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

Free California CDL HazMat Practice Test 2024 | CA

Receiving your Hazardous Materials (HazMat) endorsement is a smart way to expand your career as a commercial vehicle driver. The first steps to achieving the 80% passing grade on the exam that will help you get your endorsement are to study and take practice tests. This 30-question multiple-choice test based directly on the California Commercial Driver Handbook closely simulates the real exam that you will face. To give you the most realistic testing experience, our expert writers have revised questions that the Handbook states may be on the real exam. Visit and retake this practice test as often as necessary. Reading the hints and explanations carefully so that you will understand each question and answer. You’re now on your way to a successful HazMat endorsement exam – good luck!

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 CA DMV exam

30

questions

24

correct answers to pass

80%

passing score

List of questions (classic view)

  1. Which of the following materials is an acceptable floor liner for moving Division 1.1 or 1.2 materials?
  2. The Emergency Response Guidebook (ERG)
  3. Besides the shipping papers and the packages, the other two places where the hazardous material identification number must appear are
  4. Which hazard classes must you NEVER smoke or perform any activity involving fire, within 25 feet of?
  5. If you are carrying Division 1.2 or 1.3 materials, how far must you park from the traveled portion of the roadway?
  6. A placarded vehicle must carry a fire extinguisher with a minimum rating of
  7. In what location must you keep your shipping papers that describe any hazardous materials?
  8. A driver placards his or her vehicle
  9. What are the major differences between a cargo tank and a portable tank?
  10. A safe haven is
  11. Which of the following is a necessary qualification for non-bulk packaging?
  12. At a rest stop, you discover that your hazardous materials shipment is leaking but there is no phone available. What do you do?
  13. How far must you park from a bridge, tunnel, or building if you are carrying Division 1.2 or 1.3 materials?
  14. Do you need to stop before a railroad crossing if you are hauling 100 pounds of Division 4.3 materials?
  15. What is a technical name?
  16. Your engine runs a pump when you are delivering compressed gas. When should you turn off your engine?
  17. If you are carrying 100 pounds of silver cyanide and you are given papers at the shipper's dock to carry 100 cartons of battery acid as well,
  18. 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?
  19. Which of the following hazard classes should NOT be placed into a temperature-controlled trailer (one with a heater/air conditioner unit)?
  20. Which of the following is NOT an acceptable type of marking for hazardous materials?
  21. When shippers package the material, they are trying to
  22. Cargo tanks are
  23. What are the two main places on which the hazardous materials identification number appears?
  24. To determine if you need to use placards, which of the following do you NOT need to know?
  25. How often should you check the tires on a placarded trailer that has dual tires?
  26. For the hazard classes in Placard Table 2, you must use placards only if you are transporting a total of
  27. If an incident involving hazardous materials results in more than ________ of estimated property damage, you or your employer must phone the National Response Center to report it.
  28. A shipping paper for hazardous materials must include
  29. Foodstuffs for animal or human consumption must not be loaded in the same cargo space with
  30. If your vehicle is placarded, you must stop _______ feet before the nearest rail at a railroad crossing.
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