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 or four possible answer choices. Test questions come from the Nevada Commercial Driver License 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. While uncoupling, the landing gear should be:
Explanation
Landing gear, or trailer supports, should always be completely raised before a vehicle is driven. When uncoupling, landing gear should be lowered to make firm contact with the ground. If a trailer is loaded when it is being uncoupled, you should lower the landing gear and turn the crank a few additional times to remove some weight from the trailer.
9. When approaching a vehicle for a pre-trip inspection, a driver should look under the vehicle:
Explanation
When approaching your vehicle before an inspection, make note of its general condition and ensure that it is not damaged or leaning. Look under the vehicle for fresh leaks of oil, grease, or fuel. Check around the vehicle for hazards to movement, such as people, other vehicles, or low-hanging wires or tree limbs.
10. Which of the following could reduce the amount of space between the road surface and an overhead object, such as a bridge?
Explanation
You should not assume that signs marking the height of a bridge or overpass are exactly correct. If the road was repaved after the sign went up, or if snow is on the ground, the clearance may be different than what the sign indicates.
11. Having ABS on only one axle:
Explanation
If you have an Anti-Lock Braking System (ABS) equipped on only the tractor, only the trailer, or only one axle, you will still have more control over the vehicle when braking than you would without ABS. You should brake normally.
12. Which of the following is not part of a vehicle’s air brake system?
Explanation
Components of an air brake system include an air compressor, an air compressor governor, air storage tanks, air tank drains, an alcohol evaporator, a safety valve, a brake pedal, foundation brakes, supply pressure gauges, an application pressure gauge, a low air pressure warning signal, a stop light switch, a front brake limiting valve (on some older vehicles), spring brakes, and parking brake controls.
13. Antifreeze helps to keep an engine functioning properly:
Explanation
It is always important to have enough water and antifreeze in a vehicle's cooling system. Despite the name, antifreeze is beneficial to an engine even in hot weather.
14. What is the average driver’s reaction time?
Explanation
The average driver has a reaction time of between three-quarters of a second and one second.
Frequently Asked Questions
To obtain a CDL Doubles/Triples endorsement in Nevada, you need to follow these steps:
1. Be eligible: You must have a valid Nevada CDL and be at least 21 years of age.
2. Study: Get a copy of the Nevada Commercial Driver's License Handbook and review the section on Doubles/Triples.
3. Take a knowledge test: You will need to take and pass the Doubles/Triples knowledge test at a DMV office. You can schedule an appointment for the test by calling 1-877-368-7828 or visiting the DMV website.
4. Pay the fee: There is a fee associated with taking the test, which varies each year. You can find current fee information on the DMV website.
5. Pass a skills test: Once you have passed the knowledge test, you will need to take and pass a skills test that includes a pre-trip inspection, a basic control skills test, and an on-road driving test in a vehicle that has doubles/triples.
6. Pay for your new license: If you pass your skills test, you will need to pay for your new CDL license with the Doubles/Triples endorsement added.
It is important to note that you may be required to provide additional documentation or meet other requirements, so it is best to check with your local DMV office or visit their website for more information before starting the process.
1. Be eligible: You must have a valid Nevada CDL and be at least 21 years of age.
2. Study: Get a copy of the Nevada Commercial Driver's License Handbook and review the section on Doubles/Triples.
3. Take a knowledge test: You will need to take and pass the Doubles/Triples knowledge test at a DMV office. You can schedule an appointment for the test by calling 1-877-368-7828 or visiting the DMV website.
4. Pay the fee: There is a fee associated with taking the test, which varies each year. You can find current fee information on the DMV website.
5. Pass a skills test: Once you have passed the knowledge test, you will need to take and pass a skills test that includes a pre-trip inspection, a basic control skills test, and an on-road driving test in a vehicle that has doubles/triples.
6. Pay for your new license: If you pass your skills test, you will need to pay for your new CDL license with the Doubles/Triples endorsement added.
