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

Free Wisconsin CDL Permit Practice Test: General Knowledge 2024 | WI

You will now have the opportunity to test the information you’ve learned in the Wisconsin Commercial Driver’s Manual, to help you prepare for your real written exam to receive your CDL.

A total of 50 multiple-choice questions have been carefully written based on the manual, applicable Wisconsin laws, and test questions directly from the Wisconsin DMV CDL Commercial Driver Practice Test to ensure that you have the relevant answers on safe driving topics like traffic laws, emergency preparedness, vehicle operation in normal and special conditions, and solutions for vehicle or road condition problems.

Take the practice test as many times as necessary until you feel comfortable taking the real exam, and drive safely!

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

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 WI DMV exam

50

questions

40

correct answers to pass

80%

passing score

List of questions (classic view)

  1. What is the minimum number of tiedowns that a flatbed load must have?
  2. If your vehicle has an automatic transmission, when should you select a low range?
  3. While you're driving, the two main things that you should look ahead for are
  4. What is the main reason to perform a vehicle inspection?
  5. Which of the following statements about oversized loads are true?
  6. Which of the following are important parts of the vehicle's steering system?
  7. For how long will you lose your CDL driving privileges if you are convicted of a second OWI (DUI) offense in either a CMV or your private vehicle?
  8. If you must stop on a road or the shoulder of a road, you must set out your warning devices within
  9. In which of the following situations should you NOT sound your horn?
  10. If you spot a hazard ahead, what should you do first?
  11. The minimum tire tread depth for front tires is
  12. What are two of the most common causes of tire fires?
  13. To stay alert while you're driving, you should do which of the following?
  14. Before you transport a sealed load, you should check
  15. If ________ or more of the leaves in any leaf spring are broken or missing, the vehicle will be put out of service.
  16. Which of these is NOT part of the basic method for shifting up?
  17. Alcohol affects the body in many different ways, but it first affects your
  18. What is the best way to check what is going on behind and to the sides of your vehicle?
  19. While you're driving, where should you be looking ahead of your vehicle?
  20. In which of the following two situations should you downshift?
  21. Which of the following will help a drunk sober up?
  22. When you're about to start down a steep downgrade, what should you do?
  23. Under Wisconsin's Implied Consent Law,
  24. If you are convicted of operating while intoxicated (OWI) while driving your personal vehicle, you will lose your CDL driving privileges for __________ if it was your first offense.
  25. You should put the starter switch key into your pocket while you perform the pre-trip inspection because
  26. You should inspect wheel bearing seals for
  27. On a long or steep downgrade, once you have reached your "safe" speed, brake until you are traveling
  28. If you are traveling at 55 mph in a 30-foot vehicle, you should leave how many seconds of following distance?
  29. What is the best way to figure out how many seconds of following distance you have?
  30. What might happen if you swing wide to the left before you turn right?
  31. If you are being tailgated, you should NOT
  32. What are the main differences between aggressive driving and road rage?
  33. You don't want to be a distracted driver, so you
  34. If you are confronted by an aggressive driver, what should you do?
  35. Letting the air out of hot tires
  36. While driving at night, which lights should you use as often as you can?
  37. If your brakes get wet, they may
  38. If the engine is not overheated, is it completely safe to remove the radiator cap?
  39. Which of the following might get stuck at a raised railroad crossing?
  40. How long does it take a typical tractor-trailer to clear a double railroad track?
  41. Which of the following should you NOT do if you experience a tire failure?
  42. An antilock braking system (ABS) will
  43. When you drive a vehicle that has antilock brakes (ABS), how should you brake?
  44. To maintain alertness on your trips, you should
  45. Hazardous materials placards are
  46. Why should you cover your cargo?
  47. On which of the following types of fires should you NOT use a B:C fire extinguisher?
  48. Where should you place your warning devices if you must stop on a one-way road or divided highway?
  49. Total stopping distance equals
  50. Which of the following statements about escape ramps is FALSE?
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