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 South Dakota Commercial Driver License Manual. Questions come from chapters covering: Driving Safely, Tank Vehicles, Hazardous Materials and Combination Vehicles. The Tank endorsement can be used with the Class A, B or C CDL.

Number of Question
Passing Score

1. If an Anti-Lock Braking System (ABS) is equipped on a trailer but not on a tractor:

Explanation
A vehicle being equipped with anti-lock brakes on only the tractor or only the trailer provides additional control during braking.

2. How often do hazardous materials employees need to be trained?

Explanation
Employees who work with hazardous materials must be trained and tested at least once every three years.

3. You may be an aggressive driver if you:

Explanation
Avoid being an aggressive driver by being realistic about your travel time, making allowance for delays, maintaining reasonable following distances, and not making hand gestures that could anger another driver.

4. An Anti-Lock Braking System (ABS):

Explanation
Beginning between 1997 and 1999, most commercial vehicles, trailers, and dollies are required to be equipped with ABS.

5. If planning to change lanes, your mirrors should:

Explanation
While regular mirror checks should be part of your normal scanning routine, be especially sure to check your mirrors when changing lanes.

6. If transporting a package that contains radioactive materials, it is important to know that:

Explanation
Radiation surrounds packages of radioactive materials and passes through to other nearby packages. To address this, the number of radioactive packages that can be loaded together is limited.

7. The service air line is attached to the:

Explanation
The service air line carries air and is controlled by either the foot brake or trailer hand brake. The service air line is attached to relay valves, which allow the trailer brakes to be applied quickly.
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