Knowledge Test Class B #1
Class B Driving Test | North Carolina 2025 #1 Page 5 of 7
Train for FREE online with our North Carolina class B license 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 CDL class B permit 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 CDL class B requirements may vary from state to state.
50
40
20
29 . Areas of the road that are shaded:
Should always be avoided.
Because they are exposed to less sunlight, shaded patches of road will stay cooler longer than other areas of the road. Due to the lack of direct sunlight, shady areas can remain icy and slippery after ice on other areas of the road has melted.
30 . In a dual air brake system:
One system is the main braking system and a second system is ready to be used if the first one fails.
A dual air brake system is made up of two separate air brake systems. The systems share a single set of brake controls, but each has its own air tanks, hoses, and lines.
31 . If a truck is equipped, a trailer brake hand valve can be used to:
If a tractor-trailer is so equipped, the trailer brake hand valve can be used to stop the vehicle from rolling back when being started from a stop.
32 . What should you do if the braking system cannot build up hydraulic pressure?
If your hydraulic braking system will not build up the pressure needed to slow or stop your vehicle, there are a few possible solutions. Try shifting into a lower gear, pumping the brakes, and/or using the emergency brake.
33 . Broken suspension parts:
Are extremely dangerous.
The suspension system is responsible for supporting a vehicle, supporting its load, and keeping its axles in place. When inspecting your vehicle, check for damaged or missing spring hangers, spring leaves, shock absorbers, u-bolts, and frame members. Broken parts in the suspension system are extremely dangerous.
34 . Anti-Lock Braking Systems (ABS):
Are illegal in some states.
ABS is equipped in addition to a vehicle's normal braking system and it neither increases nor decreases the vehicle's braking capability. ABS activates during hard applications of the brake pedal in order to prevent wheels from locking up.
35 . As part of the vehicle inspection test, a CDL applicant may be asked to:
When checking the engine compartment during the vehicle inspection test, you will need to check the engine oil level.
Search the best driving school in your neighbourhood
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.
