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 possible answer choices. Test questions come from the Oklahoma 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
1. A Class 1 hazardous material is:
Explanation
Explosives are placed in hazardous materials Class 1.
2. Blocking is used to:
Explanation
Blocking may be used on all sides of a piece of cargo to keep it from sliding while the vehicle is in motion.
3. Alcohol is removed from the body:
Explanation
The liver removes alcohol from the body at a fixed rate. Despite popular belief, tricks like drinking coffee or taking a cold shower will not speed up the process. The only way to become sober is to allow your body the time it needs to remove the alcohol from your system.
4. Blocking is used to:
Explanation
Blocking is used in the front, in the back, and/or on the sides of a piece of cargo to keep it from sliding while the vehicle is in motion.
5. Rough acceleration:
Explanation
Rough acceleration can cause mechanical damage, so be sure to accelerate smoothly and gradually.
6. A thin layer of ice that forms on road surfaces is called:
Explanation
Black ice is a thin layer of ice that is clear enough for the road surface to be seen through it. A road covered in black ice may look like it is merely wet. You should be very careful when temperatures are below freezing and the road looks wet.
7. Cargo inside a trailer:
Explanation
Cargo inside a trailer must be secured appropriately to prevent it from shifting in transit.
Frequently Asked Questions
A Class B CDL (Commercial Driver's License) is a type of license that allows you to operate a single vehicle with a weight of 26,001 pounds or more, or a combination of vehicles with a total weight of 26,001 pounds or more but with the towed vehicle weighing less than 10,000 pounds.
In Oklahoma, obtaining a Class B CDL license requires several steps:
1. You must have a valid Oklahoma driver's license and be at least 18 years old.
2. You must pass a physical examination to ensure that you are physically capable of driving a commercial vehicle.
3. You must obtain a Commercial Learner's Permit (CLP) by passing the appropriate knowledge tests for the Class B license and any endorsements you may need (such as hazardous materials or passenger transport).
4. Practice driving with your CLP for at least 14 days before taking the skills test.
5. Schedule and pass the skills test, which consists of three parts: pre-trip inspection, basic vehicle control, and on-road driving.
6. Once you pass the skills test, you can obtain your Class B CDL license by paying the appropriate fees and providing proof of insurance.
It is important to note that additional endorsements may be required for specific types of commercial vehicles or cargo, such as school buses or hazardous materials.
In Oklahoma, obtaining a Class B CDL license requires several steps:
1. You must have a valid Oklahoma driver's license and be at least 18 years old.
2. You must pass a physical examination to ensure that you are physically capable of driving a commercial vehicle.
3. You must obtain a Commercial Learner's Permit (CLP) by passing the appropriate knowledge tests for the Class B license and any endorsements you may need (such as hazardous materials or passenger transport).
4. Practice driving with your CLP for at least 14 days before taking the skills test.
5. Schedule and pass the skills test, which consists of three parts: pre-trip inspection, basic vehicle control, and on-road driving.
6. Once you pass the skills test, you can obtain your Class B CDL license by paying the appropriate fees and providing proof of insurance.
It is important to note that additional endorsements may be required for specific types of commercial vehicles or cargo, such as school buses or hazardous materials.
With a Class B CDL license in Oklahoma, you are authorized to operate a single vehicle with a weight of 26,001 pounds or more, or a combination of vehicles with a total weight of 26,001 pounds or more.
Some examples of vehicles that you can operate with a Class B CDL license include:
- Large buses, such as school buses, city buses, and tour buses
- Straight trucks, such as delivery trucks and dump trucks
- Box trucks and other large delivery vehicles
- Tow trucks and other commercial vehicles used for hauling equipment
It is important to note that certain endorsements may be required to operate certain types of vehicles or cargo, such as hazardous materials or passenger transport.
Some examples of vehicles that you can operate with a Class B CDL license include:
- Large buses, such as school buses, city buses, and tour buses
- Straight trucks, such as delivery trucks and dump trucks
- Box trucks and other large delivery vehicles
- Tow trucks and other commercial vehicles used for hauling equipment
It is important to note that certain endorsements may be required to operate certain types of vehicles or cargo, such as hazardous materials or passenger transport.
To obtain a Class B CDL (Commercial Driver's License) license in Oklahoma, you must meet the following requirements:
1. Age: You must be at least 18 years old to obtain a Class B CDL, or 21 years old if you plan to drive across state lines or transport hazardous materials.
2. Valid driver's license: You must have a valid Oklahoma driver's license.
3. Physical examination: You must pass a physical examination to ensure that you are physically capable of driving a commercial vehicle.
4. Knowledge tests: You must pass the appropriate knowledge tests for the Class B license and any endorsements you may need (such as hazardous materials or passenger transport).
5. Commercial Learner's Permit (CLP): You must obtain a Commercial Learner's Permit by passing the knowledge tests for the Class B CDL and any required endorsements.
