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 three possible answer choices. Test questions come from the Vermont Commercial Driver’s Manual. Questions come from chapters covering: Driving Safely, 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 checking power steering hoses during a pre-trip inspection, you should look for:
Explanation
When doing a pre-trip inspection on a vehicle with power steering, be sure to check the hoses, pumps, and fluid level. In particular, you should check the hoses for leaks.
9. If you identify a distracted driver on the road, you should:
Explanation
If you encounter a driver who seems distracted on the road, you should give them plenty of room and maintain a safe following distance.
10. The rods in S-cam brakes move the slack adjusters when air pressure is added to the brake chambers. This air pressure is added to the chambers when the driver:
Explanation
When pressing the brake pedal in a vehicle with S-cam brakes, air will enter the brake chambers. The added air pressure will push out the rods and move slack adjusters, twisting the brake camshafts.
11. When you must travel down a hill, when should you switch into a lower gear?
Explanation
You should always slow down and shift into a lower gear before starting down a hill. If you do not begin to drive down a hill at a low enough speed, you risk overusing your brakes, causing them to overheat and fade.
12. What tells you how much pressure is in your vehicle's air tanks?
Explanation
A vehicle that is equipped with air brakes must also be equipped with a supply pressure gauge. This gauge tells the driver how much air pressure is in each of the vehicle's air tanks.
13. Texting while driving is especially dangerous because:
Explanation
Texting while driving is particularly dangerous because it is both a mental and physical distraction to the driver. In addition to diverting a driver's mental attention away from the road, texting requires a person to remove at least one hand from the vehicle's controls.
14. You should test the low pressure warning signal by:
Explanation
It is essential that your low pressure warning light functions properly. After allowing the system to charge, you can test the warning signal by rapidly applying and releasing the brake pedal. This will release air from the braking system and the warning signal should come on when pressure drops to a dangerous level.
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Frequently Asked Questions
To obtain a CDL Doubles/Triples endorsement in Vermont, you must follow these steps:
1. Meet the eligibility requirements:
- Be at least 18 years old (21 years old for interstate driving)
- Hold a valid Vermont CDL
- Pass a medical examination and obtain a valid medical card
- Have a clean driving record
- Pass a knowledge test and a skills test for the Doubles/Triples endorsement
2. Study for the Doubles/Triples endorsement knowledge test:
- Obtain the Vermont CDL manual from the DMV or online
- Review the section on Doubles/Triples thoroughly
- Take practice tests to assess your knowledge
3. Schedule and take the Doubles/Triples endorsement knowledge test:
- Contact your local DMV office to schedule an appointment
- Bring proper identification, your Vermont CDL, and payment for the test fee
- Pass the knowledge test with a score of at least 80%
4. Practice driving with doubles/triples:
- Obtain a truck with doubles/triples from your employer or a rental company
- Practice driving with doubles/triples in a safe and controlled environment
- Develop your skills in handling the vehicle, turning, backing up, and parking
5. Schedule and take the Doubles/Triples endorsement skills test:
- Contact your local DMV office to schedule an appointment
- Bring proper identification, your Vermont CDL, and payment for the testing fee
- Pass the skills test with satisfactory performance
6. Pay the endorsement fee:
- Once you have passed both tests, you will be required to pay an additional fee for the Doubles/Triples endorsement to be added to your CDL.
After completing these steps, you will have successfully obtained your CDL Doubles/Triples endorsement in Vermont.
1. Meet the eligibility requirements:
- Be at least 18 years old (21 years old for interstate driving)
- Hold a valid Vermont CDL
- Pass a medical examination and obtain a valid medical card
- Have a clean driving record
- Pass a knowledge test and a skills test for the Doubles/Triples endorsement
2. Study for the Doubles/Triples endorsement knowledge test:
- Obtain the Vermont CDL manual from the DMV or online
- Review the section on Doubles/Triples thoroughly
- Take practice tests to assess your knowledge
3. Schedule and take the Doubles/Triples endorsement knowledge test:
- Contact your local DMV office to schedule an appointment
- Bring proper identification, your Vermont CDL, and payment for the test fee
- Pass the knowledge test with a score of at least 80%
4. Practice driving with doubles/triples:
- Obtain a truck with doubles/triples from your employer or a rental company
- Practice driving with doubles/triples in a safe and controlled environment
- Develop your skills in handling the vehicle, turning, backing up, and parking
5. Schedule and take the Doubles/Triples endorsement skills test:
- Contact your local DMV office to schedule an appointment
- Bring proper identification, your Vermont CDL, and payment for the testing fee
- Pass the skills test with satisfactory performance
6. Pay the endorsement fee:
- Once you have passed both tests, you will be required to pay an additional fee for the Doubles/Triples endorsement to be added to your CDL.
