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
1. Brake fading is caused when:
Explanation
Using the brakes excessively will cause them to overheat, making them less effective. This is referred to as "fading."
2. During an inspection, slack adjusters on S-cam brakes should not move more than:
Explanation
Check each slack adjuster after parking on level ground, setting wheel chocks, and disengaging the parking brake. Pull the slack adjusters to make sure they do not move more than about one inch from where the push rod is attached. If they move more than one inch, they may be out of adjustment and will need to be fixed.
3. Which of the following is not a type of retarder?
Explanation
Retarders are mechanisms in some vehicles that help slow the vehicle and reduce the need for braking. The four basic types of retarders are exhaust, engine, hydraulic, and electric.
4. Air tank drains:
Explanation
Compressed air in an air brake system usually has a certain amount of water and oil in it. This can harm the system if allowed to accumulate. Air tanks have drain valves to aid in removing water and oil from the compressed air.
5. When backing, it is best to:
Explanation
If you must drive in reverse, you should back up slowly and use the mirrors on both sides of your vehicle. Use a helper to monitor your blind spots whenever possible. You and the helper should agree on a signal for "stop."
6. The steering wheel should be:
Explanation
To maintain proper control of your vehicle, the steering wheel should be held firmly with both hands. Your hands should be positioned on opposite sides of the wheel.
7. When driving at night, you should do all of the following, except:
Explanation
To ensure that you can see as well as possible, don't wear sunglasses when driving at night. If you wear eyeglasses, make sure they are clean and unscratched. Make sure you are rested and alert before driving at night.
Ranked by best match
Frequently Asked Questions
To obtain a CDL Doubles/Triples endorsement in Nevada, follow these steps:
1. Obtain a Nevada Commercial Driver's License (CDL): To apply for a CDL, you will need to meet the state's age, residency, and medical requirements. You will also need to pass a written knowledge test and a skills test.
2. Study the Nevada CDL handbook: The handbook contains information on all the endorsements available for CDL holders, including the Doubles/Triples endorsement. Studying the handbook will help you prepare for the knowledge test.
3. Schedule and pass the Doubles/Triples endorsement knowledge test: You will need to pass a written knowledge test that covers topics such as coupling and uncoupling, inspecting doubles/triples, and driving doubles/triples.
4. Practice driving doubles/triples with a CDL holder: Before taking the skills test, you should practice driving doubles/triples with someone who already holds a CDL with a Doubles/Triples endorsement.
5. Schedule and pass the Doubles/Triples endorsement skills test: The skills test will be administered by an approved third-party tester or a DMV examiner. During the test, you will be required to perform various maneuvers with your double/triple vehicle.
6. Pay the required fees: There are fees associated with obtaining a Doubles/Triples endorsement in Nevada. Check with your local DMV office for more information on current fees.
Once you have completed all these steps and passed both tests, your CDL license will be updated to include the Doubles/Triples endorsement.
1. Obtain a Nevada Commercial Driver's License (CDL): To apply for a CDL, you will need to meet the state's age, residency, and medical requirements. You will also need to pass a written knowledge test and a skills test.
2. Study the Nevada CDL handbook: The handbook contains information on all the endorsements available for CDL holders, including the Doubles/Triples endorsement. Studying the handbook will help you prepare for the knowledge test.
3. Schedule and pass the Doubles/Triples endorsement knowledge test: You will need to pass a written knowledge test that covers topics such as coupling and uncoupling, inspecting doubles/triples, and driving doubles/triples.
4. Practice driving doubles/triples with a CDL holder: Before taking the skills test, you should practice driving doubles/triples with someone who already holds a CDL with a Doubles/Triples endorsement.
5. Schedule and pass the Doubles/Triples endorsement skills test: The skills test will be administered by an approved third-party tester or a DMV examiner. During the test, you will be required to perform various maneuvers with your double/triple vehicle.