6. Skills test: You must pass a skills test that includes three parts: pre-trip inspection, basic vehicle control, and on-road driving.
7. Proof of insurance: You must provide proof of insurance for the vehicle you plan to operate.
It is important to note that additional endorsements may be required for specific types of commercial vehicles or cargo, such as school buses or hazardous materials.
1. Age: You must be at least 18 years old to obtain a Class B CDL, or 21 years old if you plan to drive across state lines or transport hazardous materials.
2. Valid driver's license: You must have a valid Oklahoma driver's license.
3. Physical examination: You must pass a physical examination to ensure that you are physically capable of driving a commercial vehicle.
4. Knowledge tests: You must pass the appropriate knowledge tests for the Class B license and any endorsements you may need (such as hazardous materials or passenger transport).
5. Commercial Learner's Permit (CLP): You must obtain a Commercial Learner's Permit by passing the knowledge tests for the Class B CDL and any required endorsements.
6. Skills test: You must pass a skills test that includes three parts: pre-trip inspection, basic vehicle control, and on-road driving.
7. Proof of insurance: You must provide proof of insurance for the vehicle you plan to operate.
It is important to note that additional endorsements may be required for specific types of commercial vehicles or cargo, such as school buses or hazardous materials.
The minimum age requirement for a Class B CDL (Commercial Driver's License) license in Oklahoma is 18 years old. However, if you plan to operate a commercial vehicle across state lines or transport hazardous materials, you must be at least 21 years old.
It's important to note that some employers may have their own age requirements for drivers, and they may also require additional training or experience beyond what is required by state law.
It's important to note that some employers may have their own age requirements for drivers, and they may also require additional training or experience beyond what is required by state law.
Yes, you may need endorsements for a Class B CDL (Commercial Driver's License) license, depending on the type of vehicle you plan to operate and the cargo you plan to transport.
Some common endorsements for Class B CDL drivers include:
1. Passenger endorsement (P): Required for drivers who will operate vehicles designed to transport 16 or more passengers, including the driver.
2. School bus endorsement (S): Required for drivers who will operate a school bus.
3. Tanker endorsement (N): Required for drivers who will transport liquid or gaseous materials in bulk containers with a capacity of 1,000 gallons or more.
4. Hazardous materials endorsement (H): Required for drivers who will transport hazardous materials, as defined by the Department of Transportation.
5. Doubles/triples endorsement (T): Required for drivers who will operate vehicles with two or three trailers attached.
You must pass the appropriate knowledge tests for each endorsement you need in addition to the Class B CDL knowledge tests. You may also need to pass additional skills tests if the endorsement requires it.
Some common endorsements for Class B CDL drivers include:
1. Passenger endorsement (P): Required for drivers who will operate vehicles designed to transport 16 or more passengers, including the driver.
2. School bus endorsement (S): Required for drivers who will operate a school bus.
3. Tanker endorsement (N): Required for drivers who will transport liquid or gaseous materials in bulk containers with a capacity of 1,000 gallons or more.
4. Hazardous materials endorsement (H): Required for drivers who will transport hazardous materials, as defined by the Department of Transportation.
5. Doubles/triples endorsement (T): Required for drivers who will operate vehicles with two or three trailers attached.
You must pass the appropriate knowledge tests for each endorsement you need in addition to the Class B CDL knowledge tests. You may also need to pass additional skills tests if the endorsement requires it.
The Class B CDL (Commercial Driver's License) skills test is designed to evaluate your ability to safely operate a Class B commercial vehicle and includes three parts:
1. Pre-trip inspection: You will be asked to perform a pre-trip inspection of your vehicle and point out any potential safety hazards or mechanical issues.
2. Basic vehicle control: You will be asked to demonstrate your ability to control the vehicle in various situations, such as backing up, turning, and parking.
3. On-road driving: You will be asked to demonstrate your ability to safely operate the commercial vehicle on public roads while following traffic laws and regulations.
During the skills test, you will be evaluated on various criteria, including your ability to control the vehicle, your knowledge of safety regulations, and your overall driving skills. It's important to practice and prepare for the skills test by reviewing the Oklahoma CDL manual, obtaining any necessary endorsements, and practicing your driving skills in a commercial vehicle.
1. Pre-trip inspection: You will be asked to perform a pre-trip inspection of your vehicle and point out any potential safety hazards or mechanical issues.
2. Basic vehicle control: You will be asked to demonstrate your ability to control the vehicle in various situations, such as backing up, turning, and parking.
3. On-road driving: You will be asked to demonstrate your ability to safely operate the commercial vehicle on public roads while following traffic laws and regulations.
During the skills test, you will be evaluated on various criteria, including your ability to control the vehicle, your knowledge of safety regulations, and your overall driving skills. It's important to practice and prepare for the skills test by reviewing the Oklahoma CDL manual, obtaining any necessary endorsements, and practicing your driving skills in a commercial vehicle.
