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 ore more people (including the driver)t. To receive this license, applicants must pass a 50-question test. Each question has four answer choices. To pass, applicants must answer 40 questions correctly. Test questions come from the Texas Commercial Motor Vehicle Drivers Handbook. 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 B CDL are: Hazardous materials, Tank, Passenger, HazMat and Tank, Air Brakes and School bus.
Number of Question
Passing Score
8. During a vehicle inspection, ensure that the landing gear is:
Explanation
When inspecting a trailer during a vehicle inspection test, ensure that its landing gear has no missing parts and that it is fully raised. The crank handle should be secure and the support frame should not be damaged.
9. When inspecting a power steering-equipped vehicle, you should be sure that:
Explanation
When inspecting a vehicle equipped with power steering, check the hoses, pumps, and fluid level. Be sure to check for and repair leaks before operating the vehicle.
10. Friction inside a brake drum is caused when the brake shoes and linings:
Explanation
Friction inside a brake drum is caused when the brake shoes and linings push against the inside of the drum. The friction in the drums will slow and stop the vehicle.
11. How much water is needed on a road surface for a vehicle to hydroplane?
Explanation
Hydroplaning is an effect in which a vehicle's tires lose traction with the surface of the road and instead glide along a layer of water. There does not have to be much water on the road for this to occur.
12. If braking at a speed of 55 mph while driving on dry pavement, the brake lag can add ____ to your vehicle's total stopping distance.
Explanation
The total stopping distance for vehicles equipped with air brakes is made up of four factors: perception distance, reaction distance, brake lag distance, and braking distance. When braking at a speed of 55 mph while driving on dry pavement, the brake lag can add around 32 feet to a vehicle's total stopping distance.
13. Why are roads especially slippery right after it begins to rain?
Explanation
In rainy weather, roads are often at their most slippery when the rain first begins to fall. Fresh rainwater mixes with oil and grease on the road to form a slick film. As the rain continues, this mixture will eventually wash away.
14. How should you check your hydraulic brakes?
Explanation
To test hydraulic brakes, you should pump the brake pedal three times, then apply firm pressure to the brake pedal and hold for five seconds. The pedal should not move. If it does, there may be a leak.
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Frequently Asked Questions
A Class B CDL (Commercial Driver's License) is a type of license that allows a driver 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, towing a vehicle that weighs less than 10,000 pounds.
Here are the steps to obtain a Class B CDL license in Texas:
1. Meet the eligibility requirements: You must be at least 18 years old, have a valid Texas driver's license, and have no previous disqualifications from driving commercial vehicles.
2. Obtain a Commercial Learner's Permit (CLP): To obtain a CLP, you must pass the written knowledge test for the Class B CDL and any additional endorsements you may need (such as passenger or hazmat). You must also pass a medical exam and meet other federal and state requirements.
3. Practice driving with your CLP: You must practice driving with your CLP for at least 14 days before taking the skills test.
4. Schedule and pass the skills test: The skills test consists of three parts - pre-trip inspection, basic vehicle control, and on-road driving. You must pass all three parts to obtain your Class B CDL.
5. Pay the required fees: The fees for obtaining a Class B CDL in Texas vary depending on your age and other factors. You can find more information on the Texas Department of Public Safety website.
Once you have obtained your Class B CDL in Texas, you can operate vehicles such as large buses, dump trucks, and delivery trucks. Note that certain endorsements may be required for specific types of vehicles or cargo.
Here are the steps to obtain a Class B CDL license in Texas:
1. Meet the eligibility requirements: You must be at least 18 years old, have a valid Texas driver's license, and have no previous disqualifications from driving commercial vehicles.
2. Obtain a Commercial Learner's Permit (CLP): To obtain a CLP, you must pass the written knowledge test for the Class B CDL and any additional endorsements you may need (such as passenger or hazmat). You must also pass a medical exam and meet other federal and state requirements.
3. Practice driving with your CLP: You must practice driving with your CLP for at least 14 days before taking the skills test.
4. Schedule and pass the skills test: The skills test consists of three parts - pre-trip inspection, basic vehicle control, and on-road driving. You must pass all three parts to obtain your Class B CDL.
5. Pay the required fees: The fees for obtaining a Class B CDL in Texas vary depending on your age and other factors. You can find more information on the Texas Department of Public Safety website.
Once you have obtained your Class B CDL in Texas, you can operate vehicles such as large buses, dump trucks, and delivery trucks. Note that certain endorsements may be required for specific types of vehicles or cargo.
With a Class B Commercial Driver's License (CDL) in Texas, you can 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, towing a vehicle that weighs less than 10,000 pounds.
