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

1. Looking far ahead of your vehicle while driving is:

Explanation
Good drivers look down the road at least 12 to 15 seconds ahead of their vehicles. This makes it possible to identify hazards early, when drivers are more likely to have time to respond appropriately.

2. If a roadway is covered by fog, it is best for you to:

Explanation
Driving in fog is always dangerous. If possible, you should always avoid driving under foggy conditions.

3. What is another name for the service line?

Explanation
The service line, also called the control line or signal line, carries air to the trailer brakes and is controlled by the foot brake or trailer hand brake.

4. Unbaffled tanks are also referred to as ____ tanks.

Explanation
Unbaffled tanks are also often referred to as "smooth bore tanks."

5. Don't spend too much time looking at a single mirror because:

Explanation
Check you mirrors frequently while driving, but check them quickly. Staring at one mirror for too long can cause you to drive a long distance without knowing what is ahead.

6. Hydraulic brakes can fail due to:

Explanation
Failure of hydraulic brakes is often caused by a loss of hydraulic pressure. Hydraulic brakes may also fade because of overuse on a long downgrade.

7. Which type of material may be required to have a transport index?

Explanation
Some radioactive materials are required to be accompanied by a transport index. A transport index is a number that indicates how much control the material will require during transport. The total transport index of all cargo in a single vehicle may not exceed 50.
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