6. Pay the required fees: There are fees associated with obtaining a Doubles/Triples endorsement in Nevada. Check with your local DMV office for more information on current fees.
Once you have completed all these steps and passed both tests, your CDL license will be updated to include the Doubles/Triples endorsement.
To obtain a CDL Doubles/Triples license in Nevada, you must meet the following requirements:
1. Be at least 21 years old: You must be at least 21 years old to drive a commercial vehicle across state lines or transport hazardous materials.
2. Have a valid Nevada CDL: You must already have a valid Nevada Commercial Driver's License (CDL) or be in the process of obtaining one.
3. Pass a written knowledge test: You will need to pass a written knowledge test that covers topics such as coupling and uncoupling, inspecting doubles/triples, and driving doubles/triples.
4. Pass a skills test: You will also need to pass a skills test that demonstrates your ability to safely operate a double/triple vehicle.
5. Obtain a medical certificate: You will need to obtain a medical certificate from a licensed medical examiner to prove that you are physically fit to operate a commercial vehicle.
6. Provide proof of identity and residency: You will need to provide proof of your identity and residency in Nevada.
7. Pay the required fees: There are fees associated with obtaining a Doubles/Triples endorsement in Nevada. Check with your local DMV office for more information on current fees.
It's important to note that the requirements for obtaining a CDL Doubles/Triples license may vary from state to state. Be sure to check with your local DMV office for specific information on the requirements in your area.
1. Be at least 21 years old: You must be at least 21 years old to drive a commercial vehicle across state lines or transport hazardous materials.
2. Have a valid Nevada CDL: You must already have a valid Nevada Commercial Driver's License (CDL) or be in the process of obtaining one.
3. Pass a written knowledge test: You will need to pass a written knowledge test that covers topics such as coupling and uncoupling, inspecting doubles/triples, and driving doubles/triples.
4. Pass a skills test: You will also need to pass a skills test that demonstrates your ability to safely operate a double/triple vehicle.
5. Obtain a medical certificate: You will need to obtain a medical certificate from a licensed medical examiner to prove that you are physically fit to operate a commercial vehicle.
6. Provide proof of identity and residency: You will need to provide proof of your identity and residency in Nevada.
7. Pay the required fees: There are fees associated with obtaining a Doubles/Triples endorsement in Nevada. Check with your local DMV office for more information on current fees.
It's important to note that the requirements for obtaining a CDL Doubles/Triples license may vary from state to state. Be sure to check with your local DMV office for specific information on the requirements in your area.
Yes, you will need some specific experience or training to obtain a CDL Doubles/Triples endorsement in Nevada. The state requires that you have a valid CDL license before you can apply for a Doubles/Triples endorsement. Additionally, you will need to pass both a written knowledge test and a skills test specific to operating doubles/triples vehicles.
It is recommended that you have some experience driving commercial vehicles before attempting to obtain a Doubles/Triples endorsement. This is because driving doubles/triples vehicles can be more challenging than driving single vehicles due to their longer length and increased weight.
Nevada does not require any formal training before taking the Doubles/Triples endorsement tests, but it is highly recommended that you receive specialized training from a reputable truck driving school or certified trainer who can teach you how to safely operate doubles/triples vehicles.
Ultimately, your ability to obtain a CDL Doubles/Triples endorsement will depend on your knowledge, skills, and experience in operating commercial vehicles.
It is recommended that you have some experience driving commercial vehicles before attempting to obtain a Doubles/Triples endorsement. This is because driving doubles/triples vehicles can be more challenging than driving single vehicles due to their longer length and increased weight.
Nevada does not require any formal training before taking the Doubles/Triples endorsement tests, but it is highly recommended that you receive specialized training from a reputable truck driving school or certified trainer who can teach you how to safely operate doubles/triples vehicles.
Ultimately, your ability to obtain a CDL Doubles/Triples endorsement will depend on your knowledge, skills, and experience in operating commercial vehicles.
