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.
1. If you are driving in fog, you should not:
If you must drive in fog, be sure to slow down. Turn on your flashers and low beam headlights.
2. An example of required emergency equipment is:
All commercial motor vehicles are required to be equipped with the proper emergency equipment. This may include spare electrical fuses; three red reflective triangles, six fuses, or three liquid burning flares; and at least one properly charged and rated fire extinguisher.
3. A driver operating a tank equipped with baffles should be particularly wary of:
While baffles in a tank inhibit forward and backward surge, they do not prevent side-to-side surge. Surge to the sides can cause rollovers.
4. When a vehicle is started, the coolant temperature should:
After an engine is started, the coolant temperature should rise gradually to a normal operating range.
5. One way to prevent a surge is to:
To reduce the risk of surge in a liquid tank, you should make sure to brake well in advance of stops. Increase your following distance to reduce the need for sudden stops.
6. Steering wheel play of more than ____ can make steering difficult.
A steering wheel should have no more than 10 degrees of play. This is equal to about two inches of movement at the rim of a 20-inch wheel. If there is more play than this, it may be difficult to steer.
7. Skids caused by over-acceleration can usually be resolved by:
A skid caused by over-acceleration can be resolved simply by removing your foot from the accelerator. Skids of this nature happen most frequently on surfaces covered in snow or ice.
Frequently Asked Questions
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. 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. 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. 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 - 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. 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. 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.
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.
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.
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.