Knowledge Test Class B #1
Class B Driving Test | North Carolina 2024 #1 Page 2 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 2024, 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.
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8 . A one-way check valve:
Holds the spring brakes in position until they are used.
A one-way check valve is required to be between an air compressor and the first main reservoir. This valve prevents air from escaping the system if the air compressor develops a leak.
9 . As part of the vehicle inspection test, you will be asked to:
Clean windows.
During the vehicle inspection test, you must touch or point to each item that you are checking and explain to the examiner what you are inspecting and why.
10 . When driving a vehicle equipped with an Anti-Lock Braking System (ABS), you should:
Brake with less force than you would in a vehicle not equipped with ABS.
When driving a tractor-trailer combination that is equipped with an Anti-Lock Braking System (ABS), you should brake in the same manner that you would if the vehicle was not equipped with ABS.
11 . If you are being tailgated, you should:
Allow the vehicle to pass.
If someone is tailgating you, it is a good idea to open up the space ahead of your vehicle to make it easier for the driver to pass you. Increasing your speed is not a good idea because the driver may continue to tailgate you at the higher speed, only increasing the danger.
12 . Placards should be used:
If the hazardous materials create an inhalation hazard.
Placards must be placed on the outside of vehicles carrying hazardous materials. They identify the specific class or classes of materials being carried and warn others of relevant hazards.
13 . Pressing and releasing a brake pedal unnecessarily can:
Create a loud noise.
In an air brake system, pressing and releasing the brake pedal unnecessarily can release air from the braking system faster than the compressor can replace it.
14 . How many daily hours of sleep does an adult need to maintain alertness?
Four to five
Being properly rested is essential to the safe operation of a CMV. To maintain alertness, most people need eight to nine hours of sleep per night.
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2024 North Carolina | Frequently Asked Questions
A CDL Class A license in North Carolina allows the holder to operate any combination of vehicles with a Gross Combination Weight Rating (GCWR) of 26,001 or more pounds, given the Gross Vehicle Weight Rating (GVWR) of the vehicle(s) being towed is over 10,000 pounds. This category typically includes tractor-trailers and truck and trailer combinations.
A Class A CDL (Commercial Driver's License) in North Carolina allows the holder to operate any combination of vehicles with a Gross Vehicle Weight Rating (GVWR) of 26,001 pounds or more, provided the GVWR of the vehicle(s) being towed exceeds 10,000 pounds. This typically includes tractor-trailers, truck and trailer combinations, tank vehicles, and livestock carriers.
To obtain a Class A CDL in North Carolina, you must be at least 18 years old (21 for interstate driving), have a valid North Carolina driver's license, pass a vision test, and obtain a commercial learner's permit by passing written knowledge tests. You'll also need to pass a skills test which includes a pre-trip vehicle inspection, a basic controls test, and a road test.
In North Carolina, you must be at least 18 years old to qualify for a Class A CDL license for intrastate driving (within the state). However, you need to be at least 21 years old if you plan to drive commercially across state lines (interstate driving) or carry hazardous materials.
Specific endorsements aren't required for a Class A CDL license, but they can provide additional driving privileges. For example, endorsements are available for double/triple trailers, tanker vehicles, passenger vehicles, and hazardous materials. Each endorsement requires passing a separate knowledge test and, in some cases, a skills test.
The Class A CDL skills test in North Carolina encompasses three main components: a pre-trip vehicle inspection to assess your ability to determine whether your vehicle is safe for the road, a basic controls test to evaluate your basic maneuvering skills, and a road test to validate your on-road driving ability, including left and right turns, intersections, railway crossings, and various types of roadways.
Yes, Class A CDL license holders in North Carolina may face limitations. These can include restrictions based on medical conditions, such as hearing or vision impairments, or restrictions to operating only automatic transmission vehicles. Additionally, drivers under the age of 21 are restricted to intrastate driving (within North Carolina) only.
In North Carolina, the written Class A CDL test is primarily administered in English, following federal regulations. However, accommodations may be made for applicants with limited English proficiency. It's recommended to contact the North Carolina Division of Motor Vehicles directly to inquire about any available language assistance or resources.
Yes, you can request accommodations for the Class A CDL written test in North Carolina if you have a disability. The North Carolina DMV complies with the Americans with Disabilities Act and offers reasonable accommodations to help individuals with disabilities. You should contact your local DMV office in advance to discuss your needs and arrange appropriate accommodations.
Yes, you can retake the Class A CDL written test in North Carolina if you fail on your first attempt. However, you must wait at least one day before attempting the test again. If you fail three times, you'll need to wait at least 60 days before retesting. Remember, each attempt may require a new testing fee.
