Tennessee HazMat Test (TN) 2026

4.9 out of 5 (327 votes)
80% Passing score
20 Questions
4 Mistakes allowed
Preparing for your TN HazMat CDL test can be challenging, but with the right tools, you can confidently tackle it. Our Tennessee DMV permit test practice is designed to provide a comprehensive review of all the essential topics needed to earn your HazMat endorsement. This includes learning about identification, handling, and transportation of hazardous materials, along with emergency procedures, placarding, and TSA security requirements. As a commercial driver in TN, it's crucial to have a thorough understanding of these topics. The Tennessee DMV practice test not only covers these areas but also emphasizes the importance of having immediate access to emergency response information while on the road. This is vital in case of any incidents involving hazardous materials. Our TN DMV permit test practice consists of 20 multiple-choice questions, and you'll need to answer at least 16 correctly to pass. The diverse range of questions will help you gauge your overall understanding and readiness for the actual permit test. This is an excellent way to assess your knowledge and identify any areas where you might need further study. Although this permit test practice is complementary to a state-certified driver's education or ELDT course, it does not replace the need for such programs. Instead, it serves as a valuable tool to use alongside these courses, helping you to better understand the materials and prepare effectively for your test. One of the standout features of our Tennessee practice permit test is the immediate feedback provided on each question. Each time you answer a question, you will receive a detailed explanation, helping you understand why the answer is correct or incorrect. This immediate feedback is invaluable for reinforcing your learning and ensuring you grasp the underlying concepts thoroughly. Remember, driving laws and regulations can vary from state to state, and our TN HazMat practice test is tailored to the specific rules and requirements of Tennessee. This ensures that you are studying relevant material that will directly apply to your test and your future driving career. So, if you're looking to boost your preparation and gain confidence in your ability to pass the HazMat endorsement test, our TN HazMat CDL test is the perfect tool for you. Dive into the questions, learn from the feedback, and get ready to succeed on your permit test.
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Sample Tennessee HazMat Test Questions

Question 1

Which condition prohibits carrying Division 1.1 or 1.2 explosives in a vehicle combination?

  1. A A vehicle in the combination is a cargo tank required to be marked or placarded
  2. B The combination has exactly two cargo-carrying vehicles
  3. C A full trailer has a 200-inch wheelbase
  4. D The tractor is pulling one semitrailer

Correct answer: A – A vehicle in the combination is a cargo tank required to be marked or placarded

Federal hazardous materials regulations prohibit carrying Division 1.1 or 1.2 explosives when any vehicle in the combination is a cargo tank required to be marked or placarded. The same section separately prohibits combinations with more than two cargo-carrying vehicles or a full trailer with a wheelbase under 184 inches. A 200-inch wheelbase does not trigger that particular restriction.

Source: Tennessee Commercial Driver’s License Manual — § 9.5.2, “Loading and Unloading,” “Precautions for Specific Hazards”, 49 CFR § 177.835(c) – Class 1 (explosive) materials

Question 2

Which sequence gives the correct order for a hazardous material's basic shipping-paper description?

  1. A Proper shipping name, hazard class, identification number, packing group
  2. B Hazard class, identification number, proper shipping name, packing group
  3. C Identification number, proper shipping name, hazard class, packing group
  4. D Identification number, hazard class, proper shipping name, packing group

Correct answer: C – Identification number, proper shipping name, hazard class, packing group

The basic description begins with the identification number, followed by the proper shipping name, hazard class or division, and packing group when one is assigned. The packing group is written as a Roman numeral and may be preceded by “PG.” The Tennessee manual presents the same sequence required by the federal shipping-paper regulation.

Source: Tennessee Commercial Driver’s License Manual — § 9.3.5, “The Item Description”, 49 CFR § 172.202(a) – Description of hazardous material on shipping papers

Question 3

What do shippers place on most hazardous-material packages to show the type of hazard?

  1. A Diamond-shaped hazard warning labels
  2. B The shipment's total weight
  3. C The destination address
  4. D The carrier's insurance information

Correct answer: A – Diamond-shaped hazard warning labels

Federal rules require specified hazardous-material packages to display the appropriate hazard labels. These labels alert handlers and drivers to the material's hazard and are separate from the shipment's shipping papers. The Tennessee manual describes them as diamond-shaped warning labels placed on most hazmat packages.

Source: Tennessee Commercial Driver’s License Manual — § 9.3.2, “Package Labels”, 49 CFR § 172.400(a) – General labeling requirements

Question 4

Which shipment requires a cargo tank motor vehicle to carry a gas mask approved for chlorine service?

  1. A Any shipment of flammable gas
  2. B Any shipment of hazardous waste
  3. C Chlorine transported in a cargo tank
  4. D All hazardous-material shipments

Correct answer: C – Chlorine transported in a cargo tank

Federal hazardous-material regulations permit a chlorine cargo tank motor vehicle to be shipped only when it has a gas mask approved for chlorine service. The vehicle must also carry an emergency kit designed to control leaks in fittings on the dome cover plate. This requirement does not apply to every flammable gas or hazardous waste shipment.

Source: Tennessee Commercial Driver’s License Manual — § 9.6.11, “Equipment for Chlorine”, 49 CFR § 177.840(e) – Class 2 (gases) materials

Question 5

What is the primary purpose of placards displayed on a vehicle carrying hazardous materials?

  1. A To communicate the cargo's hazard
  2. B To physically contain the material
  3. C To state the exact quantity aboard
  4. D To certify that the cargo is insured

Correct answer: A – To communicate the cargo's hazard

Placards are warning signs displayed on the outside of a transport vehicle or bulk package. They identify the hazard class so other drivers, dockworkers, enforcement personnel, and emergency responders can recognize the risk. The Tennessee manual treats placards as part of the hazardous-material communication system, not as containment or quantity-measuring devices.

Source: Tennessee Commercial Driver’s License Manual — § 9.1.2, “Communicate the Risk”, Tennessee Commercial Driver’s License Manual — § 9.3.3, “Lists of Regulated Products”

Question 6

For an RQ release that requires a written hazardous-material incident report, when must the report be submitted?

  1. A Within 7 days of discovery
  2. B Within 14 days of discovery
  3. C Within 15 days of discovery
  4. D Within 30 days of discovery

Correct answer: D – Within 30 days of discovery

Federal rules require the person who had physical possession of the hazardous material during a reportable incident to submit DOT Form F 5800.1 within 30 days after discovering the incident. This detailed written report is separate from any immediate telephone notification that may also be required. Applicable reporting exceptions must still be considered.

Source: 49 CFR § 171.16(a) – Detailed hazardous materials incident reports, Tennessee Commercial Driver’s License Manual — § 9.7.5, “Required Notification”

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