Some examples of vehicles you can operate with a Class B CDL license in Texas include:
- Straight trucks (e.g. delivery trucks, box trucks)
- Large buses (e.g. city buses, tour buses)
- Dump trucks
- Tow trucks
- Cement mixers
- Refrigerated trucks
It's important to note that certain endorsements may be required for specific types of vehicles or cargo. For example, if you want to transport hazardous materials or passengers, you will need to obtain additional endorsements on your CDL.
Some examples of vehicles you can operate with a Class B CDL license in Texas include:
- Straight trucks (e.g. delivery trucks, box trucks)
- Large buses (e.g. city buses, tour buses)
- Dump trucks
- Tow trucks
- Cement mixers
- Refrigerated trucks
It's important to note that certain endorsements may be required for specific types of vehicles or cargo. For example, if you want to transport hazardous materials or passengers, you will need to obtain additional endorsements on your CDL.
To obtain a Class B Commercial Driver's License (CDL) in Texas, you must meet certain requirements. Here are the requirements:
1. Age: You must be at least 18 years old to obtain a Class B CDL license in Texas. However, if you plan to transport hazardous materials, you must be at least 21 years old.
2. Hold a valid Texas driver's license: You must have a valid Texas driver's license to obtain a Class B CDL.
3. Pass a medical exam: You must pass a medical exam to ensure that you are physically qualified to operate a commercial vehicle.
4. Obtain a Commercial Learner's Permit (CLP): To obtain a CLP, you must pass the written knowledge test for the Class B CDL and any additional endorsements you may need (such as passenger or hazmat). You must also pass a medical exam and meet other federal and state requirements.
5. Practice driving with your CLP: You must practice driving with your CLP for at least 14 days before taking the skills test.
6. Pass the skills test: The skills test consists of three parts - pre-trip inspection, basic vehicle control, and on-road driving. You must pass all three parts to obtain your Class B CDL.
7. Pay the required fees: The fees for obtaining a Class B CDL in Texas vary depending on your age and other factors.
It's important to note that certain endorsements may be required for specific types of vehicles or cargo, such as hazardous materials or passenger transportation.
1. Age: You must be at least 18 years old to obtain a Class B CDL license in Texas. However, if you plan to transport hazardous materials, you must be at least 21 years old.
2. Hold a valid Texas driver's license: You must have a valid Texas driver's license to obtain a Class B CDL.
3. Pass a medical exam: You must pass a medical exam to ensure that you are physically qualified to operate a commercial vehicle.
4. Obtain a Commercial Learner's Permit (CLP): To obtain a CLP, you must pass the written knowledge test for the Class B CDL and any additional endorsements you may need (such as passenger or hazmat). You must also pass a medical exam and meet other federal and state requirements.
5. Practice driving with your CLP: You must practice driving with your CLP for at least 14 days before taking the skills test.
6. Pass the skills test: The skills test consists of three parts - pre-trip inspection, basic vehicle control, and on-road driving. You must pass all three parts to obtain your Class B CDL.
7. Pay the required fees: The fees for obtaining a Class B CDL in Texas vary depending on your age and other factors.
It's important to note that certain endorsements may be required for specific types of vehicles or cargo, such as hazardous materials or passenger transportation.
In Texas, the minimum age requirement for a Class B Commercial Driver's License (CDL) is 18 years old. However, there are some restrictions for drivers under 21 years old.
If you are between the ages of 18 and 20, you can only drive within the state of Texas and cannot transport hazardous materials. Additionally, you are not eligible for a passenger endorsement, which would allow you to transport passengers for hire.
If you are between the ages of 21 and 24, you can drive within Texas and also transport cargo across state lines, but you cannot transport hazardous materials.
If you are 21 years old or older, there are no restrictions on the types of vehicles or cargo you can transport with a Class B CDL in Texas. However, certain endorsements may have additional age requirements (e.g. hazmat endorsement requires a minimum age of 21).
If you are between the ages of 18 and 20, you can only drive within the state of Texas and cannot transport hazardous materials. Additionally, you are not eligible for a passenger endorsement, which would allow you to transport passengers for hire.
If you are between the ages of 21 and 24, you can drive within Texas and also transport cargo across state lines, but you cannot transport hazardous materials.
If you are 21 years old or older, there are no restrictions on the types of vehicles or cargo you can transport with a Class B CDL in Texas. However, certain endorsements may have additional age requirements (e.g. hazmat endorsement requires a minimum age of 21).
