# 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..

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 Hawaii 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. Having anti-lock brakes on only one axle:

Explanation
If a vehicle has anti-lock brakes on just one axle, the driver will still have more control during braking than they would without any anti-lock brakes.

### 9. Parked delivery trucks may be hazardous because:

Explanation
Passing parked delivery or postal trucks can be dangerous because the driver may be in a hurry and pull into traffic without warning, or may they suddenly step out of the vehicle without checking for other traffic.

### 10. Hydroplaning usually occurs:

Explanation
Hydroplaning occurs on surfaces where water has collected. If there is enough water, vehicles can hydroplane at speeds as low as 30 mph. Hydroplaning becomes more likely if tires are under-inflated or if the tread is worn.

### 11. How much space should be between the upper and lower fifth wheel?

Explanation
Before a trip, be sure to inspect all couplings. There should be no space between the upper and lower fifth wheel.

### 12. A highway curve should be taken:

Explanation
Due to a high center of gravity, tank vehicles are especially prone to tipping over in turns and curves. To counteract this, you should take curves and ramps at speeds that are well below the posted limits.

### 13. The power unit of a placarded vehicle must carry a fire extinguisher with a minimum rating of:

Explanation
The power unit of a placarded vehicle must be equipped with a fire extinguisher with an Underwriters Laboratories (UL) rating of 10 B:C or more.

### 14. A fatigued driver:

Explanation
Fatigued drivers are slower to see or react to hazards than drivers who are not fatigued. Drivers are impaired in their ability to make critical decisions when they are driving drowsy.

To obtain a CDL Tank endorsement in Hawaii, you need to follow these steps:

1. Obtain a Hawaii Commercial Driver's License (CDL): Before getting a Tank endorsement, you need to have a valid CDL in Hawaii. To obtain a CDL, you must meet the eligibility criteria and pass the required written and skills tests for the type of vehicle you intend to operate.

2. Meet the Tank endorsement eligibility requirements: To get a Tank endorsement on your CDL, you must meet the following requirements:

- Be at least 21 years old
- Have a valid Hawaii CDL
- Pass the Tank Vehicle written test
- Pass the Tank Vehicle skills test

3. Study for the Tank Vehicle endorsement: The written test covers topics such as inspection, loading and unloading procedures, and safe driving practices for tank vehicles. You can study for this test by reviewing the Hawaii CDL manual and taking practice tests.

4. Schedule and take the Tank Vehicle written test: You can schedule your written test with your local Hawaii DMV office. You will need to bring proper identification and pay the required fee.

5. Schedule and take the Tank Vehicle skills test: Once you pass your written test, you must schedule and pass your skills test. The skills test will include a pre-trip inspection of your tank vehicle and an on-road driving test.

6. Pay the required fee: You will need to pay a fee for your Tank Vehicle endorsement, which is in addition to your CDL fees.

7. Receive your Hawaii CDL with Tank endorsement: Once you have completed all of these steps, you will receive your Hawaii CDL with a Tank endorsement added to it.

It's important to note that tank vehicles are considered hazardous materials (HAZMAT) carriers, so if you plan on transporting hazardous materials in addition to operating a tank vehicle, you will also need to obtain a HAZMAT endorsement on your CDL.
To obtain a CDL Tank license in Hawaii, you need to meet the following requirements:

1. Age: You must be at least 21 years old to operate a commercial vehicle across state lines or transport hazardous materials.

2. CDL: You must already have a valid Hawaii Commercial Driver's License (CDL) or obtain one before you can apply for the Tank endorsement.

3. Commercial Learner's Permit (CLP): You must hold a CLP for at least 14 days before taking the Tank endorsement skills test.

4. Tank Vehicle Endorsement Written Test: You must pass the Tank Vehicle endorsement written test, which covers topics such as inspection, loading and unloading procedures, and safe driving practices for tank vehicles.

5. Tank Vehicle Endorsement Skills Test: You must pass the Tank Vehicle endorsement skills test, which includes a pre-trip inspection of your tank vehicle and an on-road driving test.

