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  • Updated for December 2024
  • Based on 2024 OH commercial driver's license manual

Free OH CDL Pre-Trip Inspection Practice Exam 2024

To obtain a Commercial Driver’s License (CDL) in Ohio, you must pass a written exam covering several aspects of commercial driving as well as a hands-on skills test, which includes a pre-trip inspection. All applicants need an advanced understanding of how to safely operate a commercial vehicle in various conditions. This includes the mandatory pre-trip inspection, which is essential for ensuring the safety of your vehicle. If you are interested in driving trucks or buses with air brakes, a basic knowledge of air brake systems is also required.

Why is the pre-trip inspection so important? Federal and state laws, including those in Ohio, require pre-trip inspections of all commercial motor vehicles. The pre-trip inspection is the most effective way for a driver to identify mechanical issues like brake malfunctions, tire defects or problems with the steering system before going on what might be a long trip. Commercial vehicles require regular maintenance, and the pre-trip inspection helps prevent breakdowns before they happen.

The pre-trip inspection involves a walk-around procedure, which you should perform the same way every time to make it easier to remember. When learning about all the checks you must carry out, be sure to memorize them in an organized manner. More details on this procedure can be found in the official Ohio CDL manual, though many online resources are available to enhance your learning journey.

Our CDL Pre-Trip Inspection practice tests help you understand the pre-trip inspection process. Each practice test consists of 20 questions, and its format closely reflects the actual written exam. Since you have unlimited attempts, it is recommended that you develop a routine using these practice tests. Completing them daily will help you memorize and understand all questions related to the pre-trip inspection. When the day comes to take the actual CDL written test, you’ll already be familiar with its format.

This particular practice test has no time limit. Read each question twice and select the best answer for the scenario described. After each question, you’ll receive immediate feedback, including a detailed explanation highlighting the correct answer and the reasoning behind it. This way, you can use our CDL pre-trip inspection practice tests to learn and deepen your understanding of this critical aspect of commercial driving.

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

What you need to know

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 OH BMV 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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