It is important to note that you may be required to provide additional documentation or meet other requirements, so it is best to check with your local DMV office or visit their website for more information before starting the process.
To get a CDL Doubles/Triples license, you must meet the following requirements:
1. Already have a valid CDL license: To obtain a Doubles/Triples endorsement, you must already have a valid CDL license.
2. Be at least 21 years old: In Nevada, you must be at least 21 years old to operate a commercial motor vehicle (CMV) across state lines or transport hazardous materials.
3. Pass the Doubles/Triples knowledge test: You must pass the Doubles/Triples knowledge test, which covers topics such as coupling and uncoupling, inspecting doubles/triples, and safe driving practices specific to operating these vehicles.
4. Pass a skills test: You must pass a skills test that includes a pre-trip inspection, basic control skills test, and an on-road driving test in a vehicle that has doubles/triples.
5. Meet medical requirements: You must meet the medical requirements to operate a CMV, which includes passing a physical exam conducted by a licensed medical examiner.
6. Provide necessary documentation: You may be required to provide additional documentation such as proof of identity, residency, and citizenship or lawful presence in the United States.
It is important to note that these are general requirements and there may be additional requirements depending on your specific situation or circumstances. It is recommended that you contact your local DMV office or visit their website for more information on obtaining a CDL Doubles/Triples license in Nevada.
1. Already have a valid CDL license: To obtain a Doubles/Triples endorsement, you must already have a valid CDL license.
2. Be at least 21 years old: In Nevada, you must be at least 21 years old to operate a commercial motor vehicle (CMV) across state lines or transport hazardous materials.
3. Pass the Doubles/Triples knowledge test: You must pass the Doubles/Triples knowledge test, which covers topics such as coupling and uncoupling, inspecting doubles/triples, and safe driving practices specific to operating these vehicles.
4. Pass a skills test: You must pass a skills test that includes a pre-trip inspection, basic control skills test, and an on-road driving test in a vehicle that has doubles/triples.
5. Meet medical requirements: You must meet the medical requirements to operate a CMV, which includes passing a physical exam conducted by a licensed medical examiner.
6. Provide necessary documentation: You may be required to provide additional documentation such as proof of identity, residency, and citizenship or lawful presence in the United States.
It is important to note that these are general requirements and there may be additional requirements depending on your specific situation or circumstances. It is recommended that you contact your local DMV office or visit their website for more information on obtaining a CDL Doubles/Triples license in Nevada.
Yes, you may need specific experience or training to obtain a CDL Doubles/Triples endorsement. The Nevada DMV requires that you have a Class A CDL before you can apply for a Doubles/Triples endorsement, and you must pass a skills test that includes driving a vehicle with doubles/triples.
In addition, the Federal Motor Carrier Safety Administration (FMCSA) requires that drivers seeking a Doubles/Triples endorsement complete specialized training in order to operate these types of vehicles safely. This training typically includes both classroom instruction and behind-the-wheel training.
The FMCSA also requires that drivers have at least 90 days of experience operating a commercial motor vehicle before being eligible for the Doubles/Triples endorsement. This experience can be obtained while driving with a Class A CDL and may include driving tractor-trailers or other types of CMVs.
It is important to note that there may be other specific requirements or qualifications depending on your circumstances or the type of CMV you will be operating. You should check with your local DMV or visit their website for more information on the specific training and experience requirements for obtaining a CDL Doubles/Triples endorsement in Nevada.
In addition, the Federal Motor Carrier Safety Administration (FMCSA) requires that drivers seeking a Doubles/Triples endorsement complete specialized training in order to operate these types of vehicles safely. This training typically includes both classroom instruction and behind-the-wheel training.
The FMCSA also requires that drivers have at least 90 days of experience operating a commercial motor vehicle before being eligible for the Doubles/Triples endorsement. This experience can be obtained while driving with a Class A CDL and may include driving tractor-trailers or other types of CMVs.