Yes, there is an additional written test that you will need to pass to obtain a CDL Doubles/Triples endorsement in Nevada. This written test is specific to the knowledge and skills necessary to safely operate a vehicle with multiple trailers. The test will cover topics such as:
1. Inspecting doubles/triples vehicles
2. Coupling and uncoupling procedures
3. Safe driving techniques, including turning, backing up, and parking
4. Special rules and regulations for driving doubles/triples vehicles
In addition to the written test, you will also need to pass a skills test that demonstrates your ability to safely operate a double/triple vehicle. This skills test will include a pre-trip inspection of the vehicle, an on-road driving test, and a skills evaluation that assesses your ability to safely couple and uncouple the trailers.
It's important to note that the requirements for obtaining a CDL Doubles/Triples endorsement may vary from state to state. Be sure to check with your local DMV office for specific information on the requirements and tests in your area.
1. Inspecting doubles/triples vehicles
2. Coupling and uncoupling procedures
3. Safe driving techniques, including turning, backing up, and parking
4. Special rules and regulations for driving doubles/triples vehicles
In addition to the written test, you will also need to pass a skills test that demonstrates your ability to safely operate a double/triple vehicle. This skills test will include a pre-trip inspection of the vehicle, an on-road driving test, and a skills evaluation that assesses your ability to safely couple and uncouple the trailers.
It's important to note that the requirements for obtaining a CDL Doubles/Triples endorsement may vary from state to state. Be sure to check with your local DMV office for specific information on the requirements and tests in your area.
To obtain a CDL Doubles/Triples endorsement in Nevada, you will need to demonstrate several specific skills and maneuvers during the skills test. These include:
1. Pre-trip Inspection: You will need to demonstrate your ability to conduct a thorough inspection of the double/triple vehicle to ensure that it is in good working condition and safe to operate.
2. Coupling: You will need to demonstrate your ability to safely couple the two trailers together, ensuring that they are securely attached and that all safety devices are properly connected.
3. Driving Skills: You will need to demonstrate your ability to safely operate the double/triple vehicle on the road, including turning, backing up, and parking maneuvers. This will include demonstrating proper lane positioning, speed control, and use of mirrors.
4. Uncoupling: You will need to demonstrate your ability to safely uncouple the two trailers, ensuring that they are properly secured and disconnected.
During the skills test, you will be evaluated by a certified examiner who will score your performance on each maneuver. To pass the test and obtain your Doubles/Triples endorsement, you will need to achieve a passing score on each maneuver.
It's important to note that the specific requirements for the CDL Doubles/Triples endorsement test may vary from state to state. Be sure to check with your local DMV office for detailed information on the skills and maneuvers required in your area.
1. Pre-trip Inspection: You will need to demonstrate your ability to conduct a thorough inspection of the double/triple vehicle to ensure that it is in good working condition and safe to operate.
2. Coupling: You will need to demonstrate your ability to safely couple the two trailers together, ensuring that they are securely attached and that all safety devices are properly connected.
3. Driving Skills: You will need to demonstrate your ability to safely operate the double/triple vehicle on the road, including turning, backing up, and parking maneuvers. This will include demonstrating proper lane positioning, speed control, and use of mirrors.
4. Uncoupling: You will need to demonstrate your ability to safely uncouple the two trailers, ensuring that they are properly secured and disconnected.
During the skills test, you will be evaluated by a certified examiner who will score your performance on each maneuver. To pass the test and obtain your Doubles/Triples endorsement, you will need to achieve a passing score on each maneuver.
It's important to note that the specific requirements for the CDL Doubles/Triples endorsement test may vary from state to state. Be sure to check with your local DMV office for detailed information on the skills and maneuvers required in your area.
No, you cannot legally operate a double/triple trailer without a CDL Doubles/Triples endorsement in Nevada. The Federal Motor Carrier Safety Administration (FMCSA) requires drivers to obtain this endorsement in order to operate commercial vehicles with multiple trailers.
