Tank

This endorsement is required to haul any liquid or gaseous materials in a tank or tanks having a capacity of 1,000 gallons or more that is either permanently or temporarily attached to the vehicle or.. Read More

This endorsement is required to haul any liquid or gaseous materials in a tank or tanks having a capacity of 1,000 gallons or more that is either permanently or temporarily attached to the vehicle or chassis. To receive this endorsement, applicants must pass a test. The test consists of 20 multiple choice questions. Each question has three or four possible answer choices. To pass, the applicant must answer at least 16 questions correctly. Test questions come from the Mississippi Professional Driver’s Manual. Questions come from chapters covering: Transporting Cargo, Transporting Passengers and Tank Vehicles. The Tank endorsement can be used with the Class A, B or C CDL.

Number of Question
Passing Score

1. Unless a package is clearly unsafe, what does the driver need to accept a package of hazardous materials?

Explanation
Unless a package is clearly unsafe or does not comply with the Hazardous Materials Regulations, you may accept the shipper's certification that it was properly packaged.

2. During an inspection, it is most important to check your tank vehicle for:

Explanation
When inspecting any style of tank, the most important thing for a driver to check for is leaks. Transporting any type of gas or liquid in a leaking tank is illegal.

3. Carry-on bags should be placed:

Explanation
Bus passengers should not be allowed to leave baggage in any doorway or aisle. Baggage and freight must be secured in a manner that will prevent damage, allow the driver to move freely and easily, allow riders to exit by any window or door in an emergency, and protect riders from injury if the items fall or shift.

4. When a shipper packages hazardous materials, they certify that the package:

Explanation
When a shipper packages hazardous materials, they are certifying that the package has been prepared in accordance with its applicable rules.

5. Containers of hazardous materials must be:

Explanation
Brace containers so they will not fall, slide, or bounce around during transportation. All hazardous materials packages must be secured.

6. A bridge formula:

Explanation
Maximum axle weights are often set by a bridge formula, which sets a lower maximum weight for axles that are close together.

7. Class 1, Class 2.1, and Class 3 materials should not be placed in a trailer with:

Explanation
The use of cargo heaters is not always permitted. When transporting materials that are categorized as Class 1 (Explosives), Class 2.1 (Flammable Gases), or Class 3 (Flammable Liquids), the use of heaters in the same space is generally prohibited.
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