Knowledge Test Class B
This license is required for driving a single vehicle with a GVWR of more than 26,001 pounds, and a trailer not to exceed 10,000 pounds gross vehicle weight rating, or a vehicle designed to transport 24 or more people (including the driver). To receive this license, applicants must pass a 50-question test. To pass, applicants must answer 40 questions correctly. Each question has three or four possible answer choices. Test questions come from the North Carolina Commercial Driver License Manual. Questions come from chapters covering: Introduction, Driving Safely, Transporting Cargo Safely, Air Brakes (if applicable), Pre-Trip Vehicle Inspection Test, Basic Vehicle Control Skills Test and On-Road Driving.. Endorsements that may be used with a Class B CDL are: Hazardous materials, Tank, Passenger, HazMat and Tank, Air Brakes and School bus.
Number of Question
Passing Score
43. If stopped on the road or shoulder, within 10 minutes, you must:
Explanation
If stopped on the side of the road, you must place emergency warning devices, such as reflective warning triangles, within 10 minutes of stopping.
44. While driving, a driver should:
Explanation
It is essential that you are aware of what is happening on all sides of your vehicle at all times. Scan the road ahead and make regular checks of the mirrors on both sides of your vehicle while you are driving.
45. When taking the basic control skills test, drivers are:
Explanation
During the basic vehicle control skills test, you must place the vehicle in neutral and set the parking brake before exiting the vehicle to check its position. You may check the position of the vehicle no more than twice, except during the straight line backing exercise, where you may look no more than once.
46. Before attempting to put out an engine fire:
Explanation
If you experience an engine fire, you should turn off the engine as soon as safely possible. Avoid opening the vehicle's hood when extinguishing the fire.
47. If you are confronted by an aggressive driver, you should:
Explanation
If confronted by an aggressive driver, the most important thing for you to do is get out of their way. Avoid making eye contact, do not challenge them by increasing your speed, and do not let yourself be provoked by any angry gestures they direct toward you.
48. Sometimes, when checking the automatic transmission fluid level:
Explanation
In some vehicles, you may have to leave the engine running to check the automatic transmission fluid level.
49. In a newer vehicle, you apply the parking brake:
Explanation
In a newer vehicle with air brakes, the parking brake is controlled by a diamond-shaped yellow knob. The knob is pulled out to apply the parking brakes and pushed in to release them.
50. During an applied leakage test, the maximum leakage rate for a triple combination vehicle is:
Explanation
It is important to know the maximum air loss rate that is safe for your specific vehicle. A triple combination should have a leakage rate no higher than 6 psi in a minute during an applied leakage test.
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Frequently Asked Questions
A Class B CDL (Commercial Driver’s License) in North Carolina allows drivers to operate a single vehicle with a weight of 26,001 pounds or more or any such vehicle towing a trailer with a weight of less than 10,000 pounds.
Here are the steps to obtain a Class B CDL in North Carolina:
1. Meet the eligibility requirements: To get a Class B CDL in North Carolina, you must be at least 18 years old, have a valid driver’s license, and pass a medical exam.
2. Obtain a Commercial Learner’s Permit (CLP): To apply for a CLP, you must pass the written knowledge test at your local DMV office. The test covers general knowledge and specific topics related to driving commercial vehicles.
3. Practice driving: Once you have your CLP, you can start practicing driving with someone who has a valid Class B CDL. You must complete at least 30 hours of behind-the-wheel training before taking the road test.
4. Pass the road test: When you’re ready to take the road test, schedule an appointment with your local DMV office. The test will assess your ability to control the vehicle, follow traffic laws, and perform various maneuvers.
5. Pay the fees: To obtain your Class B CDL in North Carolina, you must pay the required fees. These fees include application fees, testing fees, and license fees.
Remember that obtaining a Class B CDL requires more than just passing the tests; it also involves meeting certain medical and legal requirements and demonstrating your ability to safely operate commercial vehicles on North Carolina roads.
