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 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 Iowa 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. If you must make a quick stop while transporting liquids, it may be a good idea to use the:
Explanation
A tank vehicle transporting liquids is less stable than other vehicles and may be prone to roll over or skid if not operated in a safe manner. If you must make a quick stop to avoid an accident while transporting liquid cargo, it may be a good idea to use the controlled braking method.
9. To use the stab braking method while transporting liquid cargo, you should apply the brakes:
Explanation
The stab braking method for emergency stops involves fully applying the brakes until they lock up. The brakes are then released until the wheels start rolling, and then the process is repeated.
10. If driving in extremely hot weather and the air pressure in your tires is too high, you should:
Explanation
Air expands as it gets warmer, so the air pressure in your tires could reach dangerously high levels while being driven in very hot weather. If this happens, stop and let your tires cool. Do not let air out of the tires, as this could result in the pressure dropping to an unsafe level once they cool down.
11. When driving under wet conditions, a lack of spray coming from the tires of other vehicles indicates that:
Explanation
In wet conditions, a lack of spray coming from the tires of other vehicles indicates that ice has formed on the road. Be especially cautious when traveling under wet conditions in freezing weather.
12. If an Anti-Locking Braking System (ABS) is not working on a truck:
Explanation
An Anti-Lock Braking System (ABS) is in place as an addition to a braking system. It intervenes to prevent brakes from locking up during hard braking. If ABS is not working, the basic braking functions on a vehicle will still remain, so the driver can continue to drive and brake normally.
13. Mirrors should be used:
Explanation
When driving, you should frequently check the mirrors on both sides of your vehicle.
14. What should you do if your vehicle gets stuck on railroad tracks?
Explanation
If your CMV gets stuck on railroad tracks, you should immediately leave the vehicle and get away from the tracks. Check the signposts or signal housing at the crossing for emergency contact information and call 911, or another appropriate emergency number.
Frequently Asked Questions
To obtain a CDL Tank endorsement in Iowa, follow the steps below:
1. Obtain a commercial learner's permit (CLP) by passing the general knowledge and tanker endorsement written exams.
2. Practice driving a commercial motor vehicle (CMV) with a qualified CDL holder.
3. Schedule and pass a CDL skills test in a vehicle that meets the tank vehicle requirements.
4. Pass the Tank Vehicle endorsement written exam.
5. Pay the appropriate fee for the endorsement.
6. Once you have passed all required tests and endorsements, apply for your CDL with Tanker endorsement at the Iowa Department of Transportation.
It is important to note that before you can obtain a Tanker endorsement, you must first have a valid Iowa CDL.
1. Obtain a commercial learner's permit (CLP) by passing the general knowledge and tanker endorsement written exams.
2. Practice driving a commercial motor vehicle (CMV) with a qualified CDL holder.
3. Schedule and pass a CDL skills test in a vehicle that meets the tank vehicle requirements.
4. Pass the Tank Vehicle endorsement written exam.
5. Pay the appropriate fee for the endorsement.
6. Once you have passed all required tests and endorsements, apply for your CDL with Tanker endorsement at the Iowa Department of Transportation.
It is important to note that before you can obtain a Tanker endorsement, you must first have a valid Iowa CDL.
To obtain a CDL Tank license in Iowa, you must meet the following requirements:
1. Be at least 18 years of age to drive intrastate (within Iowa) or 21 years of age to drive interstate (across state lines).
2. Possess a valid Iowa driver's license.
3. Provide proof of identity and legal presence in the United States.
4. Pass a medical examination and obtain a medical certificate.
5. Obtain a commercial learner's permit (CLP) by passing the general knowledge and tanker endorsement written exams.
6. Practice driving a commercial motor vehicle (CMV) with a qualified CDL holder.
7. Schedule and pass a CDL skills test in a vehicle that meets the tank vehicle requirements.
8. Pass the Tank Vehicle endorsement written exam.
9. Pay the appropriate fee for the endorsement.
10. Once you have passed all required tests and endorsements, apply for your CDL with Tanker endorsement at the Iowa Department of Transportation.
It is important to note that there may be additional requirements depending on your individual situation, such as criminal background checks or driving record checks.
1. Be at least 18 years of age to drive intrastate (within Iowa) or 21 years of age to drive interstate (across state lines).
2. Possess a valid Iowa driver's license.
3. Provide proof of identity and legal presence in the United States.
4. Pass a medical examination and obtain a medical certificate.
5. Obtain a commercial learner's permit (CLP) by passing the general knowledge and tanker endorsement written exams.
6. Practice driving a commercial motor vehicle (CMV) with a qualified CDL holder.
7. Schedule and pass a CDL skills test in a vehicle that meets the tank vehicle requirements.
8. Pass the Tank Vehicle endorsement written exam.
9. Pay the appropriate fee for the endorsement.
10. Once you have passed all required tests and endorsements, apply for your CDL with Tanker endorsement at the Iowa Department of Transportation.
