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 possible answer choices. To pass, the applicant must answer at least 16 questions correctly. Test questions come from the Arizona 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

8. Anti-Lock Braking Systems (ABS):

Explanation
An Anti-Lock Braking System (ABS) helps prevent wheels from locking up during a hard application of brakes.

9. An indicator that cargo contains hazardous materials is:

Explanation
Packaging can be an indicator of whether or not materials are hazardous. Cylinders and drums are often used to hold and transport hazardous materials.

10. In very hot weather, tires should be checked regularly because:

Explanation
Because air pressure increases with temperature, you should pay special attention to the tire mounting and pressure when traveling in hot weather.

11. What is the best way to stop if your brakes fail while you are driving downhill?

Explanation
If your brakes fail on a downgrade, you will need to quickly find something outside that can stop your vehicle. An escape ramp is the best option. If no escape ramp is available, use the least hazardous available option, such as driving into an open field or side road that flattens out or turns uphill.

12. As part of the vehicle inspection test, you will be asked to:

Explanation
During the vehicle inspection test, you will be required to do a complete inspection of your vehicle. During this inspection, you must explain to the examiner what you are inspecting and why you are inspecting those items.

13. When driving a tank vehicle, a driver should:

Explanation
Because liquid tanks can be vulnerable to surge, it is important to begin braking well in advance of a stop. Increase your following distance to reduce the need to stop suddenly.

14. Rust around wheel nuts may mean:

Explanation
Rust around wheel nuts can indicate that the nuts are loose. If you find rust near the wheel nuts, check their tightness before beginning to drive.

Frequently Asked Questions

To obtain a CDL Tank endorsement in Arizona, you must:

1. Hold a valid Arizona CDL or apply for a new CDL.
2. Pass a knowledge test for the Tanker endorsement.
3. Pass a skills test in a vehicle that requires a Tanker endorsement.
4. Meet the medical and physical qualifications for CDL drivers.
5. Provide proof of U.S. citizenship or lawful permanent residency in the U.S.
6. Provide proof of Arizona residency and identity.

Additionally, you must be at least 21 years of age to operate a commercial motor vehicle across state lines or transport hazardous materials.

Yes, you may need specific training or experience to obtain a CDL Tank endorsement.

While Arizona does not have specific training requirements for CDL Tank endorsement, it is highly recommended that you receive specialized training to operate vehicles carrying liquid or gas in bulk. This is because driving a tanker truck requires additional skills and knowledge due to the unique handling characteristics of a tanker vehicle.

Many truck driving schools and training centers offer specialized tanker truck training programs that cover topics such as loading and unloading, handling emergencies, and maintaining stability while driving.

Additionally, some employers may require prior experience operating a tanker truck before hiring you for a Tanker endorsement. It's always a good idea to check with potential employers about their specific requirements.

Yes, in order to obtain a CDL Tank endorsement, you will need to pass a written knowledge test in addition to the standard CDL knowledge test. The Tanker endorsement test will cover topics specific to driving a tanker truck, such as how to handle a vehicle with a high center of gravity and how to safely transport liquids or gases.

The Tanker endorsement knowledge test will consist of 20 multiple-choice questions, and you must score at least 80% to pass. You can prepare for the test by studying the Arizona Commercial Driver License Manual and the Tanker Endorsement section.

It's important to note that if you already hold a CDL, you may be able to add the Tanker endorsement by passing only the written knowledge test. However, if you are applying for your initial CDL, you will need to pass both the standard CDL knowledge test and the Tanker endorsement test.

The CDL Tank endorsement written test covers topics specific to the safe operation of a tanker truck. Here are some of the topics you can expect to see on the test:

1. Tanker Truck Inspection: This section covers the pre-trip inspection of a tanker truck, including checking for leaks and inspecting valves and hoses.

2. Tanker Truck Driving: This section covers how to handle a tanker truck, including how to drive smoothly and how to make turns safely.

3. Tanker Load Dynamics: This section covers how liquid cargoes can shift and affect the handling of your vehicle.

4. Hazardous Materials: This section covers the regulations around transporting hazardous materials, including proper labeling and safety precautions.

5. Emergency Procedures: This section covers what to do in case of an emergency, such as a spill or a leak.

6. Special Skills: This section covers specific skills needed for operating a tanker truck, such as pumping operations and coupling and uncoupling procedures.

It's important to study all of these topics thoroughly before taking the CDL Tank endorsement written test. You can find more information on these topics in the Arizona Commercial Driver License Manual and in tanker endorsement study materials provided by your training program or employer.

No, the CDL Tank endorsement written test does not require any specific skills or maneuvers to be demonstrated. However, you will need to demonstrate your knowledge of safe tanker truck operation, including proper inspection procedures, driving techniques, and emergency procedures.

