Double
This endorsement is required if the driver will pull two or three trailers. To receive this endorsement, applicants must pass a test. The test consists of 20 multiple choice questions. To pass, the applicant must answer at least 16 questions correctly. Each question has two, three or four possible answer choices. Test questions come from the Minnesota Commercial Driver’s Manual. Questions come from chapters covering: Driving Safely, Cargo, Air Brakes (if applicable), Combination Vehicles and Doubles and Triples. The Double/Triple endorsement can be used with the Class A CDL.
Number of Question
Passing Score
8. When stopping, you should:
Explanation
When stopping, press down the brake pedal smoothly and gradually.
9. Which of the following types of vehicles is most prone to the “crack-the-whip" effect?
Explanation
Double and triple combinations are the most vulnerable to turning over as a result of the "crack-the-whip" effect.
10. In icy conditions, a retarder should be:
Explanation
A retarder may cause a skid when traction is poor, such as when a road is icy, and should therefore be turned off in such conditions.
11. When starting a trip while transporting a load, the driver should:
Explanation
The securement of cargo must be checked before beginning a trip, within the first 50 miles of a trip, and then again every three hours or 150 miles thereafter.
12. Tires of mismatched sizes:
Explanation
Having tires of mismatched sizes on a vehicle is a problem that should be fixed if discovered during a vehicle inspection.
13. When coming to a stop, you should apply the brake pedal by:
Explanation
When stopping, you should push the brake pedal down gradually. Braking gradually will help you to maintain proper control of your vehicle.
14. An emergency brake must be controlled by:
Explanation
All trucks, truck tractors, and buses must be equipped with emergency brakes and parking brakes. Because air pressure can eventually leak away, emergency and parking brakes should be held on by mechanical force.
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Frequently Asked Questions
To obtain a CDL Doubles/Triples endorsement in Minnesota, follow these steps:
1. Obtain a Minnesota Commercial Learner's Permit (CLP): Before you can apply for a Doubles/Triples endorsement, you must first obtain a CLP. To do so, you must pass the general knowledge written test and any additional written tests required for the type of vehicle you plan to operate.
2. Study the Minnesota CDL Driver's Manual: The manual contains all of the information you need to pass the Doubles/Triples endorsement exam. You can obtain a copy of the manual online or at any Minnesota Driver and Vehicle Services (DVS) office.
3. Schedule and pass the Doubles/Triples endorsement exam: The exam consists of 20 multiple-choice questions, and you must score at least 80% to pass. You will need to pay a fee to take the exam, and you may need to schedule an appointment in advance.
4. Pay the required fee: Once you have passed the exam, you will need to pay a fee for the Doubles/Triples endorsement. You can do this at any Minnesota DVS office.
5. Receive your CDL with Doubles/Triples endorsement: After completing these steps, you will receive your CDL with the Doubles/Triples endorsement added. You are now legally authorized to operate double or triple trailer combination vehicles in Minnesota.
1. Obtain a Minnesota Commercial Learner's Permit (CLP): Before you can apply for a Doubles/Triples endorsement, you must first obtain a CLP. To do so, you must pass the general knowledge written test and any additional written tests required for the type of vehicle you plan to operate.
2. Study the Minnesota CDL Driver's Manual: The manual contains all of the information you need to pass the Doubles/Triples endorsement exam. You can obtain a copy of the manual online or at any Minnesota Driver and Vehicle Services (DVS) office.
3. Schedule and pass the Doubles/Triples endorsement exam: The exam consists of 20 multiple-choice questions, and you must score at least 80% to pass. You will need to pay a fee to take the exam, and you may need to schedule an appointment in advance.
4. Pay the required fee: Once you have passed the exam, you will need to pay a fee for the Doubles/Triples endorsement. You can do this at any Minnesota DVS office.
5. Receive your CDL with Doubles/Triples endorsement: After completing these steps, you will receive your CDL with the Doubles/Triples endorsement added. You are now legally authorized to operate double or triple trailer combination vehicles in Minnesota.
To obtain a CDL Doubles/Triples license in Minnesota, you must meet the following requirements:
1. Be at least 18 years old: You must be at least 18 years old to operate a commercial vehicle within the state of Minnesota. However, you must be 21 years old to operate a commercial vehicle across state lines or carry hazardous materials.
