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 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 nitric acid should be:

Explanation
Nitric acid should not be stacked above any other product. Containers of nitric acid may be stacked, but no higher than two containers high.

2. The only way to properly check your tire pressure is by:

Explanation
You must examine each tire on a motor vehicle at the beginning of each trip. The only effective way to check tire pressure is by using a tire pressure gauge.

3. To determine which placard(s) you must use when carrying hazardous materials, you need to know:

Explanation
Hazardous materials placards are placed on the outside of a vehicle to identify the hazard classes of materials being carried.

4. Materials that are considered hazardous may include all of the following, except:

Explanation
Hazardous materials are products that pose risks to health, safety, and property during transportation. Materials that are considered hazardous include explosives; flammable and poisonous gases; and flammable and other hazardous solids.

5. The only way to properly check tire pressure is by:

Explanation
You should examine your tires at the beginning of every trip and after every stop to ensure that they are properly inflated. The only acceptable way to check tire pressure is to use a tire pressure gauge.

6. Which of the following is not an acceptable location to keep hazardous materials' shipping papers?

Explanation
When the vehicle is being driven, hazardous materials' shipping papers must be kept in a pouch on the driver's door or somewhere else that is in clear view and within the driver's reach. If the driver is outside of the vehicle, the shipping papers should be kept on the driver's seat.
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