- Updated for January 2025
- Based on 2025 WY commercial driver's license manual
Free Wyoming CDL HazMat Practice Test 2025
Transporting cargo through Wyoming’s unique terrain gives you the opportunity to experience the Rocky Mountains, including the Wind River Range and Bighorn Mountains, as well as the high winds of the Plains areas in this often-breathtaking state. Adding the Hazardous Materials (Hazmat) endorsement to your Commercial Driver’s License (CDL) is an excellent next step to expand your job market and potentially increase your pay as you navigate these beautiful areas!
The Hazmat endorsement qualifies drivers to transport materials classified as hazardous by the U.S. government. In the Equality State, hazardous materials transported include oil, natural gas, ammonium nitrate, propane, and certain agricultural chemicals. Some prominent organizations in Wyoming include Halliburton in Casper (oilfield services and chemicals), Sinclair Oil Corporation (fuel and oil transport), and Black Hills Corporation in Cheyenne energy and propane distribution). All of these organizations rely on drivers with the Hazmat endorsement.
Obtaining the Hazmat endorsement is a detailed process with several steps in place to ensure that drivers are properly trained to handle these materials safely. It does involve a knowledge test administered by the DOT, which covers federal regulations, substance handling, packaging, quantity limits, and transport configurations for hazardous materials. You’ll need a score of 80% on Wyoming’s 30-question knowledge test to pass (Wyoming CDL Handbook 2025). But before you begin studying for that test, you’ll want to take care of the mandatory fingerprinting and background check conducted by the Transportation Security Administration (TSA). Results from TSA can take weeks, so you’ll want to use that wait time to prepare for the aforementioned DOT knowledge test.
The good news is that we have streamlined the content of our online Wyoming DOT Hazmat Endorsement practice tests to avoid any unnecessary information and designed the practice tests to resemble what you will face on the official DOT test. We also provide feedback on each response in real time so you can learn as you go without waiting until the end for corrections. Ready to kick things off? Once you receive your TSA results and feel prepared by all the practice, you’ll visit the DOT with the necessary documents, pay the fees, pass the test, and take the next big step in your career.
- Perfect for first-time and renewal CDL/CLP applicants, and those adding endorsements
- Triple-checked for accuracy
What you need to know
What to expect on the actual WY DOT exam
questions
correct answers to pass
passing score
Helpful links
List of questions (classic view)
- To determine if you need to use placards, which of the following is NOT something you need to know?
- Your engine runs a pump when you are delivering compressed gas. After finishing the delivery, when should you turn off the engine?
- Which of the following are necessary qualifications for non-bulk packaging?
- When shippers package the material, they are trying to
- A safe haven is
- Besides the shipping papers and the packages, the other two places where the hazardous material identification number must appear are
- 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?
- What is the purpose of a driver placarding his or her vehicle?
- Which of the following materials are acceptable floor liners for transporting Division 1.1 or 1.2 materials?
- What are the major differences between cargo tanks and portable tanks?
- 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?
- How often should you check the tires on a placarded trailer that has dual tires?
- If you are carrying Division 1.2 or 1.3 materials, how far away must you park from the traveled portion of the roadway?
- Where are the two main places where the hazardous material identification number appears?
- The Emergency Response Guidebook (ERG)
- What is a technical name?
- Cargo tanks are
- Do you need to stop before a railroad crossing if you are hauling 100 pounds of Division 4.3 materials?
- A placarded vehicle must carry a fire extinguisher with a minimum rating of
- You must NEVER smoke or perform any activity involving fire within 25 feet of
- If you are carrying Division 1.2 or 1.3 materials, how far away must you park from a bridge, tunnel, or building?
- Which of the following is NOT an acceptable type of marking for hazardous materials?
- In what location must you keep your shipping papers that describe any hazardous materials?
- Which of the following three hazard classes should NOT be placed into a temperature-controlled trailer (one with a heater/air conditioner unit)?
- What action should you take if you discover your hazardous materials shipment leaking at a rest stop but there is no phone available?
- If an "X" or an "RQ" is in the HM column of a shipping paper entry, then
- Division 1.1 or 1.2 explosives must not be transported in a combination vehicle if the vehicle includes
- If there is an "RQ" before or after the item description on the shipping paper, it means that
- If a shipment contains both hazardous and non-hazardous materials, the shipping paper must
- You may not park a vehicle carrying explosives within ____ feet of an open fire.
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