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FREE 2024 Oklahoma (OK) Hazardous Material Quick Review 1

2024 OK Hazardous Material Information

The Hazardous Material (HazMat) endorsement will need to be added to your CDL if you plan to transport any materials that have been deemed “hazardous” by the Federal Motor Carrier Safety Regulations (FMCSR) guidelines. These can include liquids (tanker endorsement also required), batteries, poisons, and explosives.

We have complied the top 120 questions to appear on the HazMat endorsement exam. The questions have been based on the 2024 Oklahoma CDL drivers’ manual. The exam will consist of 30 multiple choice questions, and you will need at least 80% (24 out of 30) to pass the HazMat endorsement exam.

Passing the HazMat exam is the first step in getting the endorsement. You will also have to get fingerprinted and pass a TSA Hazardous Material endorsement threat assessment to be approved to carry a HazMat endorsement. Our test have been used since 1999 to pass the HazMat endorsement exam.

Image of Oklahoma's Driver's License

Based on the 2024 OK CDL Driver's Manual

OK Hazardous Material Fact Sheet
Questions on Test:
30
Correct answers needed to pass:
24
Passing Score:
80%
Age to apply:
18
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How many different hazard classes are there?

Possible Answers:

9
23
24
Answer:
9
Explanation:
Hazardous materials are categorized into nine major hazard classes and additional categories for consumer commodities and combustible liquids.
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  1. How many different hazard classes are there?
  2. What placard must be used with an inhalation hazard load?
  3. A truck carrying explosives has crashed with another vehicle. You should not pull them apart until?
  4. The shippers' package hazardous materials, they must certify that this was done according to the regulations. The only exception is when:
  5. Which signals may be used to warn of a stopped vehicle that contains explosives?
  6. Class 8 is placarded as?
  7. The transport index of a radioactive material:
  8. A properly prepared uniform hazardous waste manifest:
  9. An "A or W" the first column of the hazardous materials table means:
  10. When is it necessary to ground the trailer?
  11. The total transport index of all radioactive material packages in a single vehicle must not exceed _____.
  12. Which of the following must drivers have in their possession while transporting class 1.1 or 1.3 explosives?
  13. On a public roadway with a placarded tanker hauling flammable liquids, when can you transfer from one tanker to another?
  14. If in a materials class is the word "forbidden", what kinds of materials are you still allowed to haul?
  15. What is the shape and size of a placard?
  16. When handling packages of explosives, you must:
  17. Which of the following, if required, must the shipper put on the package.
  18. Whenever your vehicle is placarded, do not drive near open fires unless you:
  19. A hazard class name or ID number may not be used to describe a:
  20. Column 1 or the symbols column the "I" means:
  21. What action should you take if you discover your hazardous materials shipment leaking at a rest stop but there is no phone available?
  22. In what location must you keep your shipping papers that describe any hazardous materials?
  23. You must never smoke or perform any activity involving fire within 25 feet of
  24. What is the purpose of a driver placarding their vehicle?
  25. 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?
  26. The other two places where the hazardous material identification number must appear are
  27. When there is a hazardous materials emergency, what should you do?
  28. Whose signatures must be on a Hazardous Waste Manifest?
  29. To obtain a hazardous materials endorsement, you must know how to
  30. A shipping paper for hazardous materials must include
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