Class 7 Radioactive Materials - ONLINE CDL SCHOOL

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Class 7 Radioactive Materials

Build confidence with 10 original questions about Class 7 Radioactive Materials. 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 loading Class 7 (Radioactive) materials with different transport indexes. How does the transport index affect how you load the packages?

It determines the color of the label

It tells you which placard to use

It determines how close packages can be to people and other cargo

It indicates the required shipping paper format

2 / 10

After a spill involving Class 7 (Radioactive) materials, what should you do before using the vehicle again?

Do not use the vehicle until it is cleaned and checked with a survey meter

Rinse the area with water and continue

Ventilate the cargo area for one hour

Replace only the damaged packages

3 / 10

You are loading several packages of Class 7 (Radioactive) materials, each labeled with a transport index. What is the maximum total transport index allowed in a single vehicle?

100

4 / 10

While transporting Class 7 (Radioactive) materials, you notice a package is leaking. What is the first thing you should do?

Attempt to clean up the leak yourself

Notify your dispatcher or supervisor immediately

Continue driving to your destination

Move the package to the cab

5 / 10

You are transporting Class 7 (Radioactive) materials and unexposed film. What must you consider when loading these items?

Radiation from the radioactive packages can damage film, so you must follow rules for their proximity

Film must be placed in the cab

Film and radioactive materials can be mixed without restriction

Film must always be loaded above radioactive materials

6 / 10

During an emergency transfer of Division 1.1 explosives on a public roadway, which of the following must you do if Class 7 (Radioactive) materials are present?

Mix the explosives and radioactive materials together

Set out red warning reflectors, flags, or electric lanterns to warn others

Only notify your supervisor after the transfer

Transfer the materials without warning devices

7 / 10

You are transporting a mixed load that includes Class 7 (Radioactive) materials. What must you check before loading other hazardous materials?

Place all hazardous materials together

Load radioactive materials last

Use only metal containers

Consult the segregation table to ensure materials are compatible

8 / 10

You are about to load a package of Class 7 (Radioactive) material labeled ‘Yellow III’ onto a vehicle that already contains Division 1.1 explosives. What should you do?

Proceed as long as the packages are secured

Place the radioactive material in a separate compartment

Load the radioactive material on top of the explosives

Do not load the radioactive material with Division 1.1 explosives

9 / 10

A package of Class 7 (Radioactive) material has a transport index of 1.1. According to regulations, how close can you place this package to people or cargo space walls?

Anywhere in the cargo space

Within six inches

No closer than two feet

Directly against the wall

10 / 10

You are transporting Class 7 (Radioactive) materials. What documentation must you carry if you transport route controlled radioactive materials?

A letter from your employer

A copy of the Hazardous Materials Table

A copy of your vehicle registration

A dated certificate of radioactive materials training from the last two years

Your score is

The average score is 0%

About the Class 7 Radioactive Materials practice quiz

This practice quiz focuses on Class 7 Radioactive Materials, 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.

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