After completing these steps, you will have successfully obtained your CDL Doubles/Triples endorsement in Vermont.
To get a CDL Doubles/Triples license in Vermont, you must meet the following requirements:
1. Be at least 18 years old: You must be at least 18 years old to obtain a CDL Doubles/Triples license within Vermont. However, you must be 21 years old if you intend to operate a commercial vehicle across state lines or transport hazardous materials.
2. Have a valid Vermont CDL: You must hold a valid Vermont commercial driver's license (CDL) before applying for a Doubles/Triples endorsement.
3. Pass a medical examination: You must pass a medical examination and obtain a valid medical card to prove that you are physically fit to operate a commercial vehicle.
4. Have a clean driving record: You must have a clean driving record for the past few years before applying for the endorsement.
5. Pass the Doubles/Triples endorsement knowledge test: You must pass the knowledge test specific to the Doubles/Triples endorsement, which covers topics such as coupling and uncoupling, inspecting doubles/triples, and safe driving practices.
6. Pass the Doubles/Triples endorsement skills test: After passing the knowledge test, you must also pass the skills test, which will assess your ability to safely operate and maneuver doubles/triples.
7. Pay the endorsement fee: Once you have passed both tests, you will be required to pay an additional fee for the Doubles/Triples endorsement to be added to your CDL.
Meeting these requirements will qualify you for obtaining a CDL Doubles/Triples license in Vermont.
1. Be at least 18 years old: You must be at least 18 years old to obtain a CDL Doubles/Triples license within Vermont. However, you must be 21 years old if you intend to operate a commercial vehicle across state lines or transport hazardous materials.
2. Have a valid Vermont CDL: You must hold a valid Vermont commercial driver's license (CDL) before applying for a Doubles/Triples endorsement.
3. Pass a medical examination: You must pass a medical examination and obtain a valid medical card to prove that you are physically fit to operate a commercial vehicle.
4. Have a clean driving record: You must have a clean driving record for the past few years before applying for the endorsement.
5. Pass the Doubles/Triples endorsement knowledge test: You must pass the knowledge test specific to the Doubles/Triples endorsement, which covers topics such as coupling and uncoupling, inspecting doubles/triples, and safe driving practices.
6. Pass the Doubles/Triples endorsement skills test: After passing the knowledge test, you must also pass the skills test, which will assess your ability to safely operate and maneuver doubles/triples.
7. Pay the endorsement fee: Once you have passed both tests, you will be required to pay an additional fee for the Doubles/Triples endorsement to be added to your CDL.
Meeting these requirements will qualify you for obtaining a CDL Doubles/Triples license in Vermont.
Yes, it is recommended that you have some experience and training before obtaining a CDL Doubles/Triples endorsement in Vermont. To operate a commercial vehicle with doubles/triples, you must have the necessary skills and knowledge required to handle the vehicle safely, especially when turning, backing up, and parking.
Vermont DMV requires that you have a valid CDL before applying for a Doubles/Triples endorsement. Before obtaining a CDL, you can attend a CDL training school or program to learn the necessary skills and knowledge required to operate a commercial vehicle safely.
Additionally, you can also get on-the-job training from an experienced commercial driver or from your employer to gain experience in operating doubles/triples.
It is recommended that you practice driving with doubles/triples in a safe and controlled environment before taking the Doubles/Triples endorsement skills test. This will help you develop your skills in handling the vehicle and ensure that you can operate it safely on the road.
In summary, while Vermont DMV does not require specific experience or training for obtaining a CDL Doubles/Triples endorsement, it is recommended that you have some experience and training to ensure your safety and that of other road users.
Vermont DMV requires that you have a valid CDL before applying for a Doubles/Triples endorsement. Before obtaining a CDL, you can attend a CDL training school or program to learn the necessary skills and knowledge required to operate a commercial vehicle safely.
Additionally, you can also get on-the-job training from an experienced commercial driver or from your employer to gain experience in operating doubles/triples.
It is recommended that you practice driving with doubles/triples in a safe and controlled environment before taking the Doubles/Triples endorsement skills test. This will help you develop your skills in handling the vehicle and ensure that you can operate it safely on the road.
In summary, while Vermont DMV does not require specific experience or training for obtaining a CDL Doubles/Triples endorsement, it is recommended that you have some experience and training to ensure your safety and that of other road users.
