Based on 2024 CO commercial driver's license manual
Free Colorado CDL HazMat Practice Test 2024
The best way to find a job with your commercial driver’s license in the state of Colorado is to be as qualified as possible, and that means making sure that you have qualifications that help you stand out in the field, like your Hazardous Materials (HazMat) endorsement. Using this practice test repeatedly will help you achieve an 80% passing rate that will ensure you receive your Colorado HazMat endorsement. Each question is devised by our expert writers with information directly from the Colorado Commercial Driver License Driver Manual, and each question’s explanation contains information that will help you answer questions about the same topic that may be written a bit differently in the future. You won’t find anything exactly like it anywhere else on the web! Practice until you feel confident, good luck on your HazMat exam, and remember to drive safely!
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.
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What are the two main places where the hazardous identification number appears?
The Emergency Response Guidebook (ERG)
Which of the following is NOT an acceptable type of marking for hazardous materials?
If you are already carrying 100 pounds of silver cyanide, what precautions must you take if you are given papers at the dock to carry 100 cartons of battery acid?
Do you need to stop before a railroad crossing if you are hauling 100 pounds of Division 4.3 materials?
You must NEVER smoke, or perform any activity involving fire, within 25 feet of
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 three hazard classes should NOT be placed into a temperature-controlled trailer (one with a heater/air conditioner unit)?
If you are carrying Division 1.2 or 1.3 materials, how far away must you park from the traveled portion of the roadway?
Besides the shipping papers and the packages, the other two places where the hazardous material identification number must appear are
To determine if you need to use placards, which of the following do you NOT need to know?
Cargo tanks are
What action should you take if you discover your hazardous materials shipment leaking at a rest stop but there is no phone available?
A placarded vehicle must carry a fire extinguisher with a minimum rating of
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?
What is the purpose of a driver placarding his or her vehicle?
How far away are you allowed to park from a bridge, tunnel, or building if you are carrying Division 1.2 or 1.3 materials?
What are the major differences between a cargo tank and a portable tank?
Which of the following is a necessary qualification for non-bulk packaging?
In what location must you keep your shipping papers that describe any hazardous materials?
Which of the following materials is an acceptable floor liner for moving Division 1.1 or 1.2 materials?
What is a technical name?
How often should you check the tires on a placarded trailer that has dual tires?
When shippers package the material, they are trying to
A safe haven is
A hazard class name or ID number may not be used to describe
A vehicle contains 500 pounds each of Division 1.1 explosives and Division 1.2 explosives. You must have
If the word “Forbidden” appears in the Hazard class column of an entry in the hazardous materials table,
A vehicle placarded for hazardous materials must have placards on ____ sides.
At a rest stop, you discover that your hazardous materials shipment is leaking but there is no phone available. What do you do?
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Our commitment to accuracy and quality in our practice tests
Explore our rigorous, multi-tiered verification process that ensures each question mirrors the official manual for unparalleled accuracy.
Written by Andrei ZakhareuskiUpdated over a week ago
At Driving-Tests.org, we understand the importance of reliable and accurate practice tests to help you prepare for your DMV exam. That's why we've developed a meticulous process to create and continually update our practice questions, ensuring they reflect the most current driving laws and regulations.
Here's an inside look at how we maintain the highest quality in our practice tests.
Content Creation and Verification Process
Alignment with Official Manuals: Every question we develop is based on the most recent version of each state's official driving manual. Our team regularly monitors each state DMV's website for the latest updates to ensure our practice tests are always aligned with the most current information.
Community Feedback Integration: We leverage feedback from our vast community of users to understand which topics are most frequently tested. This helps us focus on the areas that are most relevant and beneficial for your preparation.
Expert Content Creation: Our in-house editor, Steven, who has extensive experience in driver education, crafts each question with precision. He conducts a thorough review of each question against the official manuals to ensure accuracy.
Rigorous Review Process: Once Steven has finalized a set of questions, our team conducts a joint review session. This second level of scrutiny involves content accuracy, proofreading, and fact-checking to eliminate any errors.
User Feedback Mechanism: After a question goes live on our site, we keep the lines of communication open. Each question features a feedback button, inviting users to report any issues or errors. This continuous feedback loop allows us to address and rectify any concerns promptly.
Responsive Updates: In line with our commitment to accuracy, we quickly update our practice questions to reflect any changes in the DMV manuals. Additionally, we update the free electronic copy of the state's driver's license manuals on our site, typically within a few days after the DMV publishes them.
Our thorough quality control process ensures that you have access to practice tests that are as accurate and up-to-date as possible. We believe in the power of well-prepared drivers and are dedicated to providing you with the best study tools to help you succeed on your DMV exam.