It is important to note that there may be additional requirements depending on your individual situation, such as criminal background checks or driving record checks.
Yes, specific training is required to obtain a CDL Tank endorsement in Iowa. You will need to complete a course that provides you with the knowledge and skills necessary to safely operate a tank vehicle. The course should cover the following topics:
1. Loading and unloading procedures for tank vehicles
2. Safe driving practices for tank vehicles
3. Tank vehicle inspection and maintenance
4. Emergency response procedures for tank vehicles
Additionally, you must have experience operating a commercial motor vehicle (CMV) before taking the CDL skills test. It is recommended that you receive training from a qualified instructor to prepare for the test.
Once you have completed the necessary training and have obtained the required experience, you can then take the Tank Vehicle endorsement written exam and skills test to obtain your CDL Tank endorsement in Iowa.
1. Loading and unloading procedures for tank vehicles
2. Safe driving practices for tank vehicles
3. Tank vehicle inspection and maintenance
4. Emergency response procedures for tank vehicles
Additionally, you must have experience operating a commercial motor vehicle (CMV) before taking the CDL skills test. It is recommended that you receive training from a qualified instructor to prepare for the test.
Once you have completed the necessary training and have obtained the required experience, you can then take the Tank Vehicle endorsement written exam and skills test to obtain your CDL Tank endorsement in Iowa.
Yes, in addition to passing the general knowledge written exam and the skills test required for a CDL, you will need to pass a written exam specific to the Tanker endorsement in Iowa. This exam will cover topics specific to the safe operation of tank vehicles, including:
1. Tank vehicle inspection
2. Tanker truck safety
3. Tanker truck loading and unloading procedures
4. Hazardous materials transportation regulations
5. Emergency response procedures for tank vehicles
The Tanker endorsement written exam consists of 20 multiple-choice questions, and you must score at least 80% to pass. It is important to study and prepare for this exam to ensure that you have a thorough understanding of the requirements for safely operating a tank vehicle.
It is also worth noting that if you plan to transport hazardous materials in addition to operating a tank vehicle, you will need to obtain a Hazardous Materials (HazMat) endorsement by passing an additional written exam specific to hazardous materials transportation.
1. Tank vehicle inspection
2. Tanker truck safety
3. Tanker truck loading and unloading procedures
4. Hazardous materials transportation regulations
5. Emergency response procedures for tank vehicles
The Tanker endorsement written exam consists of 20 multiple-choice questions, and you must score at least 80% to pass. It is important to study and prepare for this exam to ensure that you have a thorough understanding of the requirements for safely operating a tank vehicle.
It is also worth noting that if you plan to transport hazardous materials in addition to operating a tank vehicle, you will need to obtain a Hazardous Materials (HazMat) endorsement by passing an additional written exam specific to hazardous materials transportation.
The CDL Tank endorsement written test in Iowa covers topics related to safe operation of tank vehicles and transportation of liquids or gases. Here are some of the topics covered in the written test:
1. Tank vehicle inspection - This includes checking for leaks, making sure the vehicle is properly secured, and ensuring that all valves and fittings are in good condition.
2. Tanker truck safety - This covers topics such as rollover prevention, load shifting prevention, and methods for controlling the surge of liquids inside the tank.
3. Tanker truck loading and unloading procedures - This includes how to properly fill or empty a tank vehicle, how to handle spills or leaks, and how to prevent contamination.
4. Hazardous materials transportation regulations - If you plan to transport hazardous materials in a tank vehicle, you will need to know the regulations for labeling, placarding, and handling hazardous materials.
5. Emergency response procedures for tank vehicles - This includes knowing what to do in case of an accident or spill involving a tank vehicle, as well as understanding the equipment used for spill response.
Keep in mind that the exact topics covered in the written test may vary depending on your state's requirements. It's important to study thoroughly and understand all relevant regulations and procedures before taking the test.
1. Tank vehicle inspection - This includes checking for leaks, making sure the vehicle is properly secured, and ensuring that all valves and fittings are in good condition.
2. Tanker truck safety - This covers topics such as rollover prevention, load shifting prevention, and methods for controlling the surge of liquids inside the tank.
3. Tanker truck loading and unloading procedures - This includes how to properly fill or empty a tank vehicle, how to handle spills or leaks, and how to prevent contamination.
4. Hazardous materials transportation regulations - If you plan to transport hazardous materials in a tank vehicle, you will need to know the regulations for labeling, placarding, and handling hazardous materials.
