Combination #1
Combination Vehicles Practice Test | Rhode Island 2026 #1
Train for FREE online with our Rhode Island CDL combination vehicle test. The official exam test consists of several obligatory parts, with all of them checking your knowledge of different blocks of road rules. If you need to obtain a RI combination license in 2026, practice as much as possible. Free sample tests published on our website will help you check and improve your knowledge and boost your grades. Please bear in mind that DMV requirements for issuing a combination license may vary from state to state.
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1 . When testing ____, you should apply your vehicle's brakes with the hand control while moving the vehicle forward slowly.
To test the trailer service brakes, you should first ensure that the braking system has a normal air pressure level, then release the parking brake. You should then move the vehicle forward slowly and apply the brakes with the hand control. If the trailer service brakes are working properly, you will feel the brakes activate.
2 . Keeping cargo centered on a rig can:
A rollover is more likely if cargo is unevenly loaded in a rig. To help prevent a dangerous rollover, it is important to keep a load as centered on the rig as possible.
3 . When a combination vehicle goes around a corner:
When a vehicle goes around a corner, the rear wheels follow a different path than the front wheels. This is called off-tracking. This effect is especially pronounced on vehicles with trailers.
4 . When the wheels of a trailer lock up:
A trailer may swing out and strike other vehicles if its wheels lock up. This is especially likely with lightly-loaded trailers.
5 . If the emergency air line loses pressure:
The emergency air line controls the emergency brakes on a combination vehicle. A loss of air pressure in the emergency line will cause the emergency trailer brakes to activate.
6 . If color-coded, which color is used to identify emergency, or supply, lines?
Air lines are sometimes color-coded to help drivers avoid mistakes when coupling glad hands. Typically, blue is used for service lines and red is used for emergency lines.
7 . If a parked trailer does not have spring brakes, you should keep the trailer from moving by:
If a parked trailer does not have spring brakes, wheel chocks should be used to prevent it from moving.
See the exact questions that will be on the 2026 Rhode Island DMV exam.
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2026 Rhode Island | Frequently Asked Questions
To secure a CDL Doubles/Triples endorsement in Rhode Island, you must already possess a valid commercial driver's license (CDL). Then, study the specific material related to doubles/triples operation in the CDL manual. After preparing, schedule and pass the written doubles/triples endorsement test at a Rhode Island DMV location. Remember, driving skills test isn't required for this endorsement.
To obtain a CDL Doubles/Triples license, you must first possess a valid Commercial Driver's License (CDL). You then need to study the specific sections of your state's CDL manual related to operating doubles/triples. After studying, you must pass the written endorsement test at your local DMV. No specific skills test is needed for this endorsement.
While no specific experience or on-road training is legally required for a CDL Doubles/Triples endorsement, you must already hold a valid Commercial Driver's License (CDL). Studying the relevant sections in the CDL manual and understanding how to safely operate these vehicles are crucial. Passing the state's written endorsement test at the DMV is required to obtain the endorsement.
Yes, in Rhode Island, extra written tests or exams are mandatory for the CDL Doubles/Triples endorsement. To obtain this endorsement, you must pass a written test specifically designed to assess your knowledge and understanding of the safe operation of vehicles with multiple trailers. It is important to study and prepare for this additional test to successfully obtain the endorsement.
There is no specific skills test or maneuvers required for the CDL Doubles/Triples endorsement. The process involves a written knowledge test only. This test covers topics like coupling and uncoupling, inspecting doubles and triples, and managing the vehicles on the road. However, being proficient in these skills is beneficial for safely operating such vehicles.
No, it's not permissible. In Rhode Island, as in all U.S. states, drivers must hold a valid Commercial Driver's License (CDL) with a Doubles/Triples endorsement to legally operate double or triple trailers. Operating these vehicles without the proper license and endorsement can result in heavy fines and legal penalties.
In Rhode Island, you can append the CDL Doubles/Triples endorsement to your current license. You do not need to initiate a new application. To add the endorsement, you will need to pass the required written test and pay the applicable fees. Once you have successfully obtained the endorsement, it will be added to your existing CDL license.
Yes, there are limitations. A CDL Doubles/Triples endorsement allows you to operate vehicles with more than one trailer, but the total length of the vehicle combination must not exceed 100 feet in Rhode Island. Additionally, drivers must adhere to all weight restrictions and safety regulations. Violations can result in fines, license suspension, or revocation.
In Rhode Island, the maximum length for any combination vehicle is 100 feet. The maximum weight depends on the number of axles and spacing between them, but it typically does not exceed 80,000 pounds. However, specific routes may have lower restrictions. Always check local regulations before driving a double or triple trailer.
Yes, there are specific safety guidelines and regulations for driving double/triple trailers with a CDL Doubles/Triples endorsement in Rhode Island. These include maintaining proper spacing between trailers, adjusting driving techniques to account for increased length and weight, adhering to weight restrictions, and following specific procedures for coupling and uncoupling trailers. It is important to familiarize yourself with these guidelines to ensure safe operation of double/triple trailers.
