Combination #1
Combination Vehicles Practice Test | North Carolina 2026 #1
Train for FREE online with our North Carolina 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 NC 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 . Pushing in the trailer air supply control will:
Push in the trailer air supply control to supply the trailer with air. Pull out the trailer air supply control to turn off the air supply and activate the emergency brakes.
2 . Using the trailer hand valve while driving:
Is impossible.
Never use the trailer hand valve while operating your vehicle. Using the trailer hand valve while driving can cause your trailer to skid.
3 . A trolley valve:
The trailer hand valve (also referred to as the trolley valve or Johnson bar) is a mechanism that works the trailer brakes. It should only be used to test the brakes. Using it while the vehicle is being driven could cause a skid. Never use the trailer hand valve while parking because doing so may release the air pressure from the braking system, releasing the brakes that are holding the vehicle in place.
4 . If the trailer begins to skid, it is best to:
Brake.
If your trailer begins to skid, you should release the brakes to help regain traction. Once the wheels grip the road again, the trailer will begin to straighten out and follow the path of the tractor.
5 . When backing a trailer, how should you turn the steering wheel?
It depends on where the trailer is being backed.
When backing with a trailer, turn the top of the steering wheel in the direction opposite of where you want to go. Once the trailer begins turning, you should then switch the direction of the steering wheel to follow the trailer.
6 . Compared to other commercial motor vehicles, combination vehicles need more space on the road because they are longer and they:
Swerve more often.
Combination vehicles need more space on the road than other commercial vehicles because they are longer and need more space to turn and stop. It is especially important to properly manage space when you are operating a combination vehicle.
See the exact questions that will be on the 2026 North Carolina DMV exam.
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2026 North Carolina | Frequently Asked Questions
To acquire a CDL Tank endorsement in North Carolina, you must first have a valid Commercial Driver's License (CDL). Next, prepare for the Tank endorsement test by studying the relevant section of the NC CDL manual. Schedule and pass the written test at your local DMV. Upon passing, your Tank endorsement will be added to your CDL.
To obtain a CDL Tank license in North Carolina, you must first have a valid Commercial Driver's License (CDL). Then, study the Tank Vehicles section of the NC CDL manual. Following this, you need to pass a written test at a local DMV. Once you pass the test, the Tank endorsement is added to your CDL.
While North Carolina does not specifically require training or experience for a CDL Tank endorsement, it's highly recommended. Studying the Tank Vehicles section of the NC CDL manual is crucial. Training can provide practical knowledge and improve your chances of passing the written test at your local DMV, which is required to obtain the endorsement.
Yes, in North Carolina, you must pass an additional written test to obtain a CDL Tank endorsement. This test covers specific knowledge related to the safe loading, transit, and unloading of liquid and gaseous tank cargo. The material for this test is found in the Tank Vehicles section of the NC CDL manual.
The written test for the CDL Tank endorsement in North Carolina covers topics like inspecting tank vehicles, understanding weight distribution, how to safely drive tanks, handling high center of gravity, managing surge, safe loading and unloading, and handling leaks. These topics are detailed in the Tank Vehicles section of the NC CDL manual.
The CDL Tank endorsement assessment in North Carolina is mainly a written test focused on knowledge rather than specific driving maneuvers. It evaluates your understanding of inspecting tank vehicles, safe driving practices, handling high center of gravity, managing surge, and responding to emergencies. However, during the general CDL road test, you'll demonstrate practical skills like vehicle control and maneuvering.
Yes, drivers with a CDL Tank endorsement in North Carolina must adhere to specific regulations. They can't exceed the weight limit for the vehicle, must follow safety protocols for loading and unloading, and must take precautions to prevent surge. Also, they must report any leaks immediately and comply with hazardous materials regulations if applicable.
No, in North Carolina, a valid Commercial Driver's License (CDL) with a Tank endorsement is required to transport liquid or gas materials. This endorsement ensures that the driver has the necessary skills and knowledge to handle such materials safely and in compliance with state and federal laws.
Yes, a CDL Tank endorsement can be added to your existing CDL. It does not require a fresh application for a new CDL. However, you will need to pass the Tank Vehicle written test. After passing, the endorsement will be added to your current CDL, allowing you to legally operate tank vehicles.
Yes, in North Carolina, handling hazardous materials with a CDL Tank endorsement requires additional training and certification known as the Hazmat endorsement. Drivers must pass a written test on federal and state regulations and undergo a TSA background check. This ensures they are equipped to handle hazardous materials safely and responsibly.
