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

Free Washington CDL HazMat Practice Test 2024 | WA

Now is the time to start preparing to take your Hazardous Materials (HazMat) endorsement exam, and a great way to do this is with a free practice test. This 30-question multiple-choice test is based closely on information from the Washington Department of Licensing Commercial Driver Guide. Each question also includes a hint and explanation. You’ll want to read each hint and explanation closely, as these are designed to help you answer future questions correctly that may be worded differently on your real HazMat exam. We recommend taking the practice test as often as necessary until you achieve a passing score that will help you feel confident on exam day (80% or higher recommended), which may help you pass your HazMat exam the first time. Good luck both now and on the HazMat 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

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.
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 WA DOL exam

30

questions

24

correct answers to pass

80%

passing score

List of questions (classic view)

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