To obtain a CDL Doubles/Triples endorsement, you must pass both a written knowledge test and a skills test. The skills test will evaluate your ability to safely operate a vehicle with multiple trailers, including coupling and uncoupling procedures, turning, backing up, and parking maneuvers.
Penalties for operating a double/triple trailer without the proper endorsement can include fines, suspension or revocation of your commercial driver's license, and even criminal charges in some cases.
It's important to note that the requirements for obtaining a CDL Doubles/Triples endorsement may vary from state to state. Be sure to check with your local DMV office for specific information on the requirements and penalties in your area.
To obtain a CDL Doubles/Triples endorsement, you must pass both a written knowledge test and a skills test. The skills test will evaluate your ability to safely operate a vehicle with multiple trailers, including coupling and uncoupling procedures, turning, backing up, and parking maneuvers.
Penalties for operating a double/triple trailer without the proper endorsement can include fines, suspension or revocation of your commercial driver's license, and even criminal charges in some cases.
It's important to note that the requirements for obtaining a CDL Doubles/Triples endorsement may vary from state to state. Be sure to check with your local DMV office for specific information on the requirements and penalties in your area.
You can add the CDL Doubles/Triples endorsement to your existing CDL license in Nevada. To do so, you will need to pass both the written knowledge test and the skills test for the Doubles/Triples endorsement.
To take the written knowledge test, you will need to visit a Nevada DMV office and bring the following documents:
1. Your valid CDL license
2. Your social security card
3. Proof of residency in Nevada
4. Payment for the endorsement fee
Once you have passed the written knowledge test, you will need to schedule and pass a skills test that includes demonstrating your ability to safely operate a vehicle with multiple trailers.
If you pass both tests, the DMV will add the Doubles/Triples endorsement to your existing CDL license. You will receive a new license that reflects this endorsement.
It's important to note that you must already have a valid CDL license before you can add the Doubles/Triples endorsement. If your CDL has expired or is not in good standing, you may need to apply for a new license before adding the endorsement.
To take the written knowledge test, you will need to visit a Nevada DMV office and bring the following documents:
1. Your valid CDL license
2. Your social security card
3. Proof of residency in Nevada
4. Payment for the endorsement fee
Once you have passed the written knowledge test, you will need to schedule and pass a skills test that includes demonstrating your ability to safely operate a vehicle with multiple trailers.
If you pass both tests, the DMV will add the Doubles/Triples endorsement to your existing CDL license. You will receive a new license that reflects this endorsement.
It's important to note that you must already have a valid CDL license before you can add the Doubles/Triples endorsement. If your CDL has expired or is not in good standing, you may need to apply for a new license before adding the endorsement.
Yes, there are restrictions and limitations for drivers with a CDL Doubles/Triples endorsement in Nevada. These restrictions include:
1. Maximum length: The total length of the combination of vehicles, including the power unit and trailers, cannot exceed 68 feet.
2. Maximum weight: The gross weight of the combination of vehicles cannot exceed 80,000 pounds.
3. Interstate travel: If you have a Doubles/Triples endorsement on your CDL license, you are allowed to operate double/triple trailers in interstate commerce.
4. Specialized training: If you are a driver with a CDL Doubles/Triples endorsement, you must have specialized training to ensure you are familiar with the handling characteristics of a vehicle with multiple trailers.
It's important to note that these restrictions may vary from state to state. Be sure to check with your local DMV office for specific information on the restrictions and limitations in your area. Additionally, it's important to always follow all federal and state regulations while operating a commercial vehicle with multiple trailers.
1. Maximum length: The total length of the combination of vehicles, including the power unit and trailers, cannot exceed 68 feet.
2. Maximum weight: The gross weight of the combination of vehicles cannot exceed 80,000 pounds.
3. Interstate travel: If you have a Doubles/Triples endorsement on your CDL license, you are allowed to operate double/triple trailers in interstate commerce.
