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  • Updated for November 2024
  • Based on 2024 OR commercial driver's license manual

Free Oregon CDL HazMat Practice Test 2024 | OR

Today, you will have a chance to prepare for a certification designed to make your career options more flexible and that could help you stand out from others in your commercial vehicle driving peer group: the Hazardous Materials (HazMat) endorsement. This practice test has been carefully created, based on information from the Oregon Commercial Driver License Manual and applicable local laws, to provide you with information and a realistic exam experience. Read each question, use the provided hints as necessary, and then read the explanations provided closely as well. These explanations have been written with the utmost care to ensure that you have extra figures and information that will help you understand each topic and answer future questions on them correctly when it matters most. Practice as often as necessary until you achieve a comfortable passing score to prepare for your big day (80% or higher recommended), and study often. Good luck now on your practice test, in the future on your exam, and always drive safely!

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

What you need to know

7 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 OR DMV exam

30

questions

24

correct answers to pass

80%

passing score

List of questions (classic view)

  1. What is a technical name?
  2. A placarded vehicle must carry a fire extinguisher with a minimum rating of
  3. Your engine runs a pump when you are delivering compressed gas. After finishing the delivery, when should you turn off the engine?
  4. If you are already carrying 100 pounds of silver cyanide, what precautions must you take if you are given papers at a dock to carry 100 cartons of battery acid?
  5. If you are carrying Division 1.2 or 1.3 materials, how far away must you park from a bridge, tunnel, or building?
  6. Which of the following hazard classes uses a transport index to determine how much of it can be loaded on a single vehicle for transport?
  7. Which of the following three hazard classes should NOT be placed into a temperature-controlled trailer (one with a heater/air conditioner unit)?
  8. In what location must you keep your shipping papers that describe any hazardous materials?
  9. The Emergency Response Guidebook (ERG)
  10. Which of the following materials are acceptable floor liners for transporting Division 1.1 or 1.2 materials?
  11. You must NEVER smoke or perform any activity involving fire within 25 feet of
  12. Where are the two main places that the hazardous material identification number appears?
  13. What is the purpose of a driver placarding his or her vehicle?
  14. A safe haven is
  15. When shippers package the material, they are trying to
  16. What action should you take if you discover your hazardous materials shipment leaking at a rest stop but there is no phone available?
  17. If you are carrying Division 1.2 or 1.3 materials, how far away must you park from the traveled portion of the roadway?
  18. How often should you check the tires on a placarded trailer that has dual tires?
  19. Which of the following are necessary qualifications for non-bulk packaging?
  20. Do you need to stop before a railroad crossing if you are hauling 100 pounds of Division 4.3 materials?
  21. What are the major differences between cargo tanks and portable tanks?
  22. Cargo tanks are
  23. To determine if you need to use placards, you do NOT need to know
  24. Besides the shipping papers and the packages, the other two places where the hazardous material identification number must appear are
  25. Which of the following is NOT an acceptable type of marking for hazardous materials?
  26. Which of the following hazard classes should NOT be placed into a temperature-controlled trailer (one with a heater/air conditioner unit)?
  27. A vehicle placarded for hazardous materials must have placards on ____ sides.
  28. NO ONE may smoke within 25 feet of any vehicle that contains explosives, oxidizers, or
  29. Identification numbers are preceded by the letters "UN" or "NA." The letters "NA" are associated with proper shipping names that are used where?
  30. If you are carrying a total of less than 200 pounds of the hazard classes in Placard Table 1,
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