HazMat

This endorsement is required to haul hazardous materials as defined in Title 49, CFR, §383.5. To receive this endorsement, drivers must also pass a Transportation Security Administration background.. Read More

This endorsement is required to haul hazardous materials as defined in Title 49, CFR, §383.5. To receive this endorsement, drivers must also pass a Transportation Security Administration background check. To receive this endorsement, applicants must pass a test. The test consists of 30 multiple choice questions. To pass, the applicant must answer at least 24 questions correctly. Each question has four possible answer choices. Test questions come from the Michigan Commercial Driver License Manual. Questions come from the chapter covering: Hazardous Materials. The Hazardous Materials endorsement can be used with Class A, B and C CDL.

Number of Question
Passing Score

1. To transport hazardous materials, a driver needs:

Explanation
To drive a vehicle of any size that is used to transport hazardous materials, you must have a CDL with a hazardous materials endorsement.

2. Containers of hazardous materials must be:

Explanation
Containers of hazardous materials should be braced so they will not fall, slide, or bounce around during transportation.

3. When trying to control a minor truck fire, what should you do before opening trailer doors?

Explanation
If you are experiencing a truck fire, you should not attempt to open trailer doors without first feeling the doors to see if they are hot. If the doors are hot, there may be a cargo fire. Leave the doors closed if there is a cargo fire.

4. When approaching a railroad crossing while transporting chlorine:

Explanation
If transporting any amount of chlorine, a driver must always stop at a railroad crossing 15 to 50 feet from the nearest track, regardless of the presence of a train.

5. Load hazardous materials:

Explanation
Always load hazardous materials away from heat sources. Be aware of regulations on explosive or flammable materials that prohibit them from being loaded in cargo spaces with heaters.

6. When loading compressed gas, the liquid discharge valves should be:

Explanation
On a compressed gas tank, liquid discharge valves must always be kept closed, except during loading and unloading.
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