Knowledge Test Class A
This license is required for driving any legal combination of vehicles, with a gross combination weight rating of 26,001 pounds or more, provided the GVWR of a trailer exceeds 10,000 pounds. To receive this license, applicants must pass a 50-question test. Test questions come from the North Carolina Commercial Driver License Manual. To pass, applicants must answer 40 questions correctly. Each question has three or four possible answer choices. Questions come from chapters covering: Introduction, Driving Safely, Transporting Cargo Safely, Air Brakes (if applicable), Combination Vehicles, Pre-Trip Vehicle Inspection Test, Basic Vehicle Control Skills Test and On-Road Driving. Endorsements that may be used with a Class A CDL are: Hazardous materials, Tank, Passenger, Doubles/Triples, HazMat, Tank, Air Brakes and School bus.
Number of Question
Passing Score
43. With the exception of the straight line backing exercise, a driver may exit their vehicle and check its position during testing exercises up to:
Explanation
A driver is allowed to exit their vehicle to check its position during any basic vehicle control skills test exercise. This action is called a "look." During the straight line backing exercise, a driver may not exceed one look. During any other exercise, a driver may not exceed two looks.
44. When traveling down a downgrade, the speed of a vehicle will likely:
Explanation
The force of gravity will cause a vehicle's speed to increase when traveling downhill.
45. A header board is used to:
Explanation
Front-end header boards, also known as "headache racks," protect drivers from moving cargo in the event of a crash or emergency stop.
46. If the safety relief valve in an air brake system is releasing air:
Explanation
The safety relief valve in an air brake system releases air if necessary to prevent pressure in the system from becoming too high. If the valve starts releasing air, there is something wrong. Have a mechanic fix the problem.
47. The ____ between an air compressor and reservoir tank prevents air from escaping if the air compressor has a leak.
Explanation
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.
48. During a static leakage test, the maximum leakage rate for a triple combination vehicle with air brakes is ____ in a minute.
Explanation
When performing a static leakage test on a triple combination vehicle with air brakes, the leakage rate should be no more than 5 psi in one minute. If air leaks from the air brake system at a quicker rate, the vehicle should not be driven because something likely needs to be repaired.
49. The minimum acceptable tread depth for rear tires is:
Explanation
When inspecting your tires, verify that there is at least 4/32 of an inch of tread depth in every major groove on the front tires, and tread depth of at least 2/32 of an inch on the other tires. Tires on the same vehicle should all be the same size.
50. When entering a foggy area, you should:
Explanation
Always slow down before entering a foggy area. Use low beam headlights, avoid passing others, and avoid stopping on the side of the roadway. It is safest to completely avoid driving under foggy conditions, if possible.
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Frequently Asked Questions
A Class A Commercial Driver's License (CDL) in North Carolina allows drivers to operate a combination of vehicles with a gross combination weight rating (GCWR) of 26,001 pounds or more, provided the vehicle being towed weighs more than 10,000 pounds. This includes tractor-trailer combinations, truck and trailer combinations, and other large commercial vehicles.
To obtain a Class A CDL in North Carolina, you must pass a series of written knowledge tests and on-road skills tests. You must also meet certain age and medical requirements, have a valid North Carolina driver's license and provide proof of residency.
Here are the general steps to obtain a Class A CDL in North Carolina:
1. Obtain a North Carolina Commercial Learner's Permit (CLP) by passing the required written knowledge tests.
2. Hold the CLP for at least 14 days before taking the skills test.
3. Schedule and pass the required on-road skills test.
4. Provide proof of citizenship or legal presence, identity, Social Security number, and residency.
5. Pass a Department of Transportation (DOT) medical examination.
6. Pay the required fees.
7. Receive your Class A CDL from the North Carolina Division of Motor Vehicles (NCDMV).
It is important to note that obtaining a Class A CDL also requires additional endorsements depending on the type of vehicle you plan to operate, such as Hazardous Materials (H), Tanker (T), or Double/Triple Trailers (X).
To obtain a Class A CDL in North Carolina, you must pass a series of written knowledge tests and on-road skills tests. You must also meet certain age and medical requirements, have a valid North Carolina driver's license and provide proof of residency.