Here are the steps to obtain a Class B CDL in North Carolina:
1. Meet the eligibility requirements: To get a Class B CDL in North Carolina, you must be at least 18 years old, have a valid driver’s license, and pass a medical exam.
2. Obtain a Commercial Learner’s Permit (CLP): To apply for a CLP, you must pass the written knowledge test at your local DMV office. The test covers general knowledge and specific topics related to driving commercial vehicles.
3. Practice driving: Once you have your CLP, you can start practicing driving with someone who has a valid Class B CDL. You must complete at least 30 hours of behind-the-wheel training before taking the road test.
4. Pass the road test: When you’re ready to take the road test, schedule an appointment with your local DMV office. The test will assess your ability to control the vehicle, follow traffic laws, and perform various maneuvers.
5. Pay the fees: To obtain your Class B CDL in North Carolina, you must pay the required fees. These fees include application fees, testing fees, and license fees.
Remember that obtaining a Class B CDL requires more than just passing the tests; it also involves meeting certain medical and legal requirements and demonstrating your ability to safely operate commercial vehicles on North Carolina roads.
With a Class B CDL license in North Carolina, you are authorized to operate the following types of vehicles:
1. Single vehicles with a weight of 26,001 pounds or more.
2. Combination vehicles with a total weight of 26,001 pounds or more, provided that the weight of the towed vehicle(s) is less than 10,000 pounds.
3. Single or combination vehicles that are designed to transport 16 or more passengers (including the driver) or hazardous materials.
Examples of vehicles that you can operate with a Class B CDL license include:
- Straight trucks and box trucks
- Dump trucks and garbage trucks
- Buses (such as school buses and city buses)
- Delivery trucks with attached trailers (such as FedEx or UPS trucks)
- Tow trucks and cement mixers
It's important to note that there may be additional endorsements or restrictions required for certain types of vehicles or cargo, such as hazardous materials. Be sure to check with the North Carolina Department of Transportation for specific requirements related to your driving situation.
1. Single vehicles with a weight of 26,001 pounds or more.
2. Combination vehicles with a total weight of 26,001 pounds or more, provided that the weight of the towed vehicle(s) is less than 10,000 pounds.
3. Single or combination vehicles that are designed to transport 16 or more passengers (including the driver) or hazardous materials.
Examples of vehicles that you can operate with a Class B CDL license include:
- Straight trucks and box trucks
- Dump trucks and garbage trucks
- Buses (such as school buses and city buses)
- Delivery trucks with attached trailers (such as FedEx or UPS trucks)
- Tow trucks and cement mixers
It's important to note that there may be additional endorsements or restrictions required for certain types of vehicles or cargo, such as hazardous materials. Be sure to check with the North Carolina Department of Transportation for specific requirements related to your driving situation.
To obtain a Class B CDL (Commercial Driver’s License) in North Carolina, you must meet the following requirements:
1. Age: You must be at least 18 years old to obtain a Class B CDL in North Carolina. However, if you plan to drive across state lines or transport hazardous materials, you must be at least 21 years old.
2. Residency: You must be a resident of North Carolina or have a current physical presence in the state.
3. Valid driver’s license: You must hold a valid non-commercial driver’s license issued by North Carolina or another state.
4. Medical certification: You must pass a medical exam and obtain a medical certification from a licensed healthcare provider.
5. Knowledge tests: You must pass the written knowledge tests for the general knowledge and Class B CDL endorsement(s) that you need.
6. Skills test: You must pass a skills test that includes a pre-trip inspection, basic vehicle control, and on-road driving.
7. Background check: You must pass a background check that includes a review of your driving record and criminal history.
8. Fees: You must pay the required fees for your driver’s license and any endorsements that you need.
Note that additional requirements may apply if you plan to transport hazardous materials or operate certain types of vehicles, such as passenger buses or school buses.
1. Age: You must be at least 18 years old to obtain a Class B CDL in North Carolina. However, if you plan to drive across state lines or transport hazardous materials, you must be at least 21 years old.
2. Residency: You must be a resident of North Carolina or have a current physical presence in the state.
3. Valid driver’s license: You must hold a valid non-commercial driver’s license issued by North Carolina or another state.
