CDL Hazardous Materials Test 12 – Classic Mode

This is CDL Hazardous Materials Test 12 in our original Classic Mode. Simply click in your answer to each CDL practice test question. When you're finished, check your score and results. You can reset the test and retake it as needed.


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1. If you must drive across a railroad crossing, you must...

A Shift gears quickly as you're crossing tracks
B Never shift gears while crossing tracks
C Shift gears only if you are sure no train is coming
D All of the above

2. When transporting both hazardous and non-hazardous materials, your bills must...

A Describe the hazardous materials last
B Have the non-hazardous materials highlighted
C Identify the materials by the letter X or RQ in the HM column
D Make sure that no hazardous materials are highlighted

3. When transporting explosives you may not...

A Park within 500 feet of the traveled part of the road
B Park within 300 feet of a tunnel
C Drive through a construction zone
D None of the above

4. The hazard class of all materials specifies...

A The order the materials get loaded on your trailer
B How much of the material is on your trailer
C The risks associated with the materials
D The order of the deliveries

5. The transport index of a radioactive material:

A Dictates the maximum speed at which you can transport the material.
B Is something the dispatcher will tell you on a need to know basis.
C Tells the degree of control needed during transportation.
D None of the above.

6. How many different hazard classes are there?

A 11
B 22
C 9
D 19

7. A placard is required for a combustible liquid at?

A 110 gallons or more
B Over 100 gallons
C 1001 pounds or more
D 110 cubic liters or more

8. You cannot load some products together in the same cargo space.  This is specified in which of the following tables?

A Segregation and Separation Chart
B List of Hazardous Substances and Reportable Quantities
C Placard Table
D Transport Index Table

9. A placard cannot be placed...

A Closer than three inches from any other markings
B More than three inches from the back of the trailer
C More than three inches from the bottom or the trailer
D Less than three inches from the front of the trailer

10. You may not park a vehicle carrying hazardous materials within ____ of an open fire.

A 300 yards
B 300 feet
C 150 meters
D 1 mile

End of Test #12

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