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.
8. Failing to drain the tanks in an air brake system can result in:
In an air brake system, the air storage tanks must be drained to remove accumulated water and compressor oil. Failing to do this can cause damage. For example, water that has built up in the system could freeze in cold weather and cause brake failure.
9. Federal and state laws require:
Commercial drivers are required by federal and state laws to inspect their vehicles before every trip. Regular inspections can help drivers identify issues before they become dangerous and costly.
10. During a basic vehicle control skills test, what is considered an encroachment?
An encroachment during the basic vehicle control skills test is when an exercise boundary line is touched or crossed by any portion of the applicant's vehicle. Every encroachment will be counted as an error.
11. When taking the on-road driving skills test, you will be evaluated on your gear usage. You should not:
During the on-road driving skills test, you will be evaluated on your gear usage. Select a gear that does not rev or lug the engine; avoid grinding and clashing gears; and avoid shifting through turns or intersections.
12. When approaching your vehicle, you should ensure that:
When approaching your vehicle before an inspection, make note of its general condition and ensure that it is not damaged or leaning. Look under the vehicle for fresh leaks. Check around the vehicle for hazards to movement, such as people, other vehicles, or low-hanging wires or tree limbs.
13. Which of the following is not an example of a driver who might be a hazard?
Drivers with blocked vision may pose hazards to others on the road. Examples of such drivers include those who haven't scraped ice off of their windshields; those driving vehicles loaded with large items blocking the windows; and those who are driving rental trucks without being used to the limited rear visibility of a truck.
14. When starting a vehicle, the coolant temperature gauge should:
Keep an eye on the gauges after starting the engine. The coolant temperature gauge should begin a gradual rise to the normal operating range.
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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.