Here are the general steps to obtain a Class A CDL in North Carolina:
1. Obtain a North Carolina Commercial Learner's Permit (CLP) by passing the required written knowledge tests.
2. Hold the CLP for at least 14 days before taking the skills test.
3. Schedule and pass the required on-road skills test.
4. Provide proof of citizenship or legal presence, identity, Social Security number, and residency.
5. Pass a Department of Transportation (DOT) medical examination.
6. Pay the required fees.
7. Receive your Class A CDL from the North Carolina Division of Motor Vehicles (NCDMV).
It is important to note that obtaining a Class A CDL also requires additional endorsements depending on the type of vehicle you plan to operate, such as Hazardous Materials (H), Tanker (T), or Double/Triple Trailers (X).
With a Class A Commercial Driver's License (CDL) in North Carolina, you can operate a combination of vehicles with a gross combination weight rating (GCWR) of 26,001 pounds or more, provided the vehicle being towed weighs more than 10,000 pounds. This includes tractor-trailer combinations, truck and trailer combinations, and other large commercial vehicles.
Here are some examples of vehicles that you can operate with a Class A CDL:
1. Tractor-trailers: This includes a combination of a tractor and one or more trailers, with a total weight of 26,001 pounds or more.
2. Tanker trucks: These are vehicles designed to transport liquids or gases in bulk.
3. Livestock carriers: These are vehicles used to transport live animals such as cattle, horses and pigs.
4. Flatbed trucks: These are open-air trucks that are used to transport heavy equipment, construction materials, and other large items that cannot fit inside a closed trailer.
5. Refrigerated trucks: These are vehicles equipped with temperature-controlled compartments for transporting perishable goods such as food and medicine.
6. Dump trucks: These are vehicles with an open bed that can be tilted to unload materials such as sand, gravel, and dirt.
It is important to note that you need additional endorsements to operate certain types of vehicles such as hazardous materials (H), double/triple trailers (T) or passenger transport (P).
Here are some examples of vehicles that you can operate with a Class A CDL:
1. Tractor-trailers: This includes a combination of a tractor and one or more trailers, with a total weight of 26,001 pounds or more.
2. Tanker trucks: These are vehicles designed to transport liquids or gases in bulk.
3. Livestock carriers: These are vehicles used to transport live animals such as cattle, horses and pigs.
4. Flatbed trucks: These are open-air trucks that are used to transport heavy equipment, construction materials, and other large items that cannot fit inside a closed trailer.
5. Refrigerated trucks: These are vehicles equipped with temperature-controlled compartments for transporting perishable goods such as food and medicine.
6. Dump trucks: These are vehicles with an open bed that can be tilted to unload materials such as sand, gravel, and dirt.
It is important to note that you need additional endorsements to operate certain types of vehicles such as hazardous materials (H), double/triple trailers (T) or passenger transport (P).
To obtain a Class A Commercial Driver's License (CDL) in North Carolina, you must meet the following requirements:
1. Age requirement: You must be at least 18 years old to operate a commercial vehicle within North Carolina's state lines, and at least 21 years old to operate a commercial vehicle across state lines.
2. Hold a valid North Carolina driver's license: You must hold a valid North Carolina driver's license.
3. Obtain a Commercial Learner's Permit (CLP): You must pass the written knowledge test(s) required for the CLP. The CLP is valid for 180 days and must be held for at least 14 days before taking the skills test.
4. Medical requirements: You must pass a Department of Transportation (DOT) medical examination to obtain your CDL. The medical examination must be performed by a licensed medical examiner listed on the National Registry of Certified Medical Examiners.
5. Provide proof of citizenship or legal presence, identity, Social Security number, and residency: You must provide proof of these documents when applying for your CDL.
6. Pass the skills test: After holding your CLP for at least 14 days, you must pass the on-road skills test which includes a pre-trip inspection, basic control skills, and an on-road test.
7. Pay the required fees: You will have to pay certain fees when applying for your CDL.
It is important to note that obtaining a Class A CDL also requires additional endorsements depending on the type of vehicle you plan to operate, such as Hazardous Materials (H), Tanker (T), or Double/Triple Trailers (X).
1. Age requirement: You must be at least 18 years old to operate a commercial vehicle within North Carolina's state lines, and at least 21 years old to operate a commercial vehicle across state lines.
2. Hold a valid North Carolina driver's license: You must hold a valid North Carolina driver's license.
3. Obtain a Commercial Learner's Permit (CLP): You must pass the written knowledge test(s) required for the CLP. The CLP is valid for 180 days and must be held for at least 14 days before taking the skills test.
4. Medical requirements: You must pass a Department of Transportation (DOT) medical examination to obtain your CDL. The medical examination must be performed by a licensed medical examiner listed on the National Registry of Certified Medical Examiners.
