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 or four possible answer choices. Test questions come from the 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
15. The minimum size of placards identifying hazardous materials is:
Explanation
Hazardous materials placards must be at least 10 and three-quarter inches square.
16. Hydroplaning:
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 a large amount of water on the road for this to occur.
17. Which of the following is most likely to result in hydroplaning?
Explanation
Hydroplaning is most likely to occur on wet roads if tire pressure is low or if tire tread is worn. If there is enough water on the road, hydroplaning can occur at speeds as low as 30 mph.
18. When it is difficult to see other vehicles, such as at dawn or dusk, you should:
Explanation
When driving at dawn, at dusk, or in inclement weather, you should use your headlights on their low beam setting to increase your visibility.
19. Rust around wheel nuts may mean:
Explanation
Rust around wheel nuts can indicate that the nuts are loose. If you find rust near the wheel nuts, check their tightness before beginning to drive.
20. Always perform the steps of a pre-trip inspection in the same order each time because:
Explanation
Completing the steps of a vehicle inspection in the same order before every trip aids in learning what the proper steps are. Additionally, you be less likely to forget a step when going through the checklist in a prescribed order.
21. In low temperatures, bridges usually freeze:
Explanation
In low temperatures, bridges usually freeze before other road surfaces. When driving in cold weather, especially when weather conditions have been wet, use special caution on bridges and overpasses.
Frequently Asked Questions
A Class B Commercial Driver's License (CDL) in Tennessee 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 less than 26,001 pounds. Here are the steps to obtain a Class B CDL in Tennessee:
1. Obtain and review the Tennessee Commercial Driver License Manual.
2. Pass a DOT physical examination and obtain a medical certificate.
3. Obtain a Commercial Learner’s Permit (CLP) by passing the knowledge tests for the Class B CDL.
4. Hold your CLP for at least 14 days before taking the skills test.
5. Schedule and pass the skills test at a Tennessee Department of Safety and Homeland Security approved testing location.
6. Pay the appropriate fees and obtain your Class B CDL from the Tennessee Department of Safety and Homeland Security.
It is important to note that additional endorsements may be required for certain types of vehicles or cargo, such as hazardous materials or passenger transport.
1. Obtain and review the Tennessee Commercial Driver License Manual.
2. Pass a DOT physical examination and obtain a medical certificate.
3. Obtain a Commercial Learner’s Permit (CLP) by passing the knowledge tests for the Class B CDL.
4. Hold your CLP for at least 14 days before taking the skills test.
5. Schedule and pass the skills test at a Tennessee Department of Safety and Homeland Security approved testing location.
6. Pay the appropriate fees and obtain your Class B CDL from the Tennessee Department of Safety and Homeland Security.
It is important to note that additional endorsements may be required for certain types of vehicles or cargo, such as hazardous materials or passenger transport.
With a Class B CDL license in Tennessee, you can operate single vehicles with a weight of 26,001 pounds or more or a combination of vehicles with a total weight of less than 26,001 pounds. Here are some examples of vehicles you can operate with a Class B CDL:
- Straight trucks and box trucks
- Dump trucks
- Large buses (such as school buses and city transit buses)
- Tow trucks with a heavy tow rating
- Cement mixers and other heavy construction vehicles
- Motorhomes and RVs over 26,000 pounds
However, it is important to note that certain types of vehicles or cargo may require additional endorsements on your CDL. For example, if you want to transport hazardous materials, you will need to obtain a Hazardous Materials (HAZMAT) endorsement on your CDL.
- Straight trucks and box trucks
- Dump trucks
- Large buses (such as school buses and city transit buses)
- Tow trucks with a heavy tow rating
- Cement mixers and other heavy construction vehicles
- Motorhomes and RVs over 26,000 pounds
However, it is important to note that certain types of vehicles or cargo may require additional endorsements on your CDL. For example, if you want to transport hazardous materials, you will need to obtain a Hazardous Materials (HAZMAT) endorsement on your CDL.
To obtain a Class B Commercial Driver's License (CDL) license in Tennessee, you must meet the following requirements:
1. Be at least 18 years old (21 years old if you plan to drive across state lines or transport hazardous materials).
2. Hold a valid Tennessee driver's license.
3. Pass a DOT physical examination and obtain a medical certificate.
4. Provide proof of your legal presence in the United States, such as a birth certificate or passport.
5. Provide your Social Security Number.
6. Obtain a Commercial Learner’s Permit (CLP) by passing the knowledge tests for the Class B CDL.
7. Hold your CLP for at least 14 days before taking the skills test.
8. Schedule and pass the skills test at a Tennessee Department of Safety and Homeland Security approved testing location.
9. Pay the appropriate fees and obtain your Class B CDL from the Tennessee Department of Safety and Homeland Security.
It is important to note that additional endorsements may be required for certain types of vehicles or cargo, such as hazardous materials or passenger transport, and that you must pass both knowledge and skills tests to obtain your Class B CDL.