Yes, to obtain a CDL Doubles/Triples endorsement in Vermont, you must pass an additional written test specifically for the Doubles/Triples endorsement. This test will cover topics related to the safe operation of commercial vehicles with multiple trailers.
The Doubles/Triples endorsement written test will cover topics such as:
- Inspecting doubles/triples
- Coupling and uncoupling
- Driving techniques and safe driving practices
- Emergency maneuvers and situations
The written test is designed to assess your knowledge of the specific skills and requirements needed to safely operate a commercial vehicle with doubles/triples.
In addition to the written test, you will also be required to pass a skills test that will evaluate your ability to operate the commercial vehicle safely. During the skills test, you will be required to demonstrate your ability to perform tasks such as coupling and uncoupling, turning, backing up, and parking with doubles/triples.
It is important to prepare adequately for both the written and skills tests by studying the Vermont CDL manual, attending a CDL training program or school, and practicing driving with doubles/triples in a safe environment.
The Doubles/Triples endorsement written test will cover topics such as:
- Inspecting doubles/triples
- Coupling and uncoupling
- Driving techniques and safe driving practices
- Emergency maneuvers and situations
The written test is designed to assess your knowledge of the specific skills and requirements needed to safely operate a commercial vehicle with doubles/triples.
In addition to the written test, you will also be required to pass a skills test that will evaluate your ability to operate the commercial vehicle safely. During the skills test, you will be required to demonstrate your ability to perform tasks such as coupling and uncoupling, turning, backing up, and parking with doubles/triples.
It is important to prepare adequately for both the written and skills tests by studying the Vermont CDL manual, attending a CDL training program or school, and practicing driving with doubles/triples in a safe environment.
To obtain a CDL Doubles/Triples endorsement in Vermont, you will be required to pass a skills test that will evaluate your ability to operate a commercial vehicle safely with doubles/triples. The skills test will include the following maneuvers:
1. Pre-Trip Inspection: You will be required to conduct a pre-trip inspection of the vehicle to ensure that it is safe for operation. You will need to check the coupling system, lights, tires, brakes, and other important components.
2. Coupling and Uncoupling: You will be required to properly couple and uncouple the doubles/triples. This includes connecting and disconnecting air lines, electrical cables, and safety chains.
3. Straight Line Backing: You will be required to back up the vehicle in a straight line for a specific distance without crossing over any boundaries.
4. Offset Backing: You will be required to back up the vehicle in an offset position through a specific lane without crossing over any boundaries.
5. Parallel Parking: You will be required to park the vehicle parallel to a curb or boundary without touching or crossing over it.
6. Alley Docking: You will be required to back up the vehicle into an alley dock without touching or crossing over any boundaries.
7. On-Road Driving: You will be required to demonstrate your ability to drive safely on the road with doubles/triples. This includes proper lane positioning, signaling, accelerating, and braking.
During the skills test, you will be evaluated on your ability to perform each maneuver safely and correctly according to Vermont DMV standards. It is important to practice each maneuver beforehand and ensure that you are familiar with operating doubles/triples in different driving scenarios.
1. Pre-Trip Inspection: You will be required to conduct a pre-trip inspection of the vehicle to ensure that it is safe for operation. You will need to check the coupling system, lights, tires, brakes, and other important components.
2. Coupling and Uncoupling: You will be required to properly couple and uncouple the doubles/triples. This includes connecting and disconnecting air lines, electrical cables, and safety chains.
3. Straight Line Backing: You will be required to back up the vehicle in a straight line for a specific distance without crossing over any boundaries.
4. Offset Backing: You will be required to back up the vehicle in an offset position through a specific lane without crossing over any boundaries.
5. Parallel Parking: You will be required to park the vehicle parallel to a curb or boundary without touching or crossing over it.
6. Alley Docking: You will be required to back up the vehicle into an alley dock without touching or crossing over any boundaries.
7. On-Road Driving: You will be required to demonstrate your ability to drive safely on the road with doubles/triples. This includes proper lane positioning, signaling, accelerating, and braking.
During the skills test, you will be evaluated on your ability to perform each maneuver safely and correctly according to Vermont DMV standards. It is important to practice each maneuver beforehand and ensure that you are familiar with operating doubles/triples in different driving scenarios.
No, you cannot operate double/triple trailers without a CDL Doubles/Triples endorsement. In Vermont, a CDL Doubles/Triples endorsement is required to operate a commercial vehicle with double/triple trailers. This is because doubles/triples require additional skills and knowledge to operate safely compared to single commercial vehicles.