4. Medical certification: You must pass a medical exam and obtain a medical certification from a licensed healthcare provider.
5. Knowledge tests: You must pass the written knowledge tests for the general knowledge and Class B CDL endorsement(s) that you need.
6. Skills test: You must pass a skills test that includes a pre-trip inspection, basic vehicle control, and on-road driving.
7. Background check: You must pass a background check that includes a review of your driving record and criminal history.
8. Fees: You must pay the required fees for your driver’s license and any endorsements that you need.
Note that additional requirements may apply if you plan to transport hazardous materials or operate certain types of vehicles, such as passenger buses or school buses.
The minimum age requirement for obtaining a Class B CDL (Commercial Driver's License) in North Carolina is 18 years old. However, there are some restrictions on the type of driving you can do if you are under 21 years of age.
If you are between 18 and 20 years old, you can only drive within North Carolina and cannot transport hazardous materials or operate a commercial motor vehicle that is designed to transport more than 15 passengers, including the driver. You also cannot drive a commercial motor vehicle outside of North Carolina, even if you are accompanied by a driver who is at least 21 years old and holds a valid CDL.
If you are 21 years or older, you can drive anywhere in the United States and transport hazardous materials or passengers.
It's important to note that some employers may have their own minimum age requirements for hiring CDL drivers, which may be higher than the state requirements.
If you are between 18 and 20 years old, you can only drive within North Carolina and cannot transport hazardous materials or operate a commercial motor vehicle that is designed to transport more than 15 passengers, including the driver. You also cannot drive a commercial motor vehicle outside of North Carolina, even if you are accompanied by a driver who is at least 21 years old and holds a valid CDL.
If you are 21 years or older, you can drive anywhere in the United States and transport hazardous materials or passengers.
It's important to note that some employers may have their own minimum age requirements for hiring CDL drivers, which may be higher than the state requirements.
Whether or not you need endorsements for a Class B CDL (Commercial Driver's License) in North Carolina depends on the type of vehicle you plan to operate and the cargo you plan to transport.
The following are the endorsements that you may need for a Class B CDL:
1. Passenger endorsement (P): This endorsement is required if you plan to operate a commercial motor vehicle that is designed to transport more than 15 passengers, including the driver.
2. School bus endorsement (S): This endorsement is required if you plan to operate a school bus with passengers.
3. Tank vehicle endorsement (N): This endorsement is required if you plan to operate a commercial motor vehicle that is designed to transport liquids or gases in bulk containers with a capacity of 1,000 gallons or more.
4. Hazardous materials endorsement (H): This endorsement is required if you plan to transport hazardous materials that require placards on the vehicle.
To obtain an endorsement, you must pass additional knowledge and skills tests related to the specific type of driving that you will be doing. The endorsements will be added to your Class B CDL license upon successful completion of the tests.
Note that some endorsements may have additional requirements, such as background checks and fingerprinting.
The following are the endorsements that you may need for a Class B CDL:
1. Passenger endorsement (P): This endorsement is required if you plan to operate a commercial motor vehicle that is designed to transport more than 15 passengers, including the driver.
2. School bus endorsement (S): This endorsement is required if you plan to operate a school bus with passengers.
3. Tank vehicle endorsement (N): This endorsement is required if you plan to operate a commercial motor vehicle that is designed to transport liquids or gases in bulk containers with a capacity of 1,000 gallons or more.
4. Hazardous materials endorsement (H): This endorsement is required if you plan to transport hazardous materials that require placards on the vehicle.
To obtain an endorsement, you must pass additional knowledge and skills tests related to the specific type of driving that you will be doing. The endorsements will be added to your Class B CDL license upon successful completion of the tests.
Note that some endorsements may have additional requirements, such as background checks and fingerprinting.
The Class B CDL (Commercial Driver's License) skills test in North Carolina is designed to evaluate your ability to safely operate a Class B commercial motor vehicle. The skills test consists of three parts:
1. Pre-trip inspection: You will be asked to inspect the vehicle and identify any potential safety defects or maintenance issues. You will need to demonstrate your knowledge of the vehicle's components and systems, such as brakes, steering, suspension, and lighting.