6. Medical Certification: You must provide a valid Medical Examiner's Certificate or complete a self-certification affidavit stating that you are not subject to any disqualifying medical conditions.

7. Background Check: You must pass a background check and provide your fingerprints to obtain a hazardous materials endorsement, which is required for transporting hazardous materials in addition to operating a tank vehicle.

Once you have met all of these requirements, you will receive your Hawaii CDL with the Tank Vehicle endorsement added to it.
Yes, you will need specific training and experience to obtain a CDL Tank endorsement in Hawaii. The Federal Motor Carrier Safety Administration (FMCSA) has established requirements for training and experience for drivers to operate tank vehicles safely.

The following requirements apply to all tank vehicle operators:

1. CDL Training: You must have received training in the operation of a tank vehicle, including knowledge of the unique characteristics of the vehicle, such as the high center of gravity and liquid surge.

2. On-The-Job Training: You must have received on-the-job training from an experienced driver in the operation of a tank vehicle before you can operate one on your own.

3. Skills Test: You must pass a skills test that includes a pre-trip inspection of your tank vehicle and an on-road driving test.

4. Tank Vehicle Endorsement: You must pass the Tank Vehicle endorsement written test and skills test to obtain a Tank Vehicle endorsement on your CDL.

In addition to these requirements, it is recommended that drivers attend a specialized training course in the operation of a tank vehicle. These courses can provide additional knowledge and skills needed to operate these vehicles safely.

It's important to note that if you plan to transport hazardous materials in addition to operating a tank vehicle, you will also need specialized hazardous materials (HAZMAT) training and certification.
Yes, there is an additional written test that you must pass to obtain a CDL Tank endorsement in Hawaii. The Tank Vehicle endorsement written test covers topics such as:

1. Inspection of tank vehicles: You must know how to inspect your tank vehicle for leaks, damage, and other safety hazards.

3. Safe driving practices for tank vehicles: You must know how to operate your tank vehicle safely on the road, including how to handle the unique characteristics of a tank vehicle, such as its high center of gravity and liquid surge.

4. Hazardous materials regulations: If you plan to transport hazardous materials in addition to operating a tank vehicle, you must know the regulations for transporting hazardous materials safely.

The Tank Vehicle endorsement written test is in addition to the general knowledge written test that is required for all CDL applicants. You must pass both the general knowledge test and the Tank Vehicle endorsement written test to obtain a CDL with a Tank Vehicle endorsement in Hawaii.
The CDL Tank endorsement written test covers topics related to the safe operation of tank vehicles, including:

1. Vehicle Inspection: You will be tested on your knowledge of how to inspect a tank vehicle for safety hazards, such as leaks, damage, and other issues that could affect the safe operation of the vehicle.

3. Safe Driving Practices: You will be tested on your knowledge of safe driving practices for tank vehicles, including how to handle the unique characteristics of a tank vehicle such as its high center of gravity and liquid surge.

4. Hazardous Materials Regulations: If you plan to transport hazardous materials in addition to operating a tank vehicle, you will be tested on your knowledge of the regulations for transporting hazardous materials safely.

The Tank endorsement written test is in addition to the general knowledge written test that is required for all CDL applicants. To obtain a CDL with a Tank endorsement in Hawaii, you must pass both the general knowledge test and the Tank endorsement written test.
Yes, during the CDL Tank endorsement test, you will be required to demonstrate specific skills and maneuvers related to the safe operation of a tank vehicle. These include:

1. Vehicle Inspection: You will be required to identify and explain the steps required to inspect a tank vehicle for safety hazards, including proper loading and securing of cargo.

2. Coupling and Uncoupling: You will be required to demonstrate your ability to properly couple and uncouple a tank vehicle from a tractor unit, including the use of safety equipment.

3. Handling and Turning: You will be required to demonstrate your ability to handle and turn a tank vehicle safely, including negotiating curves, making lane changes, and backing up.

4. Emergency Procedures: You will be required to demonstrate your ability to respond appropriately in emergency situations, such as brake failure or a rollover.

