards are
  37. On which of the following types of fires should you NOT use a B:C fire extinguisher?
  38. Which of the following might get stuck at a raised railroad crossing?
  39. How often must you stop to check your cargo while on the road?
  40. Which of the following should you NOT do if you experience a tire failure?
  41. What is a common cause of tire fires?
  42. How can you start moving without rolling backward?
  43. Where should you place your warning devices if you must stop on a one-way road or divided highway?
  44. It has just reached freezing. Which of the following areas may be slippery?
  45. Why should you cover your cargo?
  46. You should inspect wheel bearing seals for
  47. To transport cargo safely, which of the following are you NOT responsible for?
  48. If you are traveling at 55 mph in a 30-foot vehicle, you should leave how many seconds of following distance?
  49. If you are convicted of any traffic violation except parking, you must notify your employer within
  50. Federal law requires employers to test their commercial drivers for drugs and alcohol. If you test positive for drugs, your employer must report it to

FAQs

How do you obtain a CDL in North Carolina?

To get a CDL in North Carolina, start by obtaining a commercial learner's permit (CLP) after passing the required knowledge tests. Hold the CLP for at least 14 days, then complete CDL training (if you choose to) and pass the skills test. Ensure you meet all medical and age requirements.

What is the cost of getting a CDL?

The cost for a CDL in North Carolina includes a $40 fee for the CDL itself and a $20 fee for the knowledge test. Additional fees apply for endorsements and skills tests.

Is CDL school required?

CDL school is not mandatory in North Carolina, but it's highly recommended for comprehensive training and preparation for the skills test. Employers may also require or prefer CDL training completion.

How long does it take to get a CDL?

The time to get a CDL in North Carolina varies. After obtaining a CLP, you must hold it for at least 14 days. The duration of CDL training programs, if chosen, can vary from a few weeks to several months.

Can you take CDL classes online?

In North Carolina, while some theoretical aspects of CDL training may be available online, the practical skills training and testing must be completed in person.

How challenging is the CDL permit test?

The difficulty of the North Carolina CDL permit test varies, but with proper study and preparation, including a thorough review of the NC Commercial Driver License Manual and practice tests, many applicants find it manageable.

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