2. Basic vehicle control: You will need to demonstrate your ability to control the vehicle in various driving situations, such as backing up, turning, and parking. You will be evaluated on your ability to use the mirrors, signal properly, and maintain control of the vehicle.
3. On-road driving: You will need to demonstrate your ability to safely operate the commercial motor vehicle on public roads and highways. You will be evaluated on your ability to follow traffic laws and signs, make proper lane changes, merge onto highways, and handle various driving situations.
The skills test is conducted by a certified examiner who will evaluate your performance based on specific criteria outlined in the North Carolina CDL Manual. To pass the skills test and obtain your Class B CDL, you must perform each task safely and accurately according to the examiner's instructions.
It's important to note that you must have a valid Class B learner's permit for at least 14 days before you can take the skills test. Additionally, you must provide a properly equipped Class B commercial motor vehicle for the skills test.
1. Pre-trip inspection: You will be asked to inspect the vehicle and identify any potential safety defects or maintenance issues. You will need to demonstrate your knowledge of the vehicle's components and systems, such as brakes, steering, suspension, and lighting.
2. Basic vehicle control: You will need to demonstrate your ability to control the vehicle in various driving situations, such as backing up, turning, and parking. You will be evaluated on your ability to use the mirrors, signal properly, and maintain control of the vehicle.
3. On-road driving: You will need to demonstrate your ability to safely operate the commercial motor vehicle on public roads and highways. You will be evaluated on your ability to follow traffic laws and signs, make proper lane changes, merge onto highways, and handle various driving situations.
The skills test is conducted by a certified examiner who will evaluate your performance based on specific criteria outlined in the North Carolina CDL Manual. To pass the skills test and obtain your Class B CDL, you must perform each task safely and accurately according to the examiner's instructions.
It's important to note that you must have a valid Class B learner's permit for at least 14 days before you can take the skills test. Additionally, you must provide a properly equipped Class B commercial motor vehicle for the skills test.
Yes, there are certain restrictions and limitations for drivers with a Class B CDL (Commercial Driver's License) license in North Carolina. These restrictions are designed to promote safety and prevent accidents on the road.
The following are some of the common restrictions and limitations for Class B CDL drivers:
1. Vehicle weight: A Class B CDL holder is restricted to operating a commercial motor vehicle with a gross vehicle weight rating (GVWR) of 26,001 pounds or more. This includes vehicles towing a trailer with a GVWR of less than 10,000 pounds.
2. Passenger transport: If the driver has not obtained a passenger endorsement (P), they are not allowed to transport more than 15 passengers, including the driver.
3. Hazardous materials: If the driver has not obtained a hazardous materials endorsement (H), they are not allowed to transport hazardous materials.
4. Air brakes: If the driver has not obtained an air brake endorsement, they are restricted from operating vehicles equipped with air brakes.
5. Time of day: Some drivers may be restricted from driving during certain hours as part of their employment or based on state or federal regulations.
It's important to note that these restrictions may vary depending on the specific situation and type of vehicle being operated. It's essential for Class B CDL holders to understand their specific restrictions and limitations and comply with them at all times to ensure safety on the road.
The following are some of the common restrictions and limitations for Class B CDL drivers:
1. Vehicle weight: A Class B CDL holder is restricted to operating a commercial motor vehicle with a gross vehicle weight rating (GVWR) of 26,001 pounds or more. This includes vehicles towing a trailer with a GVWR of less than 10,000 pounds.
2. Passenger transport: If the driver has not obtained a passenger endorsement (P), they are not allowed to transport more than 15 passengers, including the driver.
3. Hazardous materials: If the driver has not obtained a hazardous materials endorsement (H), they are not allowed to transport hazardous materials.
4. Air brakes: If the driver has not obtained an air brake endorsement, they are restricted from operating vehicles equipped with air brakes.
5. Time of day: Some drivers may be restricted from driving during certain hours as part of their employment or based on state or federal regulations.
