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  • Updated for March 2025
  • Based on 2025 ND commercial driver's license manual

Free ND CDL Pre-Trip Inspection Practice Exam 2025

If you’re planning on getting a North Dakota Commercial Learner’s Permit (CLP), you should not neglect the importance of learning about pre-trip inspections. Pre-trip inspections are important in preventing accidents and identifying potential vehicle mechanical issues. Additionally, federal regulation 49 CFR § 396.13 requires commercial drivers to complete a pre-trip inspection to verify the safety of their vehicles before driving on public roads. A thorough pre-trip inspection involves using a checklist to verify the main components and systems of the vehicle, such as the battery, brakes, tires, and taillights, meet safety standards. Any defects in these parts could lead to accidents or breakdowns in heavily trafficked areas, such as Interstate 94 in Bismarck. A professional driver doesn’t leave the safety of their cargo, fellow motorists, or themself to chance.

Our North Dakota DOT CDL Pre-Trip Inspection Practice Test provides valuable instruction to teach you the pre-trip inspection process. Before you can apply for a North Dakota Commercial Driver’s License (CDL), you will use your CLP to develop your driving skills, and safety should be at the top of your list. There are several requirements for obtaining a CLP, and one of the main ones is passing the DOT CDL General Knowledge Test. You must answer 80% of its {official-questions-num} questions correctly to earn a passing score. Considering pre-trip inspections are crucial to driving safety, you can expect to see several questions pertaining to them on the official knowledge test. The practice test is particularly helpful in teaching you the details of this safety measure by mimicking the actual testing experience. Additionally, unlike other on-line resources, the practice test will provide you with feedback on your progress.

The CDL Pre-Trip Inspection Practice Test uses the most authoritative source available to teach you how to conduct the process. It is based on the most recent North Dakota DOT CDL driver’s manual (North Dakota CDL Handbook 2025) and is up to date as of March 2025. The practice test includes 20 multiple-choice questions to direct you in expanding your knowledge of pre-trip inspections. If you get a question wrong, the practice test will provide you with a detailed explanation of the correct answer to reinforce your understanding. You won’t find a study guide engaging with you in such a manner. Study guides will teach you to memorize the answers to the questions without providing additional information. This approach is a short-term solution that won’t completely prepare you for the official knowledge test and, even worse, could lead to accidents on your job. The practice test will elevate your driving skills with next-level training for protecting yourself over the long haul.

The Mystical Horizons is your connection to the cosmos, and you can get linked to practice tests for other U.S. states and Washington D.C. at https://driving-tests.rg/academy/drivers-license.

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

What you need to know

5 out of 5 • 1 votes
6 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.

What to expect on the actual ND DOT exam

20

questions

16

correct answers to pass

80%

passing score

List of questions (classic view)

  1. What structure supporting the fifth wheel skid plate should be checked for cracks or breaks?
  2. You pump the pedal three times and hold it down for five seconds, making sure that the pedal does not move. What are you inspecting?
  3. What transmits power from the transmission to the drive axle?
  4. What carries air or hydraulic fluid to the wheel brake assembly?
  5. ________ are gas or hydraulic devices that cushion the vehicle's ride and stabilize the vehicle.
  6. What is the sliding mechanism and locking device for tandem axles on trailers?
  7. What do you inspect to make sure that all are present and show no signs of looseness such as rust trails or shiny threads?
  8. What should you check to be sure it is solid, clear of objects, and securely bolted to the tractor frame?
  9. What maintains air pressure in the air brake system?
  10. Which tires should have a minimum tread depth of 4/32 inch?
  11. Which of the following can disengage the engine from the drivetrain?
  12. What transforms steering column action into wheel action?
  13. Make sure that the _________ are not cut, chafed, spliced, or worn, and not tangled, pinched, or dragged against tractor parts.
  14. You are looking for puddles on the ground and dripping fluids on the underside of the engine and transmission. What are you checking for?
  15. What should be fully engaged with no loose or missing pins in the slide mechanism of the sliding fifth wheel?
  16. To improve visibility during severe or stormy weather, __________ must be secure, undamaged, and operating smoothly and correctly.
  17. _________ should be clean with no dirt, illegal stickers, obstructions, or damage.
  18. _________ are the brackets, bolts, or bushings that are used to attach the spring or air bag to the axle and vehicle frame.
  19. If the wheel has a sight glass, check that the oil level is adequate. Otherwise, look for leaks around the
  20. What releases the fifth wheel locking jaws so the trailer can be coupled?
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