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 Idaho Commercial Driver’s 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

1. When you are pulling a trailer, the air supply control lever should be in its ____ position.

Explanation
Tractor protection controls in older vehicles may be operated by levers instead of knobs. If an air supply control is set in its "normal" position, it is properly set for you to pull a trailer.

2. Roads are especially slippery right after it begins to rain because:

Explanation
Roads are often especially slippery when it first begins to rain. Rainwater forms a slick film when mixed with oil and grease on the road surface that has not yet washed away.

3. You may leave a vehicle that is carrying explosives unattended:

Explanation
When transporting hazardous materials, you may leave your vehicle unattended in a safe haven. A safe haven is a location that has been approved for parking unattended vehicles that are loaded with explosives.

4. If you remain in neutral for too long while switching gears:

Explanation
If you remain in neutral for too long while switching gears, you may have difficulty putting the vehicle into the next gear. If this happens, do not try to force the gear shift. Instead, return to neutral, release the clutch, increase the engine speed to match the road speed, and try again.

5. To transport hazardous materials, what does a driver need?

Explanation
You must have a CDL with a hazardous materials endorsement to drive a vehicle of any size that is used for transporting hazardous materials.

6. Regrooved tires:

Explanation
Regrooved, recapped, or retreaded tires are prohibited on the front wheels of a bus.

7. When backing up while coupling a trailer, the tractor should be positioned:

Explanation
When backing up to couple a trailer, you should position the tractor directly in front of the trailer. Trying to couple while backing at an angle could cause the trailer to move and the landing gear to break.

Frequently Asked Questions

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

1. Obtain a CDL: You must have a valid Commercial Driver's License (CDL) before you can apply for a Tank endorsement. To obtain a CDL, you must pass a written knowledge test and a skills test.

2. Meet the requirements: To obtain a Tank endorsement, you must be at least 21 years old, have a valid CDL, and pass a written Tank Vehicle endorsement test.

3. Study the Tank Vehicle endorsement section of the Idaho CDL manual: You can download and study the Tank Vehicle endorsement section of the Idaho CDL manual from the Idaho Transportation Department website.

4. Schedule an appointment: Schedule an appointment with your local DMV office to take the Tank Vehicle endorsement test in-person.

5. Take the written test: You will be required to take and pass the Tank Vehicle endorsement written test. The test will cover topics such as load weight distribution, hazardous materials, and emergency procedures.

6. Pay the fee: You will need to pay a fee for the Tank Vehicle endorsement when you take your written test.

7. Add the Tank endorsement to your CDL: Once you pass the written test and pay the fee, your new Tank endorsement will be added to your CDL.

It's important to note that if you are transporting hazardous materials, you will also need to obtain a Hazardous Materials (HazMat) endorsement in addition to your Tank endorsement.

To get a CDL Tank license or endorsement in Idaho, you must meet the following requirements:

1. Age: You must be at least 21 years old to obtain a Tank endorsement, which is required for operating vehicles that transport liquids or gases in bulk.

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

3. Pass the Tank endorsement knowledge test: You must pass the written knowledge test for the Tank Vehicle endorsement. The test will cover topics such as load weight distribution, hazardous materials, and emergency procedures.

4. Background check: You will need to undergo a Transportation Security Administration (TSA) background check to obtain the Hazardous Materials (HazMat) endorsement if you are transporting hazardous materials.

5. Medical certification: You will need to provide proof of your medical certification to show that you are physically fit to operate a commercial vehicle.

6. Pay the fee: You must pay a fee for the Tank Vehicle endorsement when you apply for it at your local DMV office.

It's important to note that if you are transporting hazardous materials, you will also need to obtain a Hazardous Materials (HazMat) endorsement in addition to your Tank endorsement.

There is no specific training or experience required to obtain a CDL Tank endorsement in Idaho. However, it is recommended that you have experience driving a commercial vehicle before you apply for a Tank endorsement.

Additionally, if you are transporting hazardous materials, you will need to complete a HazMat training course that is approved by the Idaho Transportation Department. The course will cover topics such as hazardous materials identification, handling procedures, and emergency response. You will need to provide proof of completion of this training when you apply for your HazMat endorsement.

It's also important to note that some employers may prefer or require drivers to have additional training or experience before operating a vehicle with a Tank endorsement. This may include specialized training in handling liquid or gas cargo, as well as understanding the specific safety requirements for Tank vehicles.

Yes, in Idaho, you are required to pass a written knowledge test specifically for the Tank Vehicle endorsement in addition to the general CDL knowledge test. This endorsement test will cover topics such as load weight distribution, hazardous materials, emergency procedures and tank vehicle safety.

You will also be required to pass a skills test that includes a pre-trip inspection, basic vehicle control and an on-road driving test with the vehicle that has a tank.

If you are transporting hazardous materials, you will also need to pass a separate HazMat endorsement test that covers the specific knowledge required to safely handle hazardous materials.

It's important to note that you must pass all of these tests in order to obtain your CDL with the Tank endorsement and/or HazMat endorsement.

The CDL Tank endorsement written test in Idaho covers several topics related to the safe operation of tank vehicles. Some of the topics that may be covered on the test include:

1. Tank Vehicle Inspection: This covers the inspection of tank vehicles to ensure that they are in good working condition and ready to operate safely. You'll be tested on the various components of a tank vehicle, such as tank hatches, emergency shutoffs, and pressure relief valves.

2. Tank Vehicle Safety: This covers the safe operation of tank vehicles, including best practices for controlling speed, handling curves and hills, and shifting gears. You will also be tested on how to respond to a variety of emergency situations that may occur while operating a tank vehicle.

