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. During a bus ride:

Explanation
Do not allow riders to leave carry-on baggage in any doorway or aisle. There should be nothing in the aisle that might trip other riders. Secure baggage in a way that prevents damage.

2. Tanks have high centers of gravity, which means:

Explanation
Tank vehicles have high centers of gravity, which makes them vulnerable to rollover.

3. In general, before loading or unloading any flammable liquids, an engine should be:

Explanation
Before loading or unloading a tank with flammable liquids, you should turn off the engine, unless running the engine is necessary to operate a pump. Ground the tank before opening the filling hole and maintain the ground until after closing the filling hole.

4. Identification numbers assigned to chemicals can be found:

Explanation
The United States Department of Transportation (DOT)’s Emergency Response Guidebook (ERG) lists all hazardous chemicals and their assigned identification numbers.

5. Driving with a cargo of hanging meat in a trailer:

Explanation
An operator should drive with care when transporting a cargo of hanging meat. Such a load is unstable, both because it has a high center of gravity and because the swinging of the meat can affect the driver's handling of the vehicle.

6. When loading or unloading a tank that is divided by bulkheads, equal weight distribution is:

Explanation
Some tanks are divided into multiple smaller tanks by bulkheads. When loading or unloading such tanks, pay attention to weight distribution. Be careful not to place too much weight on a single end of the tank.

7. Manhole covers:

Explanation
Be sure to inspect your vehicle before driving. Never drive a tank vehicle with open valves or manhole covers.
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