5. Emergency response procedures for tank vehicles - This includes knowing what to do in case of an accident or spill involving a tank vehicle, as well as understanding the equipment used for spill response.
Keep in mind that the exact topics covered in the written test may vary depending on your state's requirements. It's important to study thoroughly and understand all relevant regulations and procedures before taking the test.
Yes, in Iowa, you will need to pass a skills test in a tank vehicle to obtain a CDL with a Tank endorsement. The skills test will evaluate your ability to safely operate and maneuver a tank vehicle. Here are some of the specific skills or maneuvers you may be asked to demonstrate during the CDL Tank endorsement test:
1. Vehicle inspection - You will be required to inspect the tank vehicle and demonstrate your knowledge of safety procedures and regulations.
2. Basic Control Skills - You will be tested on your ability to control the tank vehicle in various situations, such as backing up, turning, and parking.
3. On-road Skills - You will be evaluated on your ability to safely operate the tank vehicle on the road, including merging, changing lanes, and driving in traffic.
4. Tanker-specific Skills - You may be asked to demonstrate specific tanker-related skills, such as controlling surge while driving or responding to a spill or leak.
It's important to practice these skills thoroughly before taking the Tank endorsement test. Make sure you are familiar with all relevant regulations and safety procedures, and take the time to practice maneuvers in a safe environment before attempting them during the test.
1. Vehicle inspection - You will be required to inspect the tank vehicle and demonstrate your knowledge of safety procedures and regulations.
2. Basic Control Skills - You will be tested on your ability to control the tank vehicle in various situations, such as backing up, turning, and parking.
3. On-road Skills - You will be evaluated on your ability to safely operate the tank vehicle on the road, including merging, changing lanes, and driving in traffic.
4. Tanker-specific Skills - You may be asked to demonstrate specific tanker-related skills, such as controlling surge while driving or responding to a spill or leak.
It's important to practice these skills thoroughly before taking the Tank endorsement test. Make sure you are familiar with all relevant regulations and safety procedures, and take the time to practice maneuvers in a safe environment before attempting them during the test.
Yes, there are some restrictions and limitations for drivers with a CDL Tank endorsement in Iowa. Here are some of the important restrictions to keep in mind:
1. Endorsement Required - You must have a Tank endorsement on your CDL in order to operate a tank vehicle.
2. Endorsement Expiration - The Tank endorsement must be renewed every five years.
3. Vehicle Type - The endorsement is specific to the type of tank vehicle you are qualified to operate. If you take the test in a truck with a tank, your endorsement will be restricted to that type of tank vehicle.
4. Materials Transported - If you plan to transport hazardous materials in a tank vehicle, you will also need to have a Hazardous Materials (HazMat) endorsement on your CDL.
5. Endorsement Restrictions - Some Tank endorsements may be restricted to certain types of tanks or materials, or may require additional certifications or training.
6. Additional Regulations - There are also additional regulations that apply specifically to the transportation of liquids and gases, such as placarding requirements and restrictions on the amount of material that can be transported in a single load.
It's important to be aware of these restrictions and regulations if you plan to operate a tank vehicle with a CDL Tank endorsement. Make sure you understand all relevant regulations and procedures before hitting the road.
1. Endorsement Required - You must have a Tank endorsement on your CDL in order to operate a tank vehicle.
2. Endorsement Expiration - The Tank endorsement must be renewed every five years.
3. Vehicle Type - The endorsement is specific to the type of tank vehicle you are qualified to operate. If you take the test in a truck with a tank, your endorsement will be restricted to that type of tank vehicle.
4. Materials Transported - If you plan to transport hazardous materials in a tank vehicle, you will also need to have a Hazardous Materials (HazMat) endorsement on your CDL.
5. Endorsement Restrictions - Some Tank endorsements may be restricted to certain types of tanks or materials, or may require additional certifications or training.
6. Additional Regulations - There are also additional regulations that apply specifically to the transportation of liquids and gases, such as placarding requirements and restrictions on the amount of material that can be transported in a single load.
It's important to be aware of these restrictions and regulations if you plan to operate a tank vehicle with a CDL Tank endorsement. Make sure you understand all relevant regulations and procedures before hitting the road.
No, in Iowa, you cannot transport liquid or gas materials in a tank vehicle without a CDL Tank endorsement. You must have a Tank endorsement on your CDL in order to operate a tank vehicle, regardless of the type of material you are transporting.
It's important to note that if you are transporting hazardous materials in a tank vehicle, you will also need to have a Hazardous Materials (HazMat) endorsement on your CDL. The HazMat endorsement is required for any driver who transports hazardous materials that require placarding under Department of Transportation regulations.
