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 Arkansas Commercial Driver License Manual. Questions come from chapters covering: Safety, Air Brakes, Combination Vehicles, Tank Vehicles and Doubles and Triples. The Tank endorsement can be used with the Class A, B or C CDL.

Number of Question
Passing Score

1. What is sleep debt?

Explanation
You can build up a "debt" of sleep if you do not sleep for adequate amounts of time. You can only catch up on the time that you "owe" by getting more sleep.

2. When turning, you should:

Explanation
Be sure to activate the appropriate turn signal well in advance of a turn or lane change. Signal continuously throughout the turn and make sure to cancel the signal after the turn is completed, if your vehicle doesn't have self-canceling signals.

3. All trailers made after ____ must be equipped with Anti-Lock Braking Systems (ABS).

Explanation
All trailers and converter dollies manufactured on or after March 1, 1998 must have Anti-Lock Braking Systems (ABS).

4. You should check and adjust your mirrors:

Explanation
Be sure to check your mirrors before beginning a drive. Your posture may change day to day and your mirrors may need to be adjusted.

5. A manifest for transporting hazardous waste:

Explanation
If you are transporting hazardous waste, you must carry with you a Uniform Hazardous Waste Manifest. The manifest must be signed by hand.

6. An Anti-Lock Braking System (ABS) will:

Explanation
Anti-Lock Braking Systems (ABS) will help you to maintain control during hard braking. ABS will not necessarily shorten your stopping distance.

7. Keeping cargo centered on a rig can:

Explanation
A rollover is more likely if cargo is unevenly loaded in a rig. To help prevent a dangerous rollover, it is important to keep a load as centered on the rig as possible.
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