To obtain a Doubles/Triples endorsement, you must pass a written test and a skills test that specifically evaluates your ability to operate a commercial vehicle with double/triple trailers. You will also need to meet other requirements, such as holding a valid CDL and having a clean driving record.
It is important to note that operating double/triple trailers without the proper endorsement is illegal and can result in serious consequences. If you are caught operating a commercial vehicle with doubles/triples without the proper endorsement, you may face fines, penalties, and even suspension or revocation of your CDL.
Therefore, if you plan to operate commercial vehicles with doubles/triples in Vermont, it is important to obtain the necessary endorsements and ensure that you are properly trained and licensed to do so safely and legally.
To obtain a Doubles/Triples endorsement, you must pass a written test and a skills test that specifically evaluates your ability to operate a commercial vehicle with double/triple trailers. You will also need to meet other requirements, such as holding a valid CDL and having a clean driving record.
It is important to note that operating double/triple trailers without the proper endorsement is illegal and can result in serious consequences. If you are caught operating a commercial vehicle with doubles/triples without the proper endorsement, you may face fines, penalties, and even suspension or revocation of your CDL.
Therefore, if you plan to operate commercial vehicles with doubles/triples in Vermont, it is important to obtain the necessary endorsements and ensure that you are properly trained and licensed to do so safely and legally.
In Vermont, you can add the CDL Doubles/Triples endorsement to your existing CDL license. You do not need to apply for a new license if you want to add this endorsement.
To add the Doubles/Triples endorsement, you will need to pass a written test and a skills test that specifically evaluates your ability to operate a commercial vehicle with double/triple trailers. You will also need to meet other requirements, such as holding a valid CDL and having a clean driving record.
To apply for the endorsement, you can visit your local Vermont DMV office and request the necessary forms and information. You will also need to pay the required fees for the written test and skills test.
It is important to note that adding an endorsement to your CDL license may affect your driving privileges and insurance rates. Therefore, it is important to ensure that you are properly trained and licensed before operating commercial vehicles with doubles/triples on public roads.
To add the Doubles/Triples endorsement, you will need to pass a written test and a skills test that specifically evaluates your ability to operate a commercial vehicle with double/triple trailers. You will also need to meet other requirements, such as holding a valid CDL and having a clean driving record.
To apply for the endorsement, you can visit your local Vermont DMV office and request the necessary forms and information. You will also need to pay the required fees for the written test and skills test.
It is important to note that adding an endorsement to your CDL license may affect your driving privileges and insurance rates. Therefore, it is important to ensure that you are properly trained and licensed before operating commercial vehicles with doubles/triples on public roads.
Yes, there are restrictions and limitations for drivers with a CDL Doubles/Triples endorsement. In Vermont, drivers with this endorsement are allowed to operate commercial vehicles with double/triple trailers, but there are specific rules that must be followed.
Here are some restrictions and limitations for drivers with a CDL Doubles/Triples endorsement:
1. Gross vehicle weight rating (GVWR): Drivers with this endorsement are limited to operating vehicles that have a GVWR of 26,001 pounds or more.
2. Number of trailers: Drivers with this endorsement are only allowed to operate commercial vehicles with double/triple trailers.
3. Length of trailers: The total length of the double/triple trailers cannot exceed 28 feet per trailer.
4. Skills test: Drivers must pass a skills test that specifically evaluates their ability to operate a commercial vehicle with double/triple trailers.
5. Renewal: The Doubles/Triples endorsement must be renewed every 4 years along with the CDL license.
It is important to note that violating any of these restrictions or limitations can result in serious consequences, such as fines, penalties, and even suspension or revocation of your CDL. Therefore, it is crucial to follow all rules and regulations when operating commercial vehicles with double/triple trailers in Vermont.
Here are some restrictions and limitations for drivers with a CDL Doubles/Triples endorsement:
1. Gross vehicle weight rating (GVWR): Drivers with this endorsement are limited to operating vehicles that have a GVWR of 26,001 pounds or more.
2. Number of trailers: Drivers with this endorsement are only allowed to operate commercial vehicles with double/triple trailers.
3. Length of trailers: The total length of the double/triple trailers cannot exceed 28 feet per trailer.
4. Skills test: Drivers must pass a skills test that specifically evaluates their ability to operate a commercial vehicle with double/triple trailers.
5. Renewal: The Doubles/Triples endorsement must be renewed every 4 years along with the CDL license.
It is important to note that violating any of these restrictions or limitations can result in serious consequences, such as fines, penalties, and even suspension or revocation of your CDL. Therefore, it is crucial to follow all rules and regulations when operating commercial vehicles with double/triple trailers in Vermont.