It depends on the type of vehicle you plan to operate and the type of cargo you plan to transport. In Texas, there are several endorsements that can be added to a Class B Commercial Driver's License (CDL), including:
1. Passenger endorsement: Required to operate a vehicle designed to transport 16 or more passengers (including the driver).
2. School bus endorsement: Required to operate a school bus designed to transport 16 or more passengers (including the driver).
3. Tanker endorsement: Required to transport liquids or gases in a tank that has a capacity of 1,000 gallons or more.
4. Hazardous materials (Hazmat) endorsement: Required to transport hazardous materials in amounts that require placards.
5. Combination tanker and Hazmat endorsement: Required to transport both hazardous materials and liquids or gases in a tank that has a capacity of 1,000 gallons or more.
To obtain any of these endorsements, you must pass additional written exams and meet other requirements, such as background checks and additional training or certification.
1. Passenger endorsement: Required to operate a vehicle designed to transport 16 or more passengers (including the driver).
2. School bus endorsement: Required to operate a school bus designed to transport 16 or more passengers (including the driver).
3. Tanker endorsement: Required to transport liquids or gases in a tank that has a capacity of 1,000 gallons or more.
4. Hazardous materials (Hazmat) endorsement: Required to transport hazardous materials in amounts that require placards.
5. Combination tanker and Hazmat endorsement: Required to transport both hazardous materials and liquids or gases in a tank that has a capacity of 1,000 gallons or more.
To obtain any of these endorsements, you must pass additional written exams and meet other requirements, such as background checks and additional training or certification.
The Class B CDL skills test in Texas consists of three parts: pre-trip inspection, basic vehicle control, and on-road driving.
1. Pre-trip inspection: You will be asked to inspect the vehicle to make sure it is safe to drive. You will need to identify and explain the function of various parts and systems of the vehicle, such as brakes, lights, tires, and steering.
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 drive the vehicle on public roads while following the instructions of the examiner. The purpose of this part is to evaluate your ability to safely operate the vehicle in traffic.
During the skills test, you will be evaluated on your ability to perform each task safely and correctly. If you make a critical error or violate a traffic law, you may fail the test.
It's important to note that you must have a valid Texas Class B instruction permit before taking the skills test. Additionally, you must provide a vehicle that meets all the requirements for a Class B CDL and have proof of insurance for that vehicle.
1. Pre-trip inspection: You will be asked to inspect the vehicle to make sure it is safe to drive. You will need to identify and explain the function of various parts and systems of the vehicle, such as brakes, lights, tires, and steering.
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 drive the vehicle on public roads while following the instructions of the examiner. The purpose of this part is to evaluate your ability to safely operate the vehicle in traffic.
During the skills test, you will be evaluated on your ability to perform each task safely and correctly. If you make a critical error or violate a traffic law, you may fail the test.
It's important to note that you must have a valid Texas Class B instruction permit before taking the skills test. Additionally, you must provide a vehicle that meets all the requirements for a Class B CDL and have proof of insurance for that vehicle.
Yes, there are some restrictions and limitations for drivers with a Class B CDL license in Texas, including:
1. Vehicle weight: A Class B CDL allows you to operate a single vehicle with a weight of 26,001 pounds or more. However, if you are towing a vehicle with a weight of 10,000 pounds or less, the combined weight of the two vehicles cannot exceed 26,001 pounds.
2. Passenger limits: If you have a passenger endorsement on your Class B CDL, you can transport up to 16 passengers (including the driver). If you have a school bus endorsement, you can transport more than 16 passengers.
3. Hazardous materials: If you have a Hazmat endorsement on your Class B CDL, there may be additional restrictions on the types and amounts of hazardous materials you can transport.
4. Interstate vs intrastate: A Class B CDL may be valid for both interstate and intrastate commerce, but there may be additional requirements for drivers who operate across state lines.
5. Medical certification: You must have a valid medical certification to operate a commercial motor vehicle (CMV) with a Class B CDL. Depending on your age and other factors, this certification may need to be renewed every one or two years.
It's important to know and follow all restrictions and limitations that apply to your Class B CDL license in order to avoid fines or other penalties.
1. Vehicle weight: A Class B CDL allows you to operate a single vehicle with a weight of 26,001 pounds or more. However, if you are towing a vehicle with a weight of 10,000 pounds or less, the combined weight of the two vehicles cannot exceed 26,001 pounds.
2. Passenger limits: If you have a passenger endorsement on your Class B CDL, you can transport up to 16 passengers (including the driver). If you have a school bus endorsement, you can transport more than 16 passengers.
