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 Washington D.C. 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. Containers of hazardous materials must be:

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

2. In the Hazardous Materials Table, Column 2 lists:

Explanation
Column 2 of the Hazardous Materials Table lists the proper shipping names and descriptions of regulated materials.

3. When refueling a vehicle that contains hazardous materials:

Explanation
If you need to refuel a vehicle carrying hazardous materials, you must first turn off the engine. While refueling, someone must be at the nozzle and controlling the fuel flow at all times.

4. When loading hazardous materials, you should do all of the following, except:

Explanation
When loading hazardous materials, do not use hooks or tools that could damage containers or other packaging.

5. What shape is a placard indicating hazardous materials?

Explanation
In general, vehicles carrying hazardous materials are required to display diamond-shaped warning signs on all four sides. These warning signs are called "placards."

6. When loading or unloading explosive materials, you should:

Explanation
Always turn off your vehicle's engine before loading or unloading explosive materials. Never drop, throw, or roll packages containing explosives.
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