It is important to note that there may be other specific requirements or qualifications depending on your circumstances or the type of CMV you will be operating. You should check with your local DMV or visit their website for more information on the specific training and experience requirements for obtaining a CDL Doubles/Triples endorsement in Nevada.
Yes, to obtain a CDL Doubles/Triples endorsement, you must pass a written test specific to the Doubles/Triples endorsement in addition to the general knowledge test required for all CDL applicants.
The written test for the Doubles/Triples endorsement covers topics such as:
1. Inspection of doubles/triples
2. Coupling and uncoupling
3. Safe driving practices for operating doubles/triples
4. Emergency procedures specific to doubles/triples
You must pass the general knowledge test and the Doubles/Triples endorsement test before you can take the skills test required to obtain your CDL Doubles/Triples endorsement.
It is important to note that the Nevada DMV may also require additional tests or exams depending on your specific situation or circumstances. You should check with your local DMV or visit their website for more information on the specific testing requirements for obtaining a CDL Doubles/Triples endorsement in Nevada.
The written test for the Doubles/Triples endorsement covers topics such as:
1. Inspection of doubles/triples
2. Coupling and uncoupling
3. Safe driving practices for operating doubles/triples
4. Emergency procedures specific to doubles/triples
You must pass the general knowledge test and the Doubles/Triples endorsement test before you can take the skills test required to obtain your CDL Doubles/Triples endorsement.
It is important to note that the Nevada DMV may also require additional tests or exams depending on your specific situation or circumstances. You should check with your local DMV or visit their website for more information on the specific testing requirements for obtaining a CDL Doubles/Triples endorsement in Nevada.
To obtain a CDL Doubles/Triples endorsement in Nevada, you must pass a skills test that includes specific maneuvers and skills related to driving doubles/triples vehicles.
The skills test for the Doubles/Triples endorsement will typically include the following maneuvers:
1. Pre-trip inspection: You must demonstrate your ability to properly inspect a doubles/triples vehicle before driving it. This includes inspecting the coupling system, electrical connections, and air brake system.
2. Straight-line backing: You must back up the doubles/triples vehicle in a straight line for a certain distance without hitting any cones or other obstacles.
3. Offset backing: You must back up the doubles/triples vehicle through a curved path into a designated parking space without hitting any cones or other obstacles.
4. Parallel parking: You must back up the doubles/triples vehicle into a designated parking space without hitting any cones or other obstacles.
5. Coupling and uncoupling: You must demonstrate your ability to properly couple and uncouple the doubles/triples vehicle.
6. On-road driving: You must demonstrate your ability to drive the doubles/triples vehicle safely on public roads while following all traffic laws and regulations.
It is important to note that the specific maneuvers and skills required for the Doubles/Triples endorsement test may vary depending on your specific situation or circumstances. You should check with your local DMV or visit their website for more information on the specific skills test requirements for obtaining a CDL Doubles/Triples endorsement in Nevada.
The skills test for the Doubles/Triples endorsement will typically include the following maneuvers:
1. Pre-trip inspection: You must demonstrate your ability to properly inspect a doubles/triples vehicle before driving it. This includes inspecting the coupling system, electrical connections, and air brake system.
2. Straight-line backing: You must back up the doubles/triples vehicle in a straight line for a certain distance without hitting any cones or other obstacles.
3. Offset backing: You must back up the doubles/triples vehicle through a curved path into a designated parking space without hitting any cones or other obstacles.
4. Parallel parking: You must back up the doubles/triples vehicle into a designated parking space without hitting any cones or other obstacles.
5. Coupling and uncoupling: You must demonstrate your ability to properly couple and uncouple the doubles/triples vehicle.
6. On-road driving: You must demonstrate your ability to drive the doubles/triples vehicle safely on public roads while following all traffic laws and regulations.
It is important to note that the specific maneuvers and skills required for the Doubles/Triples endorsement test may vary depending on your specific situation or circumstances. You should check with your local DMV or visit their website for more information on the specific skills test requirements for obtaining a CDL Doubles/Triples endorsement in Nevada.