3. Hazardous Materials: If you're transporting hazardous materials, you'll need to know how to properly handle and transport them. The test will cover topics such as identifying hazardous materials, properly securing cargo, and following hazardous materials transportation regulations.

4. Loading and Unloading: This covers the proper procedures for loading and unloading a tank vehicle. You'll be tested on how to properly secure cargo in the tank and how to avoid spills or other incidents during the loading or unloading process.

5. Special Driving Considerations: This covers special driving considerations for operating a tank vehicle, such as weight distribution, rollover prevention, and how to handle sudden stops or turns.

These are just some of the topics that may be covered on the CDL Tank endorsement written test in Idaho. It's important to study all relevant materials thoroughly before taking your exam.

Yes, in Idaho, you are required to pass a skills test in addition to the written test in order to obtain the CDL Tank endorsement. The skills test will include several specific maneuvers that you must demonstrate proficiency in.

Some of the skills and maneuvers you may be tested on include:

1. Vehicle Inspection: You'll be required to inspect your tank vehicle and demonstrate knowledge of the components and safety features of the vehicle.

2. Coupling and Uncoupling: You'll be required to properly couple and uncouple your tank vehicle from a tractor.

3. Straight Line Backing: You'll be required to back your tank vehicle in a straight line into a designated space.

4. Offset Backing: You'll be required to back your tank vehicle into a space offset from your starting position.

5. Alley Docking: You'll be required to back your tank vehicle into an alley dock with limited space.

6. Driving Skills: You'll need to demonstrate your ability to safely operate a tank vehicle on public roads, including making turns, changing lanes, stopping and starting smoothly, and controlling speed.

During the skills test, you will also be evaluated on your ability to follow safety procedures and communicate effectively with others on the road.

It's important to practice these skills beforehand and make sure you are comfortable with each maneuver before taking the CDL Tank endorsement test.

Yes, drivers with a CDL Tank endorsement are subject to certain restrictions and limitations. Some of the common restrictions and limitations include:

1. Tank Vehicle Only: If you pass the CDL Tank endorsement skills test in a tank vehicle, you will be restricted to driving only tank vehicles.

2. Hazardous Materials: If you're transporting hazardous materials, you will be subject to additional regulations and restrictions. You may need to obtain a Hazardous Materials (H) endorsement in addition to your Tank endorsement.

3. Endorsement Expiration: CDL endorsements, including the Tank endorsement, are valid for five years in Idaho. You will need to renew your endorsement before it expires by passing the appropriate written and skills tests.

4. Vehicle Weight: The weight of your tank vehicle and cargo may be limited based on the class of your CDL license and other factors.

5. Route Restrictions: Some routes may be restricted for tank vehicles due to weight limits or other safety concerns.

It's important to understand any restrictions or limitations that apply to your CDL Tank endorsement and ensure that you are in compliance with all applicable regulations when operating a tank vehicle.

No, if you are transporting liquid or gas materials in a tank vehicle, you are required to have a CDL Tank endorsement. The Tank endorsement is a requirement for drivers who operate vehicles designed to transport liquids or gases in bulk containers with a capacity of 1,000 gallons or more, or multiple smaller containers that have an aggregate capacity of 1,000 gallons or more.

In addition to the Tank endorsement, you may also need to obtain a Hazardous Materials (H) endorsement if you're transporting hazardous materials in your tank vehicle.

It's important to note that driving a tank vehicle without the required endorsements can result in significant penalties and fines. It could also lead to serious safety risks for yourself and others on the road. Always make sure you have the proper endorsements before operating any commercial vehicle.

You can add the CDL Tank endorsement to your existing CDL license by passing the Tank endorsement knowledge test and the Tank endorsement skills test. You do not need to apply for a new license.

To add the Tank endorsement to your CDL license, you will need to:

1. Study the Tank endorsement section of the Idaho CDL Manual and take and pass the Tank endorsement knowledge test.

2. Schedule and pass a Tank endorsement skills test with a certified examiner.

3. Pay the required fee to add the endorsement to your CDL license.

Once you have passed both tests and paid the fee, the Idaho Department of Transportation (IDOT) will add the Tank endorsement to your CDL license. Your license will then show that you are authorized to operate tank vehicles.

It's important to note that if you are adding a Tank endorsement or any other endorsement to your CDL, you may also need to obtain a Hazardous Materials (H) endorsement if you're transporting hazardous materials in your tank vehicle.

Yes, there are specific requirements and regulations for handling hazardous materials with a CDL Tank endorsement. In addition to the Tank endorsement, you will also need to obtain a Hazardous Materials (H) endorsement to transport hazardous materials in your tank vehicle.

Here are some of the requirements and regulations you should be aware of:

1. Hazmat training: You must complete a hazmat training program before you can transport hazardous materials. The training program must be approved by the Federal Motor Carrier Safety Administration (FMCSA) and must cover topics such as labeling, placarding, and emergency response.

2. Vehicle placarding: You must properly label and placard your tank vehicle to indicate that it contains hazardous materials. The placards must meet specific size and color requirements.

3. Shipping papers: You must carry shipping papers that describe the hazardous materials you are transporting. The papers must include information such as the proper shipping name, hazard class, and emergency response information.

4. Route planning: You must plan your route carefully to avoid heavily populated areas and other potential hazards. You may need to obtain special permits or follow specific routes in some cases.

5. Emergency response: You must be prepared to respond to emergencies involving hazardous materials. This includes knowing how to use emergency equipment such as fire extinguishers and spill kits.

6. Reporting incidents: If there is an incident involving hazardous materials, you must report it immediately to the proper authorities.

It's important to follow these regulations closely to ensure the safe transport of hazardous materials and avoid penalties or fines.
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