2. Hold a valid driver's license: You must hold a valid driver's license issued by the state of Minnesota or another state.
3. Obtain a Commercial Learner's Permit (CLP): Before you can apply for a Doubles/Triples endorsement, you must first obtain a CLP. To do so, you must pass the general knowledge written test and any additional written tests required for the type of vehicle you plan to operate.
4. Pass a medical examination: You must pass a medical examination to demonstrate that you are physically qualified to operate a commercial vehicle.
5. Pass the Doubles/Triples endorsement exam: You must pass a written exam specific to the Doubles/Triples endorsement. The exam consists of 20 multiple-choice questions, and you must score at least 80% to pass.
6. Pay the required fees: You will need to pay a fee to take the general knowledge and Doubles/Triples endorsement exams. Additionally, there is a fee for obtaining your CDL with the Doubles/Triples endorsement.
7. Meet any additional requirements: Depending on your driving record and other factors, you may need to meet additional requirements before obtaining your CDL with the Doubles/Triples endorsement. For example, if you have certain types of criminal convictions on your record, you may be disqualified from obtaining a CDL in Minnesota.
1. Be at least 18 years old: You must be at least 18 years old to operate a commercial vehicle within the state of Minnesota. However, you must be 21 years old to operate a commercial vehicle across state lines or carry hazardous materials.
2. Hold a valid driver's license: You must hold a valid driver's license issued by the state of Minnesota or another state.
3. Obtain a Commercial Learner's Permit (CLP): Before you can apply for a Doubles/Triples endorsement, you must first obtain a CLP. To do so, you must pass the general knowledge written test and any additional written tests required for the type of vehicle you plan to operate.
4. Pass a medical examination: You must pass a medical examination to demonstrate that you are physically qualified to operate a commercial vehicle.
5. Pass the Doubles/Triples endorsement exam: You must pass a written exam specific to the Doubles/Triples endorsement. The exam consists of 20 multiple-choice questions, and you must score at least 80% to pass.
6. Pay the required fees: You will need to pay a fee to take the general knowledge and Doubles/Triples endorsement exams. Additionally, there is a fee for obtaining your CDL with the Doubles/Triples endorsement.
7. Meet any additional requirements: Depending on your driving record and other factors, you may need to meet additional requirements before obtaining your CDL with the Doubles/Triples endorsement. For example, if you have certain types of criminal convictions on your record, you may be disqualified from obtaining a CDL in Minnesota.
Yes, you will need specific training and experience to obtain a CDL Doubles/Triples endorsement in Minnesota. Here are the requirements:
1. Obtain a Commercial Learner's Permit: Before you can obtain a Doubles/Triples endorsement, you must first obtain a Commercial Learner's Permit (CLP). To get a CLP, you must pass the general knowledge and any additional written tests required for the type of vehicle you plan to operate.
2. Complete CDL training: You must complete CDL training from a certified CDL school or program before taking the road test. The training will include both classroom instruction and hands-on experience.
3. Pass the road test: You must pass a road test that includes driving a vehicle with double or triple trailers. The road test will also include a pre-trip inspection to ensure that you know how to properly inspect your vehicle.
4. Obtain driving experience: You must have at least one year of driving experience with a Class A CDL before you can obtain a Doubles/Triples endorsement.
5. Pass the Doubles/Triples endorsement exam: Once you have completed the required training and have driving experience, you must pass the Doubles/Triples endorsement exam to obtain the endorsement.
It is important to note that some employers may require additional training or experience beyond what is required by law. It is always best to check with potential employers before pursuing any endorsements or licenses.
1. Obtain a Commercial Learner's Permit: Before you can obtain a Doubles/Triples endorsement, you must first obtain a Commercial Learner's Permit (CLP). To get a CLP, you must pass the general knowledge and any additional written tests required for the type of vehicle you plan to operate.
2. Complete CDL training: You must complete CDL training from a certified CDL school or program before taking the road test. The training will include both classroom instruction and hands-on experience.
3. Pass the road test: You must pass a road test that includes driving a vehicle with double or triple trailers. The road test will also include a pre-trip inspection to ensure that you know how to properly inspect your vehicle.