In addition to the endorsements on your CDL, there may be other requirements and regulations that apply to the transportation of liquids and gases. Make sure you are familiar with all relevant regulations and procedures before transporting these materials. This includes requirements for placarding, handling spills and leaks, and complying with weight and load restrictions.
It's important to note that if you are transporting hazardous materials in a tank vehicle, you will also need to have a Hazardous Materials (HazMat) endorsement on your CDL. The HazMat endorsement is required for any driver who transports hazardous materials that require placarding under Department of Transportation regulations.
In addition to the endorsements on your CDL, there may be other requirements and regulations that apply to the transportation of liquids and gases. Make sure you are familiar with all relevant regulations and procedures before transporting these materials. This includes requirements for placarding, handling spills and leaks, and complying with weight and load restrictions.
In Iowa, you can add a CDL Tank endorsement to your existing CDL license without having to apply for a new license. You will need to pass the Tank endorsement knowledge test and the Tank endorsement skills test if applicable.
To apply for the Tank endorsement, you will need to follow these steps:
1. Study the Iowa CDL Driver's Manual and specifically the section on tank vehicles.
2. Visit your local Iowa Department of Transportation (DOT) licensing office and request the Tank endorsement application.
3. Take and pass the Tank endorsement knowledge test.
4. If applicable, take and pass the Tank endorsement skills test.
5. Pay any applicable fees.
Once you have passed both tests and paid any fees, the Iowa DOT will add the Tank endorsement to your existing CDL license. It's important to note that as with all endorsements on your CDL, the Tank endorsement must be renewed every five years.
To apply for the Tank endorsement, you will need to follow these steps:
1. Study the Iowa CDL Driver's Manual and specifically the section on tank vehicles.
2. Visit your local Iowa Department of Transportation (DOT) licensing office and request the Tank endorsement application.
3. Take and pass the Tank endorsement knowledge test.
4. If applicable, take and pass the Tank endorsement skills test.
5. Pay any applicable fees.
Once you have passed both tests and paid any fees, the Iowa DOT will add the Tank endorsement to your existing CDL license. It's important to note that as with all endorsements on your CDL, the Tank endorsement must be renewed every five years.
Yes, there are specific requirements and regulations for handling hazardous materials with a CDL Tank endorsement in Iowa.
Firstly, if you are transporting hazardous materials in a tank vehicle, you will need to have a Hazardous Materials (HazMat) endorsement on your CDL. The HazMat endorsement is required for any driver who transports hazardous materials that require placarding under Department of Transportation regulations.
In addition to the HazMat endorsement, tank vehicle drivers who transport hazardous materials must comply with the Hazardous Materials Regulations (HMR) issued by the Department of Transportation. These regulations cover a wide range of topics including packaging, labeling, marking, placarding, and emergency response procedures.
Some specific requirements for transporting hazardous materials in a tank vehicle include:
- The vehicle must be placarded with the appropriate hazard warning signs.
- Drivers must have shipping papers that describe the hazardous materials being transported.
- Drivers must follow specific procedures for loading and unloading the tank vehicle.
- Tank vehicles must be inspected before each trip to ensure they are in good condition.
- Drivers must complete specific training on handling hazardous materials.
It's important to note that there are severe penalties for violating HMR regulations. If you are unsure about any specific requirements or regulations for transporting hazardous materials with a CDL Tank endorsement, consult the Iowa CDL Driver's Manual or contact the Iowa Department of Transportation.
Firstly, if you are transporting hazardous materials in a tank vehicle, you will need to have a Hazardous Materials (HazMat) endorsement on your CDL. The HazMat endorsement is required for any driver who transports hazardous materials that require placarding under Department of Transportation regulations.
In addition to the HazMat endorsement, tank vehicle drivers who transport hazardous materials must comply with the Hazardous Materials Regulations (HMR) issued by the Department of Transportation. These regulations cover a wide range of topics including packaging, labeling, marking, placarding, and emergency response procedures.
Some specific requirements for transporting hazardous materials in a tank vehicle include:
- The vehicle must be placarded with the appropriate hazard warning signs.
- Drivers must have shipping papers that describe the hazardous materials being transported.
- Drivers must follow specific procedures for loading and unloading the tank vehicle.
- Tank vehicles must be inspected before each trip to ensure they are in good condition.
- Drivers must complete specific training on handling hazardous materials.
It's important to note that there are severe penalties for violating HMR regulations. If you are unsure about any specific requirements or regulations for transporting hazardous materials with a CDL Tank endorsement, consult the Iowa CDL Driver's Manual or contact the Iowa Department of Transportation.
