Combination #2
Combination Vehicles Practice Test | North Carolina 2025 #2 Page 2 of 4
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 2025, 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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7 . Pull out the trailer air supply control to test:
The landing gear.
Be sure to test the trailer emergency brakes before beginning a trip. After ensuring that the trailer rolls freely, you can test the emergency brakes by pulling out the trailer air supply control, or placing it in the "emergency" position. Pull forward slightly with the tractor and make sure the trailer does not move.
8 . Driving a combination vehicle ____ than driving a single vehicle.
Is safer in inclement weather
Driving a combination vehicle usually requires more skill than driving a single vehicle. Combination vehicles are generally longer and heavier than single commercial vehicles.
9 . When connecting a converter dolly to a second trailer, the trailer height should be ____ the center of the fifth wheel.
When connecting a converter dolly to a second or third trailer, the trailer height should correct. It should be slightly lower than the center of the fifth wheel.
10 . Simply changing lanes can cause:
Other drivers to reduce their speed.
Due to the "crack-the-whip" effect caused by rearward amplification, changing lanes too quickly in a combination vehicle can result in a rollover.
11 . Before a trip, you can make sure air flows to all trailers by:
Before a trip, ensure that air in the air brake system reaches all trailers. Do this by waiting for air pressure to build, then sending air to both the emergency and service lines and opening the shut-off valves on the rear of the last trailer. If air escapes from the shut-off valves in the rear of the combination, the air is being supplied to the entire vehicle.
12 . When uncoupling a trailer, landing gear should be:
Firmly on the ground.
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.
2025 North Carolina | Frequently Asked Questions
To acquire a CDL Hazmat endorsement in North Carolina, you need to first have a CDL license. Then, pass the Hazmat Knowledge Test at a DMV office. You also need to complete a federal security threat assessment, which includes fingerprinting and a background check. Lastly, pay the required fees. Keep in mind that requirements may vary slightly depending on specific circumstances.
To obtain a CDL Hazmat license in North Carolina, you must first possess a valid CDL. You must then pass a written Hazmat knowledge test and a TSA background check. You should also be able to read and speak English well enough to converse, understand traffic signs, respond to official inquiries, and make entries on reports and records.
When applying for a CDL Hazmat endorsement in North Carolina, you'll need your current CDL, proof of U.S. citizenship or permanent legal residency (like a passport or birth certificate), and social security card. You will also need to complete and pass a TSA background check and provide fingerprints. Lastly, you'll need to pass the Hazmat endorsement knowledge test.
Yes, there is a dedicated written test for obtaining the CDL Hazmat endorsement in North Carolina. This test assesses your knowledge of hazardous materials regulations, safety procedures, and emergency response techniques. You must pass this test in addition to the standard CDL written and skills tests to receive the Hazmat endorsement.
The written test for the CDL Hazmat endorsement covers a range of subjects. These include identifying hazardous materials, understanding shipping papers, using placards and labels, handling emergencies and incidents, loading and unloading hazardous materials, and safe driving practices. The test also covers federal and state regulations for transporting hazardous materials.
Yes, there are extra charges associated with acquiring a CDL Hazmat endorsement in North Carolina. In addition to the standard CDL fee, you'll need to pay for a TSA background check and fingerprinting services. The costs can vary, so it's best to check with your local DMV and TSA offices for the most accurate and up-to-date fees.
Yes, background checks are mandatory for the CDL Hazmat endorsement. The Transportation Security Administration (TSA) conducts a security threat assessment, which includes a criminal history records check and a review of specific databases to ensure the applicant doesn't pose a security threat. This process is essential to ensure the safety of hazardous material transportation.
Yes, specialized training is necessary for the CDL Hazmat endorsement in North Carolina. Applicants must pass a written test that covers hazardous materials regulations and safety procedures. In addition, they must undergo a TSA security threat assessment, which includes a background check and fingerprinting. The endorsement is not granted until all these requirements are met.
No, you cannot legally transport hazardous materials without a valid CDL Hazmat endorsement in North Carolina. The endorsement ensures that drivers understand the safety protocols and regulations for handling hazardous materials. Driving without the required endorsement can result in significant fines and penalties, including loss of your commercial driver's license.
Yes, you can add the CDL Hazmat endorsement to your current CDL license in North Carolina. You don't need to apply for a new license. However, you'll need to pass the Hazmat knowledge test, undergo a TSA background check, and pay the necessary fees to obtain the endorsement. Always check with your local DMV for the most accurate information.