4. Obtain driving experience: You must have at least one year of driving experience with a Class A CDL before you can obtain a Doubles/Triples endorsement.
5. Pass the Doubles/Triples endorsement exam: Once you have completed the required training and have driving experience, you must pass the Doubles/Triples endorsement exam to obtain the endorsement.
It is important to note that some employers may require additional training or experience beyond what is required by law. It is always best to check with potential employers before pursuing any endorsements or licenses.
Yes, there is an additional written test for the CDL Doubles/Triples endorsement in Minnesota. The test is specific to the Doubles/Triples endorsement and covers topics such as:
1. Coupling and uncoupling of double/triple trailers
2. Inspecting double/triple trailers
3. Checking air brakes on double/triple trailers
4. Driving double/triple trailers safely
The test consists of 20 multiple-choice questions, and you must score at least 80% to pass. You will need to pass this test in addition to the general knowledge test and any other written tests required for the type of vehicle you plan to operate.
It is important to note that the Minnesota Department of Public Safety may also require additional tests or exams depending on your driving record, medical history, and other factors. It is recommended that you contact the department or a certified CDL school for more information on the specific requirements for obtaining a CDL Doubles/Triples endorsement in Minnesota.
1. Coupling and uncoupling of double/triple trailers
2. Inspecting double/triple trailers
3. Checking air brakes on double/triple trailers
4. Driving double/triple trailers safely
The test consists of 20 multiple-choice questions, and you must score at least 80% to pass. You will need to pass this test in addition to the general knowledge test and any other written tests required for the type of vehicle you plan to operate.
It is important to note that the Minnesota Department of Public Safety may also require additional tests or exams depending on your driving record, medical history, and other factors. It is recommended that you contact the department or a certified CDL school for more information on the specific requirements for obtaining a CDL Doubles/Triples endorsement in Minnesota.
The CDL Doubles/Triples endorsement test in Minnesota consists of a skills test and a road test. During the skills test, you will be required to demonstrate your ability to perform specific maneuvers with a double/triple trailer. Here are the specific skills or maneuvers you will need to demonstrate:
1. Vehicle inspection: You will be required to perform a full inspection of your double/triple trailer, including coupling and uncoupling the trailers.
2. Off-set back/forward: You will be required to back or forward your vehicle through a lane, and then stop at a point before entering the next lane.
3. 90-degree alley dock: You will be required to back your vehicle into an alley without touching any boundary lines.
4. Straight line backing: You will be required to back your vehicle in a straight line for a specific distance.
5. Coupling and uncoupling: You will need to show that you know how to properly couple and uncouple double/triple trailers.
During the road test, you will need to demonstrate that you can safely operate your double/triple trailer on public roads while following all traffic laws and regulations. The road test will also include driving on various types of roads, intersections, and other situations you may encounter while driving with a double/triple trailer.
It is important to note that the Minnesota Department of Public Safety may have additional requirements or specific procedures for the skills and road tests for the Doubles/Triples endorsement. It is recommended that you contact the department or a certified CDL school for more information on the specific requirements for obtaining a CDL Doubles/Triples endorsement in Minnesota.
1. Vehicle inspection: You will be required to perform a full inspection of your double/triple trailer, including coupling and uncoupling the trailers.
2. Off-set back/forward: You will be required to back or forward your vehicle through a lane, and then stop at a point before entering the next lane.
3. 90-degree alley dock: You will be required to back your vehicle into an alley without touching any boundary lines.
4. Straight line backing: You will be required to back your vehicle in a straight line for a specific distance.
5. Coupling and uncoupling: You will need to show that you know how to properly couple and uncouple double/triple trailers.
During the road test, you will need to demonstrate that you can safely operate your double/triple trailer on public roads while following all traffic laws and regulations. The road test will also include driving on various types of roads, intersections, and other situations you may encounter while driving with a double/triple trailer.
It is important to note that the Minnesota Department of Public Safety may have additional requirements or specific procedures for the skills and road tests for the Doubles/Triples endorsement. It is recommended that you contact the department or a certified CDL school for more information on the specific requirements for obtaining a CDL Doubles/Triples endorsement in Minnesota.
No, you cannot legally operate double/triple trailers without a CDL Doubles/Triples endorsement in Minnesota. This endorsement is required by the Federal Motor Carrier Safety Administration (FMCSA) for drivers who operate vehicles with double/triple trailers.
