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 four possible answer choices. To pass, the applicant must answer at least 16 questions correctly. Test questions come from the Kansas Commercial Driver License Manual. Questions come from chapters covering: Cargo, Passengers and Tank Vehicles. The Tank endorsement can be used with the Class A, B or C CDL.

Number of Question
Passing Score

8. The best way to recognize that your trailer has begun to skid is by:

Explanation
The earliest and best way to recognize the beginnings of a trailer skid is by seeing the trailer veer off-course in your mirrors.

9. A fully-loaded tank vehicle:

Explanation
Empty tank vehicles often require more space to come to a complete stop than fully-loaded tank vehicles. Wet roads will double a normal stopping distance.

10. Which of the following is not a tire problem to check for and avoid?

Explanation
During an inspection, there are a number of tire problems to check for and avoid. Look for air pressure that is too low or too high; excessive wear; cuts or other damage; tread separation; dual tires that come into contact with each other or other parts of the vehicle; mismatched tire sizes; radial and bias-ply tires used together; cut or cracked valve stems; and regrooved, recapped, or retreaded tires on the front wheels of a school bus.

11. If your trailer goes off course while you are backing, you should:

Explanation
If your trailer goes off course while you are backing, you should pull your truck forward and reposition your vehicle as needed before continuing to back up.

12. Mirrors should be adjusted:

Explanation
Mirrors should be checked prior to the beginning of a trip. On a vehicle with a trailer, mirror adjustment can only be checked accurately if the connected trailer is straight.

13. Stopping distance can be affected by:

Explanation
Stopping distance is affected by a vehicle's speed. The faster you are driving, the longer your stopping distance will become.

14. Which of the following is not an example of a shipping paper?

Explanation
A shipping paper describes hazardous materials being transported. Shipping orders, bills of lading, and manifests are all shipping papers.
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