No, you cannot legally operate double/triple trailers without a CDL Doubles/Triples endorsement in Nevada. The Doubles/Triples endorsement is required for drivers who operate commercial motor vehicles (CMVs) that have two or three trailers attached.
According to the Federal Motor Carrier Safety Administration (FMCSA), a CDL holder must have a Doubles/Triples endorsement on their license to operate a CMV with two or three trailers. If you are caught operating a CMV with two or three trailers without the proper endorsement, you could face fines, penalties, and even the suspension or revocation of your CDL.
It is important to note that the requirements for obtaining a CDL Doubles/Triples endorsement may vary from state to state. You should check with your local DMV or visit their website for more information on the specific requirements for obtaining a CDL Doubles/Triples endorsement in Nevada.
According to the Federal Motor Carrier Safety Administration (FMCSA), a CDL holder must have a Doubles/Triples endorsement on their license to operate a CMV with two or three trailers. If you are caught operating a CMV with two or three trailers without the proper endorsement, you could face fines, penalties, and even the suspension or revocation of your CDL.
It is important to note that the requirements for obtaining a CDL Doubles/Triples endorsement may vary from state to state. You should check with your local DMV or visit their website for more information on the specific requirements for obtaining a CDL Doubles/Triples endorsement in Nevada.
You can add the CDL Doubles/Triples endorsement to your existing CDL license in Nevada by passing the required knowledge and skills tests. You do not need to apply for a new license unless you are also making other changes to your CDL, such as upgrading to a higher class or adding other endorsements.
To add the Doubles/Triples endorsement to your CDL, you must first pass a written knowledge test that covers topics such as coupling and uncoupling, inspecting doubles/triples vehicles, and safe driving practices. Once you pass the knowledge test, you will need to take a skills test that includes specific maneuvers and skills related to driving doubles/triples vehicles.
If you pass both the knowledge and skills tests, the Doubles/Triples endorsement will be added to your existing CDL license. You will not be issued a new license unless you are also making other changes to your CDL.
It is important to note that adding a Doubles/Triples endorsement may require additional fees, and there may be specific age and experience requirements for obtaining this endorsement. You should check with your local DMV or visit their website for more information on the requirements for adding a Doubles/Triples endorsement to your CDL in Nevada.
To add the Doubles/Triples endorsement to your CDL, you must first pass a written knowledge test that covers topics such as coupling and uncoupling, inspecting doubles/triples vehicles, and safe driving practices. Once you pass the knowledge test, you will need to take a skills test that includes specific maneuvers and skills related to driving doubles/triples vehicles.
If you pass both the knowledge and skills tests, the Doubles/Triples endorsement will be added to your existing CDL license. You will not be issued a new license unless you are also making other changes to your CDL.
It is important to note that adding a Doubles/Triples endorsement may require additional fees, and there may be specific age and experience requirements for obtaining this endorsement. You should check with your local DMV or visit their website for more information on the requirements for adding a Doubles/Triples endorsement to your CDL in Nevada.
Yes, there are restrictions and limitations for drivers with a CDL Doubles/Triples endorsement in Nevada. These restrictions and limitations are in place to ensure the safety of the driver, other motorists, and the cargo being transported.
Some of the restrictions and limitations for drivers with a CDL Doubles/Triples endorsement include:
1. Length Restrictions: The maximum length of a double/triple trailer combination is 28 feet for each trailer.
2. Weight Restrictions: The maximum weight of a double/triple trailer combination is 80,000 pounds.
3. Experience Requirements: Drivers must have at least two years of experience driving a commercial motor vehicle before they can obtain a Doubles/Triples endorsement.
4. Skills Test Requirements: Drivers must pass a skills test that includes specific maneuvers and skills related to driving doubles/triples vehicles.
5. Endorsement Renewal: The Doubles/Triples endorsement must be renewed every four years along with your CDL.
It is important to note that these restrictions and limitations may vary from state to state, so it is important to check with your local DMV or visit their website for more information on the specific requirements for drivers with a CDL Doubles/Triples endorsement in Nevada.
