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

7. If a shipping paper describes both hazardous and non-hazardous materials, the hazardous materials may need to be:

Explanation
If a shipping paper describes both hazardous and non-hazardous materials, the hazardous materials must be distinguished in one of three ways. They must be entered first on the shipping paper, highlighted in a contrasting color, or properly marked with an "X" in a column titled "HM."

8. If you identify hazardous materials leaking while you are driving, you should:

Explanation
If you discover that a cargo of hazardous materials is leaking from your vehicle, you should park the vehicle as soon as possible. The longer you continue driving, the longer the trail of contamination becomes. While this creates potential danger and harm to others, it also increases clean-up expenses.

9. Placards showing the type of hazardous materials in a vehicle are usually which shape?

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."

10. 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.

11. When traveling with Division 1.1 explosives, you may park no closer than ____ from the nearest building.

Explanation
When carrying Division 1.1, 1.2, or 1.3 explosives, you should not park within 300 feet of a bridge, tunnel, or building, unless you are parking for a short period of time while performing an operational necessity, like refueling.

12. When Division 1.3 materials are being transported, the floor liner should be:

Explanation
You should use a floor lining when transporting Division 1.1, 1.2, or 1.3 materials. The floors must be tight and the liner must be made from either non-metallic material or non-ferrous metal. Non-ferrous metals are any metals that do not contain iron or iron alloys.
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