To obtain the CDL Tank endorsement, you must pass the written test and meet the other requirements set by the Arizona Department of Transportation. These requirements may include a background check, a physical exam, and a road skills test.

During the road skills test, you will be required to demonstrate your ability to safely operate a tanker truck. This may include backing up, making turns, and other maneuvers specific to driving a tanker truck. You will also need to demonstrate your ability to properly inspect and maintain your vehicle.

It's important to prepare thoroughly for both the written test and the road skills test by studying the Arizona Commercial Driver License Manual and practicing your skills. You may also want to consider taking a training program or working with an experienced tanker truck driver to gain additional knowledge and experience.

Yes, there are some restrictions and limitations for drivers with a CDL Tank endorsement in Arizona. Here are some of the most important ones:

1. Endorsement Required: You must have a CDL Tank endorsement to operate a tanker truck or any vehicle that transports liquids or gases in bulk containers with a capacity of 1,000 gallons or more.

2. Age Requirement: You must be at least 21 years old to obtain a CDL Tank endorsement in Arizona.

3. Background Check: You will be required to undergo a background check to obtain a CDL Tank endorsement, and you may be disqualified if you have certain criminal convictions.

4. Hazmat Endorsement: If you are transporting hazardous materials in addition to liquids or gases, you will also need a Hazmat endorsement on your CDL.

5. Tanker Inspection: You must inspect your tanker truck before and after every trip to ensure that it is safe to operate.

6. Loading and Unloading: You must follow proper procedures for loading and unloading your tanker truck, including using the correct equipment and following safety protocols.

7. Special Skills: You must possess the special skills needed to operate a tanker truck safely, including knowledge of how liquid cargoes can shift and affect the handling of your vehicle.

It's important to understand these restrictions and limitations before obtaining a CDL Tank endorsement in Arizona. Be sure to read the Arizona Commercial Driver License Manual carefully and follow all applicable rules and regulations when operating a tanker truck.

No, you cannot transport liquids or gases in bulk containers with a capacity of 1,000 gallons or more without a CDL Tank endorsement in Arizona. It is illegal to operate a commercial motor vehicle without the proper license and endorsements.

In addition, if you are transporting hazardous materials in addition to liquids or gases, you will also need a Hazmat endorsement on your CDL. This endorsement is required for any driver who transports hazardous materials that require placarding.

It's important to note that driving a tanker truck requires special knowledge and skills beyond those required for other types of commercial motor vehicles. Tanker trucks have a higher center of gravity and are more prone to rollovers, which means that drivers must be especially cautious when driving and turning. They must also be familiar with the safe loading and unloading of liquids and gases.

If you are interested in operating a tanker truck, you will need to obtain the proper endorsements on your CDL and receive specialized training to ensure that you can operate the vehicle safely and legally.

You can add the CDL Tank endorsement to your existing CDL license in Arizona. To add the endorsement, you will need to pass the Tanker Vehicles endorsement knowledge test and any other required endorsements, such as Hazardous Materials (Hazmat), if you plan to transport hazardous materials.

You can add endorsements to your CDL license by visiting an Arizona Motor Vehicle Division (MVD) office and completing the required application and testing. You may also need to provide additional documentation, such as proof of citizenship or residency, medical certification, and a valid Social Security number.

It's important to note that adding a CDL Tank endorsement may also require additional training and certification beyond the knowledge test. This can include hands-on training in safe loading and unloading procedures, as well as specialized training in handling liquid cargoes.

Once you have passed the required tests and completed any necessary training, the MVD will update your CDL license with the new endorsement. It's important to keep your CDL license up-to-date with all required endorsements in order to legally operate commercial motor vehicles.

Yes, there are specific requirements and regulations for handling hazardous materials with a CDL Tank endorsement in Arizona.

First, you must have a Hazmat endorsement on your CDL license in addition to the Tanker Vehicles endorsement. This endorsement requires you to pass a separate knowledge test and a Transportation Security Administration (TSA) background check.

Second, you must comply with the Federal Motor Carrier Safety Administration's (FMCSA) Hazardous Materials Regulations (HMR), which include rules for packaging, labeling, placarding, and handling hazardous materials. These regulations are designed to protect public safety and the environment.

Third, you must carry documentation for any hazardous materials that you transport, including shipping papers, emergency response information, and placards or labels. You must also follow specific procedures for loading and unloading hazardous materials to ensure that they are handled safely and in compliance with the HMR.

Fourth, you must comply with any state or local regulations that apply to the transportation of hazardous materials. Some states may have additional requirements beyond the FMCSA's HMR.

Finally, it's important to note that the penalties for violating hazardous materials regulations can be severe. Violations can result in fines, license suspensions or revocations, and even criminal charges in some cases. It's important to take your responsibilities seriously when transporting hazardous materials and to stay up-to-date on all applicable regulations and requirements.
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