Yes, there are some restrictions and limitations for drivers with a Class B CDL (Commercial Driver's License) license. Some of the common restrictions and limitations include:
1. Vehicle type: With a Class B CDL, you are licensed to operate a single vehicle 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.
2. Passenger transport: If you do not have a passenger endorsement, you are not allowed to transport more than 15 passengers (including the driver) in the vehicle.
3. Hazardous materials: If you do not have a hazardous materials endorsement, you are not allowed to transport hazardous materials that require placards.
4. Air brakes: If you do not have an air brake endorsement, you are not allowed to operate vehicles with air brakes.
5. Time of day: Some states may restrict the times of day that drivers with a Class B CDL can operate commercial vehicles or require additional endorsements for night driving.
It's important to understand and comply with any restrictions or limitations associated with your Class B CDL license to avoid penalties or fines and maintain your driving privileges.
1. Vehicle type: With a Class B CDL, you are licensed to operate a single vehicle 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.
2. Passenger transport: If you do not have a passenger endorsement, you are not allowed to transport more than 15 passengers (including the driver) in the vehicle.
3. Hazardous materials: If you do not have a hazardous materials endorsement, you are not allowed to transport hazardous materials that require placards.
4. Air brakes: If you do not have an air brake endorsement, you are not allowed to operate vehicles with air brakes.
5. Time of day: Some states may restrict the times of day that drivers with a Class B CDL can operate commercial vehicles or require additional endorsements for night driving.
It's important to understand and comply with any restrictions or limitations associated with your Class B CDL license to avoid penalties or fines and maintain your driving privileges.
In Oklahoma, the Class B CDL (Commercial Driver's License) written test is only available in English. The Oklahoma Department of Public Safety does not provide interpreters or translated versions of the test. Therefore, you must be able to read and comprehend English to take the test and obtain a Class B CDL.
However, you may be able to use an interpreter during the skills test portion of the CDL exam. The interpreter must be able to speak English and the language you prefer to use during the test. You will need to provide your own interpreter, and they will need to pass a screening process before they can assist you during the exam.
It's important to note that being able to read and understand English is critical for commercial driving safety as road signs, instructions, and other important information are provided in English in the United States.
However, you may be able to use an interpreter during the skills test portion of the CDL exam. The interpreter must be able to speak English and the language you prefer to use during the test. You will need to provide your own interpreter, and they will need to pass a screening process before they can assist you during the exam.
It's important to note that being able to read and understand English is critical for commercial driving safety as road signs, instructions, and other important information are provided in English in the United States.
Yes, if you have a disability that impacts your ability to take the Class B CDL (Commercial Driver's License) written test, you may request accommodations. The Oklahoma Department of Public Safety provides accommodations for individuals with disabilities in compliance with the Americans with Disabilities Act (ADA).
To request accommodations, you will need to fill out the Request for Accommodations form available on the Oklahoma Department of Public Safety website. You will need to provide documentation of your disability and how it impacts your ability to take the test. The documentation should come from a qualified professional such as a doctor, psychologist, or other healthcare provider.
Some examples of accommodations that may be provided include extended testing time, a private testing room, or a reader or scribe. The Department will review your request and determine what accommodations are appropriate based on your specific needs and the requirements of the CDL written exam.
It's important to note that you must request accommodations in advance of taking the test to allow sufficient time for processing.
To request accommodations, you will need to fill out the Request for Accommodations form available on the Oklahoma Department of Public Safety website. You will need to provide documentation of your disability and how it impacts your ability to take the test. The documentation should come from a qualified professional such as a doctor, psychologist, or other healthcare provider.
Some examples of accommodations that may be provided include extended testing time, a private testing room, or a reader or scribe. The Department will review your request and determine what accommodations are appropriate based on your specific needs and the requirements of the CDL written exam.
It's important to note that you must request accommodations in advance of taking the test to allow sufficient time for processing.
Yes, if you fail the Class B CDL (Commercial Driver's License) written test, you may retake the test. In Oklahoma, you are allowed to retake the written test up to three times within a 30-day period. If you fail the test three times, you will need to wait 30 days from the date of your last attempt before you can retake the test.
It's important to note that each time you take the written test, you will need to pay a fee. Therefore, it's a good idea to study and prepare thoroughly before taking the exam to increase your chances of passing on the first attempt.
If you do fail the written test, you will receive a report indicating which areas you need to improve upon. Use this information to focus your study efforts and improve your chances of passing on your next attempt.
It's important to note that each time you take the written test, you will need to pay a fee. Therefore, it's a good idea to study and prepare thoroughly before taking the exam to increase your chances of passing on the first attempt.
If you do fail the written test, you will receive a report indicating which areas you need to improve upon. Use this information to focus your study efforts and improve your chances of passing on your next attempt.
