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 four possible answer choices. Test questions come from the West Virginia Commercial Driver’s 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.
1. Poisonous fumes can enter the cab due to:
Defects in an exhaust system are very dangerous because they can cause poisonous fumes to enter the cab or sleeper berth.
2. For safety purposes, when should you turn off a retarder?
Retarders are mechanisms in some vehicles that help slow a vehicle and reduce the need for braking. However, using a retarder may cause wheels to skid when they have poor traction. Turn off retarders when traveling under wet, snowy, or icy conditions.
3. The parking brake should be:
The parking brake should be applied every time you park your vehicle.
4. Vehicles with dual air brake systems:
Before driving a vehicle with a dual air brake system, allow time for the air compressor to build up pressure of at least 100 psi in both the primary and secondary systems.
5. Most drivers are the least alert:
Fatigue and lack of alertness are major hazards when driving at night. Most people are the least alert at night, especially after midnight.
6. Water and compressor oil are usually found in the compressed air within an air brake system. Water and compressor oil:
Compressed air in an air brake system usually contains a certain amount of water and compressor oil. The water and oil can damage the brakes if left to accumulate in the system. Manually operated air tank drains must be opened daily to remove this build-up.
7. Air tank drains:
In an air brake system, the air tanks are equipped with drains that allow water and compressor oil to be removed from the system. If allowed to build up, water and compressor oil can damage an air brake system.
Ranked by best match
Frequently Asked Questions
1. Straight trucks (such as delivery trucks and dump trucks) that weigh 26,001 pounds or more
2. Large buses, including school buses and city buses
3. Segmented buses
4. Box trucks with attached trailers
5. Tractor-trailers (also known as semi-trucks)
6. Tow trucks with a GVWR of 26,001 pounds or more
It’s important to note that these vehicles may require additional endorsements depending on the cargo being transported or the type of equipment used on the vehicle.
1. Obtain a valid West Virginia driver's license.
2. Be at least 18 years of age for intrastate driving and 21 years of age for interstate driving.
3. Obtain a Department of Transportation (DOT) medical certificate by passing a physical exam from a certified medical examiner.
4. Pass the knowledge tests for the Class B CDL, which include the general knowledge test and any applicable endorsement tests (such as air brakes or passenger transport).
5. Obtain a learner's permit and hold it for at least 14 days before taking the skills test
6. Pass the skills test, which consists of three parts: pre-trip vehicle inspection, basic vehicle control, and on-road driving.
It’s important to note that additional requirements may apply depending on the type of cargo being transported or any endorsements required for certain vehicles. You should also be prepared to provide proof of identity, residency, and social security number when applying for a CDL.
It's important to note that some employers may have their own age requirements for CDL drivers, which may be higher than the state minimums. Additionally, certain types of CDL endorsements (such as hazardous materials) may also have a minimum age requirement of 21 years old, regardless of whether you are driving intrastate or interstate.
The following are the types of endorsements that may be required for a Class B CDL:
1. Air brakes endorsement: This endorsement is required if the vehicle you plan to operate has air brakes.
2. Passenger endorsement: This endorsement is required if you plan to operate a vehicle designed to transport 16 or more passengers, including the driver.
3. School bus endorsement: This endorsement is required if you plan to operate a school bus.
4. Tanker endorsement: This endorsement is required if you plan to transport liquid or gaseous materials in a tank that has a capacity of 1,000 gallons or more.
5. Hazardous materials (HazMat) endorsement: This endorsement is required if you plan to transport hazardous materials, as defined by federal law.
It's important to note that each endorsement requires passing a separate knowledge test, and some endorsements may also require additional background checks and fees.
1. Pre-trip inspection: You will be required to demonstrate your knowledge of the vehicle and its components by inspecting the vehicle and identifying any potential safety hazards.
2. Basic vehicle control: You will be asked to perform several maneuvers to demonstrate your ability to control the vehicle, such as straight-line backing, offset backing, and parallel parking.
3. On-road driving: You will be evaluated on your ability to safely operate the vehicle in normal traffic situations, including turns, intersections, lane changes, and merging.
During the skills test, you will be evaluated on your ability to perform each task safely and efficiently. You will need to demonstrate good judgment, control of the vehicle, and adherence to traffic laws and regulations.
It's important to note that the skills test must be conducted in a vehicle that is representative of the type of vehicle you plan to operate with your Class B CDL. Additionally, you must pass the skills test within 90 days of passing the knowledge test.
1. Vehicle type: Drivers with a Class B CDL are only authorized to operate single vehicles with a gross vehicle weight rating (GVWR) of 26,001 pounds or more, or a combination of vehicles with a GVWR of less than 26,001 pounds where the towed vehicle has a GVWR of less than 10,001 pounds.
2. Passenger transport: Drivers with a Class B CDL are not authorized to transport more than 16 passengers, including the driver.
3. Hazardous materials: Drivers with a Class B CDL are not authorized to transport hazardous materials that require placarding.
4. Air brakes: If the driver did not pass the air brakes knowledge test or skills test, or if the driver performs the skills test in a vehicle without air brakes, the driver will have an "L" restriction on their license that prohibits them from operating vehicles equipped with air brakes.
5. Medical certification: Drivers with a Class B CDL must have a valid medical certificate issued by a certified medical examiner. The certificate must be renewed every two years.
It's important to note that these restrictions and limitations may vary depending on the specific endorsements held by the driver. Additionally, violating any of these restrictions or limitations can result in fines, license suspension, or revocation.
To take the test in a language other than English, you will need to request an interpreter when you schedule your appointment for the written test. The interpreter must be approved by the DMV and may be provided by the DMV or may be a person of your choice.
It's important to note that even if you take the written test in a language other than English, you will still need to demonstrate your ability to read and understand road signs and signals in English. Additionally, the skills test for a Class B CDL must be conducted in English.
To request accommodations, you will need to fill out and submit a Request for Reasonable Accommodation form to the DMV. The form is available on the DMV's website or can be obtained by contacting the DMV directly.
Some of the accommodations that may be available include extended testing time, a separate testing room, a reader or scribe, or an interpreter. The DMV will review your request and determine what accommodations are appropriate based on your individual needs and the requirements of the test.
It's important to note that you will need to provide documentation of your disability and how it affects your ability to take the test in order to be eligible for accommodations. Additionally, you should submit your request for accommodation as early as possible to allow time for processing and scheduling of your testing appointment.
If you fail the written test, you will need to wait at least one day before you can retake it. If you fail the test three times, you will need to wait at least 30 days before you can take it again.
It's important to note that there is a fee for each attempt at the written test. If you fail the test multiple times, this can become costly. Therefore, it's a good idea to study and prepare thoroughly for the test before taking it.
If you are having difficulty passing the written test, there are resources available to help you prepare. The West Virginia DMV offers a Commercial Driver's License Manual that covers all of the topics on the Class B CDL written test. Additionally, there are third-party study materials and practice tests available online or in bookstores that can help you prepare for the test.