To obtain a CDL Doubles/Triples endorsement, you must pass a written test and a skills test that specifically covers the safe operation of double/triple trailers. You must also hold a valid commercial driver's license (CDL) with the appropriate class based on the weight of the vehicle you plan to operate.
If you are caught operating double/triple trailers without the appropriate endorsement, you may face fines, license suspension or revocation, and other penalties. Additionally, your employer may face fines and other consequences for allowing an unqualified driver to operate a commercial vehicle.
It is important to note that driving a double/triple trailer requires specific skills and knowledge beyond those required for operating a single vehicle. Therefore, it is crucial that drivers obtain the necessary training and endorsements before operating these types of vehicles on public roads.
To obtain a CDL Doubles/Triples endorsement, you must pass a written test and a skills test that specifically covers the safe operation of double/triple trailers. You must also hold a valid commercial driver's license (CDL) with the appropriate class based on the weight of the vehicle you plan to operate.
If you are caught operating double/triple trailers without the appropriate endorsement, you may face fines, license suspension or revocation, and other penalties. Additionally, your employer may face fines and other consequences for allowing an unqualified driver to operate a commercial vehicle.
It is important to note that driving a double/triple trailer requires specific skills and knowledge beyond those required for operating a single vehicle. Therefore, it is crucial that drivers obtain the necessary training and endorsements before operating these types of vehicles on public roads.
In Minnesota, you can add the CDL Doubles/Triples endorsement to your existing CDL license. To add this endorsement, you will need to pass a written test and a skills test that specifically covers the safe operation of double/triple trailers.
To add the endorsement, you will need to visit a Minnesota Department of Public Safety Driver and Vehicle Services office in person and provide the necessary documentation, including your current CDL license and proof of passing the written test. You will also need to pay a fee for the endorsement.
It is important to note that you must already hold a valid commercial driver's license (CDL) with the appropriate class based on the weight of the vehicle you plan to operate before you can add the CDL Doubles/Triples endorsement.
If you have any questions or concerns about adding the CDL Doubles/Triples endorsement to your existing CDL license, it is recommended that you contact the Minnesota Department of Public Safety or a certified CDL school for more information on the specific requirements.
To add the endorsement, you will need to visit a Minnesota Department of Public Safety Driver and Vehicle Services office in person and provide the necessary documentation, including your current CDL license and proof of passing the written test. You will also need to pay a fee for the endorsement.
It is important to note that you must already hold a valid commercial driver's license (CDL) with the appropriate class based on the weight of the vehicle you plan to operate before you can add the CDL Doubles/Triples endorsement.
If you have any questions or concerns about adding the CDL Doubles/Triples endorsement to your existing CDL license, it is recommended that you contact the Minnesota Department of Public Safety or a certified CDL school for more information on the specific requirements.
Yes, there are restrictions and limitations for drivers with a CDL Doubles/Triples endorsement in Minnesota.
Firstly, drivers with a Doubles/Triples endorsement are only authorized to operate commercial motor vehicles with double/triple trailers. They are not authorized to operate any other type of commercial motor vehicle that requires additional endorsements or qualifications.
Secondly, drivers with a Doubles/Triples endorsement are subject to specific weight limits when operating double/triple trailers. In Minnesota, the maximum weight allowed for a commercial motor vehicle with double/triple trailers is 80,000 pounds, and the maximum length of the vehicle is 68 feet.
Thirdly, drivers with a Doubles/Triples endorsement must also comply with all other federal and state laws and regulations related to commercial motor vehicles, such as hours of service requirements and vehicle maintenance standards.
Finally, it is important to note that drivers with a Doubles/Triples endorsement must also maintain their CDL license by renewing it on time and complying with any other requirements set forth by the Minnesota Department of Public Safety. Failure to comply with these requirements may result in the suspension or revocation of their CDL license.
Firstly, drivers with a Doubles/Triples endorsement are only authorized to operate commercial motor vehicles with double/triple trailers. They are not authorized to operate any other type of commercial motor vehicle that requires additional endorsements or qualifications.
Secondly, drivers with a Doubles/Triples endorsement are subject to specific weight limits when operating double/triple trailers. In Minnesota, the maximum weight allowed for a commercial motor vehicle with double/triple trailers is 80,000 pounds, and the maximum length of the vehicle is 68 feet.