5. Provide proof of citizenship or legal presence, identity, Social Security number, and residency: You must provide proof of these documents when applying for your CDL.
6. Pass the skills test: After holding your CLP for at least 14 days, you must pass the on-road skills test which includes a pre-trip inspection, basic control skills, and an on-road test.
7. Pay the required fees: You will have to pay certain fees when applying for your CDL.
It is important to note that obtaining a Class A CDL also requires additional endorsements depending on the type of vehicle you plan to operate, such as Hazardous Materials (H), Tanker (T), or Double/Triple Trailers (X).
The minimum age requirement for a Class A Commercial Driver's License (CDL) in North Carolina is 18 years old. However, drivers who are 18-20 years old are only eligible for intrastate commerce (within the state of North Carolina) and cannot operate commercial vehicles across state lines. Drivers who are at least 21 years old can operate commercial vehicles across state lines and are eligible for interstate commerce.
It is important to note that certain endorsements for a CDL, such as Hazardous Materials (H), require the driver to be at least 21 years old, regardless of whether the driver is operating in intrastate or interstate commerce.
It is important to note that certain endorsements for a CDL, such as Hazardous Materials (H), require the driver to be at least 21 years old, regardless of whether the driver is operating in intrastate or interstate commerce.
The endorsements required for a Class A Commercial Driver's License (CDL) in North Carolina depend on the type of vehicle and cargo you plan to operate. Some of the endorsements available for a Class A CDL are:
1. T - Double/Triple Trailers: This endorsement is required for drivers who will be operating double or triple trailers.
2. P - Passenger: This endorsement is required for drivers who will be operating a vehicle designed to transport 16 or more passengers, including the driver.
3. N - Tank Vehicle: This endorsement is required for drivers who will be operating a vehicle used to transport liquids or gases in bulk containers with a capacity of 1,000 gallons or more.
4. H - Hazardous Materials: This endorsement is required for drivers who will be transporting hazardous materials as defined by federal law.
5. X - Combination of Tank Vehicle and Hazardous Materials: This endorsement is required for drivers who will be transporting both hazardous materials and liquids or gases in bulk containers with a capacity of 1,000 gallons or more.
It is important to note that not all employers require drivers to have endorsements, but having them can increase your job opportunities and earning potential.
1. T - Double/Triple Trailers: This endorsement is required for drivers who will be operating double or triple trailers.
2. P - Passenger: This endorsement is required for drivers who will be operating a vehicle designed to transport 16 or more passengers, including the driver.
3. N - Tank Vehicle: This endorsement is required for drivers who will be operating a vehicle used to transport liquids or gases in bulk containers with a capacity of 1,000 gallons or more.
4. H - Hazardous Materials: This endorsement is required for drivers who will be transporting hazardous materials as defined by federal law.
5. X - Combination of Tank Vehicle and Hazardous Materials: This endorsement is required for drivers who will be transporting both hazardous materials and liquids or gases in bulk containers with a capacity of 1,000 gallons or more.
It is important to note that not all employers require drivers to have endorsements, but having them can increase your job opportunities and earning potential.
The Class A Commercial Driver's License (CDL) skills test in North Carolina consists of three parts:
1. Pre-Trip Inspection: This is a thorough inspection of the vehicle before you start driving. You will need to show the examiner that you can check the vehicle's safety and operation, including tires, lights, brakes, steering, suspension, and other components.
2. Basic Vehicle Control Skills Test: This test measures your ability to control the vehicle in a variety of situations. You will need to demonstrate your ability to perform maneuvers such as backing up, turning in a tight space, and parking.
3. Road Test: This test measures your ability to safely operate the vehicle on public roads. You will need to demonstrate your ability to drive defensively, make proper lane changes, merge with traffic, and navigate intersections.
The skills test is conducted by a certified examiner and must be completed in a vehicle that is representative of the type of vehicle you intend to operate with your CDL. It is important to prepare for the skills test by practicing with a qualified instructor or mentor and studying the North Carolina CDL manual thoroughly.
1. Pre-Trip Inspection: This is a thorough inspection of the vehicle before you start driving. You will need to show the examiner that you can check the vehicle's safety and operation, including tires, lights, brakes, steering, suspension, and other components.
2. Basic Vehicle Control Skills Test: This test measures your ability to control the vehicle in a variety of situations. You will need to demonstrate your ability to perform maneuvers such as backing up, turning in a tight space, and parking.