In Vermont, there are specific weight and length limits for double/triple trailers that drivers with a CDL Doubles/Triples endorsement must follow. These limits are set by state and federal regulations and are designed to ensure safety on the roads.
Here are the maximum weight and length limits for double/triple trailers with a CDL Doubles/Triples endorsement in Vermont:
1. Weight limit: The maximum gross vehicle weight rating (GVWR) for double/triple trailers is 80,000 pounds.
2. Length limit: The total length of the double/triple trailers cannot exceed 28 feet per trailer.
It is important to note that these weight and length limits may vary depending on the type of commercial vehicle being operated and the specific route being taken. Drivers are responsible for ensuring that they comply with all state and federal regulations when operating double/triple trailers on public roads.
Additionally, it is recommended that drivers with a CDL Doubles/Triples endorsement receive proper training before operating commercial vehicles with double/triple trailers to ensure they have the necessary skills and knowledge to operate these vehicles safely.
Here are the maximum weight and length limits for double/triple trailers with a CDL Doubles/Triples endorsement in Vermont:
1. Weight limit: The maximum gross vehicle weight rating (GVWR) for double/triple trailers is 80,000 pounds.
2. Length limit: The total length of the double/triple trailers cannot exceed 28 feet per trailer.
It is important to note that these weight and length limits may vary depending on the type of commercial vehicle being operated and the specific route being taken. Drivers are responsible for ensuring that they comply with all state and federal regulations when operating double/triple trailers on public roads.
Additionally, it is recommended that drivers with a CDL Doubles/Triples endorsement receive proper training before operating commercial vehicles with double/triple trailers to ensure they have the necessary skills and knowledge to operate these vehicles safely.
Yes, there are specific safety considerations and regulations for driving double/triple trailers with a CDL Doubles/Triples endorsement in Vermont. These regulations are designed to ensure the safety of the driver, other motorists, and pedestrians.
Here are some safety considerations and regulations for driving double/triple trailers with a CDL Doubles/Triples endorsement:
1. Vehicle inspection: Before starting a trip, drivers must conduct a thorough inspection of their commercial vehicle to ensure that it is in good condition and safe to operate.
2. Weight distribution: Double/triple trailers must be loaded in a way that ensures proper weight distribution. This is important for maintaining stability and preventing accidents.
3. Speed limit: Drivers must obey posted speed limits and adjust their speed according to weather and road conditions.
4. Braking distance: Double/triple trailers require more distance to stop than single vehicles due to their increased weight and length. Drivers must maintain safe following distances and allow for extra braking distance.
5. Turns and lane changes: Double/triple trailers require wider turns and lane changes due to their increased length. Drivers must be aware of their surroundings and use caution when changing lanes or making turns.
6. Parking: Double/triple trailers require more space to park than single vehicles. Drivers must be aware of parking restrictions and ensure that they have enough space to safely park their vehicle.
It is important for drivers with a CDL Doubles/Triples endorsement to be familiar with all safety considerations and regulations before operating commercial vehicles with double/triple trailers on public roads. Violating these regulations can result in serious consequences, such as fines, penalties, or even suspension or revocation of your CDL license.
Here are some safety considerations and regulations for driving double/triple trailers with a CDL Doubles/Triples endorsement:
1. Vehicle inspection: Before starting a trip, drivers must conduct a thorough inspection of their commercial vehicle to ensure that it is in good condition and safe to operate.
2. Weight distribution: Double/triple trailers must be loaded in a way that ensures proper weight distribution. This is important for maintaining stability and preventing accidents.
3. Speed limit: Drivers must obey posted speed limits and adjust their speed according to weather and road conditions.
4. Braking distance: Double/triple trailers require more distance to stop than single vehicles due to their increased weight and length. Drivers must maintain safe following distances and allow for extra braking distance.
5. Turns and lane changes: Double/triple trailers require wider turns and lane changes due to their increased length. Drivers must be aware of their surroundings and use caution when changing lanes or making turns.
6. Parking: Double/triple trailers require more space to park than single vehicles. Drivers must be aware of parking restrictions and ensure that they have enough space to safely park their vehicle.
It is important for drivers with a CDL Doubles/Triples endorsement to be familiar with all safety considerations and regulations before operating commercial vehicles with double/triple trailers on public roads. Violating these regulations can result in serious consequences, such as fines, penalties, or even suspension or revocation of your CDL license.