Thirdly, drivers with a Doubles/Triples endorsement must also comply with all other federal and state laws and regulations related to commercial motor vehicles, such as hours of service requirements and vehicle maintenance standards.
Finally, it is important to note that drivers with a Doubles/Triples endorsement must also maintain their CDL license by renewing it on time and complying with any other requirements set forth by the Minnesota Department of Public Safety. Failure to comply with these requirements may result in the suspension or revocation of their CDL license.
In Minnesota, the maximum weight allowed for a commercial motor vehicle with double/triple trailers is 80,000 pounds. Additionally, the maximum length of the vehicle is 68 feet.
It's important to note that these weight and length restrictions are subject to change and may also vary by state or region. It's the responsibility of the driver with a CDL Doubles/Triples endorsement to be aware of any weight and length restrictions that apply in the areas where they will be operating their vehicle.
Drivers who violate weight or length restrictions can be subject to fines or penalties, and may also face suspension or revocation of their CDL license. Therefore, it is important for drivers with a Doubles/Triples endorsement to always comply with all weight and length restrictions, as well as all other laws and regulations related to commercial motor vehicles.
It's important to note that these weight and length restrictions are subject to change and may also vary by state or region. It's the responsibility of the driver with a CDL Doubles/Triples endorsement to be aware of any weight and length restrictions that apply in the areas where they will be operating their vehicle.
Drivers who violate weight or length restrictions can be subject to fines or penalties, and may also face suspension or revocation of their CDL license. Therefore, it is important for drivers with a Doubles/Triples endorsement to always comply with all weight and length restrictions, as well as all other laws and regulations related to commercial motor vehicles.
Yes, there are specific safety considerations and regulations for driving double/triple trailers with a CDL Doubles/Triples endorsement.
Firstly, drivers with a Doubles/Triples endorsement must ensure that the combination of their tractor and double/triple trailers is properly balanced and loaded. Overloading or improperly loading trailers can cause the vehicle to become unstable or difficult to control, which can lead to accidents.
Secondly, drivers with a Doubles/Triples endorsement must be aware of the increased stopping distances and turning radiuses that come with operating a vehicle with double/triple trailers. It's important for drivers to give themselves plenty of space to stop and turn, and to take extra care when navigating tight corners or narrow roads.
Thirdly, drivers with a Doubles/Triples endorsement must be aware of the potential for trailer sway or jackknifing when operating a vehicle with double/triple trailers. To avoid these situations, drivers should maintain a safe speed and distance from other vehicles, avoid sudden maneuvers or braking, and adjust their driving behavior based on road conditions.
Finally, drivers with a Doubles/Triples endorsement must comply with all other federal and state laws and regulations related to commercial motor vehicles. This includes adhering to hours of service requirements, properly maintaining the vehicle, and keeping accurate records.
By following these safety considerations and regulations, drivers with a Doubles/Triples endorsement can help ensure that they operate their vehicle safely and responsibly at all times.
Firstly, drivers with a Doubles/Triples endorsement must ensure that the combination of their tractor and double/triple trailers is properly balanced and loaded. Overloading or improperly loading trailers can cause the vehicle to become unstable or difficult to control, which can lead to accidents.
Secondly, drivers with a Doubles/Triples endorsement must be aware of the increased stopping distances and turning radiuses that come with operating a vehicle with double/triple trailers. It's important for drivers to give themselves plenty of space to stop and turn, and to take extra care when navigating tight corners or narrow roads.
Thirdly, drivers with a Doubles/Triples endorsement must be aware of the potential for trailer sway or jackknifing when operating a vehicle with double/triple trailers. To avoid these situations, drivers should maintain a safe speed and distance from other vehicles, avoid sudden maneuvers or braking, and adjust their driving behavior based on road conditions.
Finally, drivers with a Doubles/Triples endorsement must comply with all other federal and state laws and regulations related to commercial motor vehicles. This includes adhering to hours of service requirements, properly maintaining the vehicle, and keeping accurate records.
By following these safety considerations and regulations, drivers with a Doubles/Triples endorsement can help ensure that they operate their vehicle safely and responsibly at all times.