3. Hazardous materials: If you have a Hazmat endorsement on your Class B CDL, there may be additional restrictions on the types and amounts of hazardous materials you can transport.
4. Interstate vs intrastate: A Class B CDL may be valid for both interstate and intrastate commerce, but there may be additional requirements for drivers who operate across state lines.
5. Medical certification: You must have a valid medical certification to operate a commercial motor vehicle (CMV) with a Class B CDL. Depending on your age and other factors, this certification may need to be renewed every one or two years.
It's important to know and follow all restrictions and limitations that apply to your Class B CDL license in order to avoid fines or other penalties.
In Texas, the Class B CDL written test is available in English and Spanish. If you prefer to take the test in Spanish, you can request a Spanish version at your local driver license office.
It's important to note that the skills test, which involves driving a commercial vehicle, is only available in English. Additionally, if you plan to operate a commercial vehicle outside of Texas, you may need to take the test in English in order to comply with federal regulations.
If you have any questions or concerns about taking the Class B CDL written test in a language other than English, you can contact your local driver license office or visit the Texas Department of Public Safety website for more information.
It's important to note that the skills test, which involves driving a commercial vehicle, is only available in English. Additionally, if you plan to operate a commercial vehicle outside of Texas, you may need to take the test in English in order to comply with federal regulations.
If you have any questions or concerns about taking the Class B CDL written test in a language other than English, you can contact your local driver license office or visit the Texas Department of Public Safety website for more information.
Yes, you can request accommodations for the Class B CDL written test if you have a disability that would impede your ability to take the test under normal conditions. The Texas Department of Public Safety (DPS) provides reasonable accommodations for individuals with disabilities, in compliance with the Americans with Disabilities Act (ADA).
To request accommodations, you will need to complete a Request for Reasonable Accommodations form and submit it to the DPS. The form is available on the DPS website or by contacting your local driver license office. You will need to provide documentation of your disability and specify the accommodations you are requesting.
Some examples of possible accommodations for the Class B CDL written test include:
- Extended testing time
- A separate testing area
- A reader or scribe
- Assistive technology or special equipment
The DPS will review your request and determine whether your requested accommodations are reasonable and appropriate. It's important to submit your request as early as possible, since it may take several weeks for the DPS to review and approve your request.
If you have any questions or concerns about requesting accommodations for the Class B CDL written test, you can contact your local driver license office or visit the Texas Department of Public Safety website for more information.
To request accommodations, you will need to complete a Request for Reasonable Accommodations form and submit it to the DPS. The form is available on the DPS website or by contacting your local driver license office. You will need to provide documentation of your disability and specify the accommodations you are requesting.
Some examples of possible accommodations for the Class B CDL written test include:
- Extended testing time
- A separate testing area
- A reader or scribe
- Assistive technology or special equipment
The DPS will review your request and determine whether your requested accommodations are reasonable and appropriate. It's important to submit your request as early as possible, since it may take several weeks for the DPS to review and approve your request.
If you have any questions or concerns about requesting accommodations for the Class B CDL written test, you can contact your local driver license office or visit the Texas Department of Public Safety website for more information.
If you fail the Class B CDL written test in Texas, you can retake the test as soon as the next business day. However, you will need to pay another testing fee each time you take the test.
It's important to note that there is a limit to how many times you can take the test in a given period. According to Texas Department of Public Safety (DPS) policy, you are allowed a maximum of three attempts to pass the written test within a 90-day period. If you fail three times within this period, you will need to wait 90 days from the date of your last attempt before you can take the test again.
If you are having difficulty passing the Class B CDL written test, it may be helpful to study the Texas Commercial Motor Vehicle Drivers Handbook and take practice tests to improve your understanding of the material. You can also consider enrolling in a commercial driver's license training program to receive more comprehensive instruction and practice.
If you have any questions or concerns about retaking the Class B CDL written test in Texas, you can contact your local driver license office or visit the Texas Department of Public Safety website for more information.
It's important to note that there is a limit to how many times you can take the test in a given period. According to Texas Department of Public Safety (DPS) policy, you are allowed a maximum of three attempts to pass the written test within a 90-day period. If you fail three times within this period, you will need to wait 90 days from the date of your last attempt before you can take the test again.
If you are having difficulty passing the Class B CDL written test, it may be helpful to study the Texas Commercial Motor Vehicle Drivers Handbook and take practice tests to improve your understanding of the material. You can also consider enrolling in a commercial driver's license training program to receive more comprehensive instruction and practice.
If you have any questions or concerns about retaking the Class B CDL written test in Texas, you can contact your local driver license office or visit the Texas Department of Public Safety website for more information.