It's important to note that these restrictions may vary depending on the specific situation and type of vehicle being operated. It's essential for Class B CDL holders to understand their specific restrictions and limitations and comply with them at all times to ensure safety on the road.
No, in North Carolina, the Class B CDL (Commercial Driver's License) written test is only available in English. This is because the ability to read and understand English is critical for safe operation of a commercial motor vehicle on public roads and highways in the United States.
However, the North Carolina DMV does provide assistance to individuals who have difficulty with the English language. For example, you can request an interpreter to help you understand the questions on the written test.
Additionally, the North Carolina CDL Manual is available in different languages, including Spanish, French, and Korean. While you cannot take the actual written test in a language other than English, you can use these translated versions of the manual to help you prepare for the test and improve your understanding of commercial driving rules and regulations.
It's important to note that all other parts of the Class B CDL skills test, such as pre-trip inspection and on-road driving, must be conducted in English as well.
However, the North Carolina DMV does provide assistance to individuals who have difficulty with the English language. For example, you can request an interpreter to help you understand the questions on the written test.
Additionally, the North Carolina CDL Manual is available in different languages, including Spanish, French, and Korean. While you cannot take the actual written test in a language other than English, you can use these translated versions of the manual to help you prepare for the test and improve your understanding of commercial driving rules and regulations.
It's important to note that all other parts of the Class B CDL skills test, such as pre-trip inspection and on-road driving, must be conducted in English as well.
Yes, if you have a disability that may impact your ability to take the Class B CDL (Commercial Driver's License) written test, you can request accommodations. The North Carolina DMV is committed to providing equal access to all individuals, including those with disabilities.
To request accommodations, you must contact the North Carolina DMV Special Services Section at least 30 days before your scheduled test date. You will need to provide documentation of your disability and the specific accommodations you are requesting.
Some examples of accommodations that may be available include extended time for taking the test, a separate testing room, or the use of assistive technology such as a screen reader or magnification device.
It's important to note that accommodations are not guaranteed and are subject to approval by the DMV. Additionally, some accommodations may require additional fees.
If you have any questions or concerns about requesting accommodations for the Class B CDL written test, you can contact the North Carolina DMV Special Services Section at (919) 861-3332.
To request accommodations, you must contact the North Carolina DMV Special Services Section at least 30 days before your scheduled test date. You will need to provide documentation of your disability and the specific accommodations you are requesting.
Some examples of accommodations that may be available include extended time for taking the test, a separate testing room, or the use of assistive technology such as a screen reader or magnification device.
It's important to note that accommodations are not guaranteed and are subject to approval by the DMV. Additionally, some accommodations may require additional fees.
If you have any questions or concerns about requesting accommodations for the Class B CDL written test, you can contact the North Carolina DMV Special Services Section at (919) 861-3332.
Yes, if you fail the Class B CDL (Commercial Driver's License) written test, you can retake it. In North Carolina, you are allowed to take the written test up to three times within a 12-month period. If you fail the test three times, you will need to wait at least six months before you can take it again.
If you fail the written test, you will be given a score report that will show which questions you answered correctly and which ones you missed. This can help you identify areas where you need to study more before retaking the test.
You will need to pay a fee each time you take the written test, so it is important to be well-prepared before taking it. You can study for the Class B CDL written test by reviewing the North Carolina CDL Manual and taking practice tests.
If you pass the written test, you will then need to pass the other parts of the Class B CDL skills test, including a pre-trip inspection and an on-road driving test, in order to obtain your commercial driver's license.
If you fail the written test, you will be given a score report that will show which questions you answered correctly and which ones you missed. This can help you identify areas where you need to study more before retaking the test.
You will need to pay a fee each time you take the written test, so it is important to be well-prepared before taking it. You can study for the Class B CDL written test by reviewing the North Carolina CDL Manual and taking practice tests.
If you pass the written test, you will then need to pass the other parts of the Class B CDL skills test, including a pre-trip inspection and an on-road driving test, in order to obtain your commercial driver's license.
