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.
43. When crossing railroad tracks, you should:
When crossing railroad tracks during the on-road driving skills test, you must not stop, switch gears, pass another vehicle, or change lanes while any part of your vehicle is in the crossing.
44. Hydraulic brakes can fail due to:
Failure of hydraulic brakes is often caused by a loss of hydraulic pressure. Hydraulic brakes may also fade because of overuse on a long downgrade.
45. When loading a trailer, weight should be:
Weight of cargo should be loaded into a trailer as low as possible. If the weight of cargo is positioned too high in a trailer, it will put the vehicle at risk of tipping over.
46. Roads are most slippery right after it begins to rain because:
Roads are particularly slippery when it first begins to rain. The water mixes with oil drippings on the road that have not yet washed away, creating a slippery and dangerous mixture.
47. When other vehicles have trouble seeing you at dawn or dusk, you can increase your visibility by:
At dawn or dusk, and in snowy or rainy conditions, you should turn on your headlights to make it easier for other road users to see your vehicle.
48. Where can you find the tire load rating?
A tire load rating is the maximum safe weight that can be carried by a tire at a specified pressure. This number is stated on the side of each tire.
49. Passive railroad crossings:
Railroad crossings that are not controlled by any type of traffic control device are known as passive crossings. The decision to proceed across tracks at a passive crossing is entirely up to the driver.
50. What is sleep debt?
You can build up a "debt" of sleep if you do not sleep for adequate amounts of time. You can only catch up on the time that you "owe" by getting more sleep.
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Frequently Asked Questions
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.
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.
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.
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).
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. 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. 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.
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.
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.
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.