4. Specialized training: If you are a driver with a CDL Doubles/Triples endorsement, you must have specialized training to ensure you are familiar with the handling characteristics of a vehicle with multiple trailers.
It's important to note that these restrictions may vary from state to state. Be sure to check with your local DMV office for specific information on the restrictions and limitations in your area. Additionally, it's important to always follow all federal and state regulations while operating a commercial vehicle with multiple trailers.
In Nevada, if you have a CDL Doubles/Triples endorsement, the maximum weight limit for double/triple trailers is 80,000 pounds. The maximum length limit for double/triple trailers is 68 feet.
It's important to note that these weight and length limits may vary from state to state and may also be subject to federal regulations. It's always important to check with your local DMV office and the Federal Motor Carrier Safety Administration (FMCSA) for current and accurate information on weight and length limits for double/triple trailers with a CDL Doubles/Triples endorsement. Additionally, it's important to always follow all weight and length restrictions to ensure your safety and the safety of others on the road.
It's important to note that these weight and length limits may vary from state to state and may also be subject to federal regulations. It's always important to check with your local DMV office and the Federal Motor Carrier Safety Administration (FMCSA) for current and accurate information on weight and length limits for double/triple trailers with a CDL Doubles/Triples endorsement. Additionally, it's important to always follow all weight and length restrictions to ensure your safety and the safety of others on the road.
Yes, there are specific safety considerations and regulations for driving double/triple trailers with a CDL Doubles/Triples endorsement. Some of the most important safety considerations and regulations include:
1. Specialized Training: Drivers with a CDL Doubles/Triples endorsement are required to have specialized training to ensure that they are familiar with the handling characteristics of vehicles with multiple trailers.
2. Weight Limits: Drivers must ensure that their vehicle does not exceed the weight limit for double/triple trailers, which is 80,000 pounds.
3. Length Limits: Drivers must ensure that their vehicle does not exceed the length limit for double/triple trailers, which is 68 feet.
4. Turning and Braking: Vehicles with multiple trailers require more space when turning and braking. Drivers must take extra care when turning or braking to ensure that their vehicle does not jackknife or skid.
5. Inspection and Maintenance: Drivers must inspect their vehicle before each trip to ensure that it is in good working condition. Regular maintenance is also required to keep the vehicle in good condition.
6. Securement of Cargo: Drivers must ensure that their cargo is properly secured and distributed to prevent shifting or falling during transit.
7. CDL Endorsement: Drivers must have a valid CDL Doubles/Triples endorsement in order to operate vehicles with multiple trailers.
These safety considerations and regulations are in place to help prevent accidents and ensure the safety of everyone on the road. It's important for drivers with a CDL Doubles/Triples endorsement to follow all regulations and take extra care when operating vehicles with multiple trailers.
1. Specialized Training: Drivers with a CDL Doubles/Triples endorsement are required to have specialized training to ensure that they are familiar with the handling characteristics of vehicles with multiple trailers.
2. Weight Limits: Drivers must ensure that their vehicle does not exceed the weight limit for double/triple trailers, which is 80,000 pounds.
3. Length Limits: Drivers must ensure that their vehicle does not exceed the length limit for double/triple trailers, which is 68 feet.
4. Turning and Braking: Vehicles with multiple trailers require more space when turning and braking. Drivers must take extra care when turning or braking to ensure that their vehicle does not jackknife or skid.
5. Inspection and Maintenance: Drivers must inspect their vehicle before each trip to ensure that it is in good working condition. Regular maintenance is also required to keep the vehicle in good condition.
6. Securement of Cargo: Drivers must ensure that their cargo is properly secured and distributed to prevent shifting or falling during transit.
7. CDL Endorsement: Drivers must have a valid CDL Doubles/Triples endorsement in order to operate vehicles with multiple trailers.
These safety considerations and regulations are in place to help prevent accidents and ensure the safety of everyone on the road. It's important for drivers with a CDL Doubles/Triples endorsement to follow all regulations and take extra care when operating vehicles with multiple trailers.
