Hazmat Descriptions and Identification Numbers

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Build confidence with 10 original questions about Hazmat Descriptions and Identification Numbers. Review your answers and explanations after finishing.

Supplemental study practice. This is not a government licensing exam or ELDT certification, and does not replace hands-on training. Follow your state’s current handbook.

1 / 10

You are reviewing a hazardous materials shipping paper. What is the correct order for the basic description of each hazardous material?

Identification number, proper shipping name, hazard class or division, packing group

Proper shipping name, hazard class, packing group, identification number

Packing group, shipping name, hazard class, identification number

Hazard class, identification number, packing group, shipping name

2 / 10

You are transporting hazardous materials in a portable tank with a capacity of 1,200 gallons. Where must the identification number be displayed?

On the cab doors

Only on the driver’s side

On each side and each end of the tank

On the shipping papers only

3 / 10

You are checking the Hazardous Materials Table before transporting a shipment. What information does Column 4 provide?

The shipping mode affected

The required hazard warning labels

The identification number for each proper shipping name

The packing group in Roman numerals

4 / 10

You are stopped by law enforcement while transporting hazardous materials. Which documents may the officer check?

Only the vehicle registration

Only the bill of lading

Shipping papers, vehicle placards, and your hazmat endorsement

Only your driver’s license

5 / 10

A shipper gives you a hazardous material package with a diamond-shaped label. What is the purpose of this label?

To show the shipment is insured

To display the package’s weight

To indicate the package is fragile

To warn others of the hazard contained in the package

6 / 10

You are loading a cargo tank with flammable liquids. What must you do before starting to load?

Check the tire tread depth

Remove all placards

Turn off the engine unless it is needed to operate a pump

Place cones around the vehicle

7 / 10

You are stopped for a roadside inspection while transporting hazardous materials. Where should you keep the shipping papers so they can be quickly located by emergency responders if you are unable to communicate?

In a pouch on the driver’s door

Under the passenger seat

In the glove compartment

In a locked toolbox outside the cab

8 / 10

You are preparing to transport hazardous materials. What is one of your responsibilities before accepting a shipment from a shipper?

Verify the shipper's insurance coverage

Weigh the shipment on a certified scale

Contact local law enforcement

Check that the hazardous materials are properly described, packaged, marked, and labeled

9 / 10

You are reviewing a shipping paper that lists both hazardous and non-hazardous materials. How should the hazardous materials be identified?

By being written in italics

By using only abbreviations for their names

By being listed last on the document

By being entered first, highlighted, or marked with an 'X' in the 'HM' column

10 / 10

While loading a cargo tank with hazardous materials, what must you do before moving the vehicle, regardless of the amount or distance?

Inspect the fire extinguisher

Secure the placards

Close all manholes and valves

Check tire pressure

Your score is

The average score is 0%

About the Hazmat Descriptions and Identification Numbers practice quiz

This practice quiz focuses on Hazmat Descriptions and Identification Numbers, listed under CDL Practice — Hazardous Materials. Use it to check what you understand, spot topics to revisit, and connect the material to safe, informed decisions on the road.

Before you begin

Keep your current CDL manual or course notes nearby. Read each prompt carefully and think through why an answer fits, especially when a question describes a vehicle, road, or workplace situation. Licensing rules and procedures can vary, so confirm requirements with current official materials for your state.

After you finish

Review any explanations shown with your results. Note unfamiliar terms or missed concepts, then revisit your manual or course notes before trying again. Use your score to guide study; understanding why an answer is correct matters more than the number alone.

Study note: These quizzes are independent study practice. They are not state licensing exams, official government materials, or ELDT certification, and they do not replace required training.

Explore CDL Tests to find more practice by subject.