It is important to note that the specific skills and maneuvers required during the CDL Tank endorsement test may vary depending on the testing location. It is recommended that you contact your local testing facility for more information on what will be required during the test.
Yes, drivers with a CDL Tank endorsement are subject to certain restrictions and limitations. These restrictions are in place to help ensure the safe operation of tank vehicles and the transportation of hazardous materials. Some of the common restrictions and limitations for drivers with a CDL Tank endorsement include:

1. Endorsement Required: Drivers with a CDL Tank endorsement are only allowed to operate tank vehicles that require a Tank endorsement.

2. Weight Limitations: Drivers with a CDL Tank endorsement may be subject to weight limitations, depending on the capacity of the tank vehicle they are operating.

3. Hazardous Materials: If you plan to transport hazardous materials, you may be subject to additional restrictions and regulations related to the transportation of these materials.

4. Endorsement Renewal: Drivers with a CDL Tank endorsement must renew their endorsement every five years by passing a written test.

5. Training Requirements: Drivers with a CDL Tank endorsement may be required to complete additional training related to the safe operation of tank vehicles and the transportation of hazardous materials.

It is important to note that these restrictions and limitations may vary depending on the specific state regulations. It is recommended that you check with your state's Department of Motor Vehicles or Department of Transportation for more information on the restrictions and limitations for drivers with a CDL Tank endorsement in your area.
No, you cannot transport liquid or gas materials without a CDL Tank endorsement if the container used to transport the material meets the definition of a tank. In general, a tank is considered any container that is designed or used to transport liquids or gases in bulk quantities, either permanently or temporarily attached to the vehicle or chassis.

According to the Federal Motor Carrier Safety Administration (FMCSA), any driver who operates a commercial motor vehicle (CMV) that is used to transport a tank containing a liquid or gas in bulk quantities must have a CDL with a Tank endorsement. The endorsement is required regardless of the type of material being transported.

It is important to note that there are certain exceptions to this requirement, such as if the tank is used for personal use (e.g. for heating a home) or if the vehicle is exempt from CDL requirements under federal or state law.

However, if you are planning to transport liquid or gas materials in bulk quantities for commercial purposes, you will need to obtain a CDL with a Tank endorsement before doing so.
You can add the CDL Tank endorsement to your existing CDL license by passing the required written knowledge test and paying any applicable fees. You do not need to apply for a new license.

To add the Tank endorsement, you will need to visit your local DMV office and provide the necessary documentation to prove your identity and residency. You will then need to take and pass a written knowledge test that covers topics such as tank vehicle safety, hazardous materials regulations, and emergency procedures.

Once you have passed the test and paid any required fees, the DMV will add the Tank endorsement to your CDL license. It is important to note that you may also be required to complete additional training or testing related to the safe operation of tank vehicles and the transportation of hazardous materials, depending on your state's regulations.

Yes, there are specific requirements and regulations for handling hazardous materials with a CDL Tank endorsement. When transporting hazardous materials in bulk quantities, drivers with a Tank endorsement must comply with federal and state regulations related to the transportation of hazardous materials.

Some of the key requirements and regulations include:

1. Hazmat Endorsement: In addition to the CDL Tank endorsement, drivers must also obtain a Hazmat Endorsement on their CDL license. This requires passing a written knowledge test and undergoing a background check.

2. Training: Drivers must undergo training on the safe handling and transportation of hazardous materials, including proper loading and unloading procedures, emergency response, and spill containment.

3. Documentation: Drivers must carry all required documentation related to the hazardous materials being transported, including shipping papers, emergency response information, and placards or labels.

4. Vehicle Requirements: Tank vehicles used to transport hazardous materials must meet specific safety requirements, including proper venting, grounding, and equipment for spill containment.

5. Route Restrictions: Certain routes may be restricted for the transportation of hazardous materials, depending on factors such as population density and proximity to sensitive areas.

It is important for drivers with a CDL Tank endorsement who are transporting hazardous materials to be aware of all applicable regulations and requirements to ensure safe and compliant transportation.