3. Road Test: This test measures your ability to safely operate the vehicle on public roads. You will need to demonstrate your ability to drive defensively, make proper lane changes, merge with traffic, and navigate intersections.
The skills test is conducted by a certified examiner and must be completed in a vehicle that is representative of the type of vehicle you intend to operate with your CDL. It is important to prepare for the skills test by practicing with a qualified instructor or mentor and studying the North Carolina CDL manual thoroughly.
Yes, there are certain restrictions and limitations for drivers with a Class A Commercial Driver's License (CDL) in North Carolina. Here are some examples:
1. Endorsements: If you do not have the required endorsements for the type of vehicle and cargo you will be transporting, there may be restrictions on what you can haul.
2. Weight Limits: Depending on the weight of the vehicle and cargo, there may be restrictions on where you can drive, such as bridges or certain roads.
3. Hours of Service: Federal regulations limit the number of hours a driver can operate a commercial vehicle in a day and week. You must comply with these regulations to avoid potential fines and penalties.
4. Medical Requirements: You must meet certain medical requirements to maintain your CDL, including passing a physical examination conducted by a certified medical examiner.
5. Alcohol and Drug Use: You are subject to random drug and alcohol testing, and any violation can result in suspension or revocation of your CDL.
It is important to understand and comply with all restrictions and limitations related to your CDL to ensure safety on the road and avoid potential penalties.
1. Endorsements: If you do not have the required endorsements for the type of vehicle and cargo you will be transporting, there may be restrictions on what you can haul.
2. Weight Limits: Depending on the weight of the vehicle and cargo, there may be restrictions on where you can drive, such as bridges or certain roads.
3. Hours of Service: Federal regulations limit the number of hours a driver can operate a commercial vehicle in a day and week. You must comply with these regulations to avoid potential fines and penalties.
4. Medical Requirements: You must meet certain medical requirements to maintain your CDL, including passing a physical examination conducted by a certified medical examiner.
5. Alcohol and Drug Use: You are subject to random drug and alcohol testing, and any violation can result in suspension or revocation of your CDL.
It is important to understand and comply with all restrictions and limitations related to your CDL to ensure safety on the road and avoid potential penalties.
No, in North Carolina, the Class A Commercial Driver's License (CDL) written test is only available in English. All applicants must be able to read and understand English to pass the test. This is because English is the language used on road signs, traffic signals, and other important safety information that CDL drivers need to know in order to safely operate a commercial vehicle. However, if you need assistance with reading or understanding the questions due to a disability or limited English proficiency, you may be allowed to use an interpreter or receive other accommodations during the test. It is important to contact the North Carolina Division of Motor Vehicles (DMV) ahead of time to discuss any accommodations you may need and to ensure that they are approved before taking the test.
Yes, if you have a disability that affects your ability to take the Class A Commercial Driver's License (CDL) written test in North Carolina, you may request accommodations to help you take the test. The North Carolina Division of Motor Vehicles (DMV) provides accommodations for individuals with disabilities under the Americans with Disabilities Act (ADA). Examples of accommodations that may be available include:
- Extended time to take the test
- A separate testing room
- Large-print or Braille test materials
- Assistance from a reader or sign language interpreter
To request accommodations, you must submit a request to the North Carolina DMV at least 30 days before your scheduled testing date. You will need to provide documentation of your disability and how it affects your ability to take the test. The DMV will review your request and determine what accommodations are appropriate based on your needs and their resources. It is important to contact the DMV as soon as possible to discuss your needs and ensure that your request is properly processed.
- Extended time to take the test
- A separate testing room
- Large-print or Braille test materials
- Assistance from a reader or sign language interpreter
To request accommodations, you must submit a request to the North Carolina DMV at least 30 days before your scheduled testing date. You will need to provide documentation of your disability and how it affects your ability to take the test. The DMV will review your request and determine what accommodations are appropriate based on your needs and their resources. It is important to contact the DMV as soon as possible to discuss your needs and ensure that your request is properly processed.
If you fail the Class A Commercial Driver's License (CDL) written test in North Carolina, you will need to wait at least one business day to retake the test. You will need to pay a fee to take the test again, and you may retake the test as many times as you need until you pass. However, if you fail the test three times, you will need to wait at least 30 days before retaking the test again. It is important to study and prepare thoroughly for the test before taking it to increase your chances of passing on your first attempt. The North Carolina DMV provides a Commercial Driver's License Manual that can help you prepare for the written test. Additionally, there are many online resources and commercial study guides available that can help you study for the exam.