Some of the restrictions and limitations for drivers with a CDL Doubles/Triples endorsement include:
1. Length Restrictions: The maximum length of a double/triple trailer combination is 28 feet for each trailer.
2. Weight Restrictions: The maximum weight of a double/triple trailer combination is 80,000 pounds.
3. Experience Requirements: Drivers must have at least two years of experience driving a commercial motor vehicle before they can obtain a Doubles/Triples endorsement.
4. Skills Test Requirements: Drivers must pass a skills test that includes specific maneuvers and skills related to driving doubles/triples vehicles.
5. Endorsement Renewal: The Doubles/Triples endorsement must be renewed every four years along with your CDL.
It is important to note that these restrictions and limitations may vary from state to state, so it is important to check with your local DMV or visit their website for more information on the specific requirements for drivers with a CDL Doubles/Triples endorsement in Nevada.
In Nevada, the maximum weight limit for a double/triple trailer combination with a CDL Doubles/Triples endorsement is 80,000 pounds.
The maximum length limit for a double/triple trailer combination with a CDL Doubles/Triples endorsement is 28 feet for each trailer. This means that the total length of the combination cannot exceed 84 feet, including the tractor.
It's important to note that these weight and length limits may vary from state to state, so it's important to check with your local DMV or visit their website for more information on the specific requirements for drivers with a CDL Doubles/Triples endorsement in Nevada or any other state.
The maximum length limit for a double/triple trailer combination with a CDL Doubles/Triples endorsement is 28 feet for each trailer. This means that the total length of the combination cannot exceed 84 feet, including the tractor.
It's important to note that these weight and length limits may vary from state to state, so it's important to check with your local DMV or visit their website for more information on the specific requirements for drivers with a CDL Doubles/Triples endorsement in Nevada or any other state.
Yes, there are specific safety considerations and regulations for driving double/triple trailers with a CDL Doubles/Triples endorsement in Nevada. These regulations are in place to ensure the safety of the driver, the cargo being transported, and other motorists on the road. Some of these regulations include:
1. Proper Loading: Double/triple trailers must be loaded properly to ensure weight is distributed evenly and that cargo is properly secured to prevent shifting or falling off.
2. Speed Limits: Double/triple trailers have lower speed limits than other commercial vehicles, and drivers must obey all posted speed limits to ensure safe driving.
3. Lane Restrictions: Double/triple trailers are restricted from using certain lanes on highways and interstates.
4. Increased Stopping Distance: Double/triple trailers require a longer stopping distance due to their weight and length, so drivers must maintain a safe following distance and be aware of their surroundings.
5. Proper Signal Use: Drivers must use proper signals when changing lanes or turning to ensure other motorists are aware of their intentions.
6. Vehicle Maintenance: Regular maintenance is required for double/triple trailers to ensure they are in good working condition and safe for the road.
It's important for drivers with a CDL Doubles/Triples endorsement in Nevada to be familiar with these regulations and safety considerations to ensure safe driving practices at all times.
1. Proper Loading: Double/triple trailers must be loaded properly to ensure weight is distributed evenly and that cargo is properly secured to prevent shifting or falling off.
2. Speed Limits: Double/triple trailers have lower speed limits than other commercial vehicles, and drivers must obey all posted speed limits to ensure safe driving.
3. Lane Restrictions: Double/triple trailers are restricted from using certain lanes on highways and interstates.
4. Increased Stopping Distance: Double/triple trailers require a longer stopping distance due to their weight and length, so drivers must maintain a safe following distance and be aware of their surroundings.
5. Proper Signal Use: Drivers must use proper signals when changing lanes or turning to ensure other motorists are aware of their intentions.
6. Vehicle Maintenance: Regular maintenance is required for double/triple trailers to ensure they are in good working condition and safe for the road.
It's important for drivers with a CDL Doubles/Triples endorsement in Nevada to be familiar with these regulations and safety considerations to ensure safe driving practices at all times.