1. Be at least 18 years old (21 years old if you plan to drive across state lines or transport hazardous materials).
2. Hold a valid Tennessee driver's license.
3. Pass a DOT physical examination and obtain a medical certificate.
4. Provide proof of your legal presence in the United States, such as a birth certificate or passport.
5. Provide your Social Security Number.
6. Obtain a Commercial Learner’s Permit (CLP) by passing the knowledge tests for the Class B CDL.
7. Hold your CLP for at least 14 days before taking the skills test.
8. Schedule and pass the skills test at a Tennessee Department of Safety and Homeland Security approved testing location.
9. Pay the appropriate fees and obtain your Class B CDL from the Tennessee Department of Safety and Homeland Security.
It is important to note that additional endorsements may be required for certain types of vehicles or cargo, such as hazardous materials or passenger transport, and that you must pass both knowledge and skills tests to obtain your Class B CDL.
In Tennessee, the minimum age requirement for a Class B Commercial Driver's License (CDL) license is 18 years old. However, this only applies to drivers who will be operating within the state of Tennessee and not transporting hazardous materials.
If you plan to transport hazardous materials or drive across state lines, you must be at least 21 years old to obtain a Class B CDL. Additionally, some employers may have their own age requirements that exceed the state minimum.
If you plan to transport hazardous materials or drive across state lines, you must be at least 21 years old to obtain a Class B CDL. Additionally, some employers may have their own age requirements that exceed the state minimum.
You may need additional endorsements for a Class B Commercial Driver's License (CDL) license depending on the type of vehicle or cargo you plan to transport. The following endorsements are available:
1. Passenger endorsement (P) - required for drivers who plan to transport more than 15 passengers, including the driver.
2. School bus endorsement (S) - required for drivers who plan to operate a school bus that transports passengers to and from school or school-related activities.
3. Tanker endorsement (N) - required for drivers who plan to transport liquids or gases in bulk containers with a capacity of 1,000 gallons or more.
4. Hazardous materials endorsement (H) - required for drivers who plan to transport hazardous materials, as defined by the Federal Motor Carrier Safety Administration (FMCSA).
To obtain these endorsements, you must pass additional knowledge tests and meet other requirements, such as background checks and fingerprinting. It is important to note that some employers may also have their own endorsement requirements that exceed the state minimum.
1. Passenger endorsement (P) - required for drivers who plan to transport more than 15 passengers, including the driver.
2. School bus endorsement (S) - required for drivers who plan to operate a school bus that transports passengers to and from school or school-related activities.
3. Tanker endorsement (N) - required for drivers who plan to transport liquids or gases in bulk containers with a capacity of 1,000 gallons or more.
4. Hazardous materials endorsement (H) - required for drivers who plan to transport hazardous materials, as defined by the Federal Motor Carrier Safety Administration (FMCSA).
To obtain these endorsements, you must pass additional knowledge tests and meet other requirements, such as background checks and fingerprinting. It is important to note that some employers may also have their own endorsement requirements that exceed the state minimum.
The Class B Commercial Driver's License (CDL) skills test in Tennessee includes three parts, which are:
1. Pre-trip inspection - You will be required to perform a thorough inspection of your vehicle and demonstrate your knowledge of the vehicle’s components and safety features.
2. Basic vehicle control - You will be tested on your ability to control the vehicle in a closed course environment. This includes maneuvers such as straight-line backing, offset backing, and parallel parking.
3. Road test - You will be evaluated on your ability to safely operate the vehicle on public roads and highways. This includes starting, stopping, turning, merging, changing lanes, and other general driving skills.
During the test, you will be evaluated by a certified CDL examiner who will score you based on your performance. To pass the skills test, you must score at least 80% on each part of the test.
It is important to note that the specific requirements and scoring criteria may vary depending on the type of vehicle or endorsement you are testing for.
1. Pre-trip inspection - You will be required to perform a thorough inspection of your vehicle and demonstrate your knowledge of the vehicle’s components and safety features.
2. Basic vehicle control - You will be tested on your ability to control the vehicle in a closed course environment. This includes maneuvers such as straight-line backing, offset backing, and parallel parking.
3. Road test - You will be evaluated on your ability to safely operate the vehicle on public roads and highways. This includes starting, stopping, turning, merging, changing lanes, and other general driving skills.
During the test, you will be evaluated by a certified CDL examiner who will score you based on your performance. To pass the skills test, you must score at least 80% on each part of the test.
It is important to note that the specific requirements and scoring criteria may vary depending on the type of vehicle or endorsement you are testing for.
Yes, there are restrictions or limitations for drivers with a Class B Commercial Driver's License (CDL) in Tennessee. Some of the common restrictions include:
1. Air brake restriction - If you take the skills test in a vehicle without air brakes, you will have an “L” restriction on your license that prohibits you from operating a vehicle with air brakes.
2. Passenger restriction - If you did not take the skills test with a passenger vehicle, you will have a “P” restriction on your license that prohibits you from operating a vehicle designed to transport 16 or more passengers.
3. School bus restriction - If you did not take the skills test with a school bus, you will have an “S” restriction on your license that prohibits you from operating a school bus.
4. Endorsement restrictions - If you did not pass the necessary endorsement tests, such as the hazardous materials or tanker endorsement tests, you will not be able to operate vehicles with those endorsements.
It is important to note that employers may also have their own restrictions or requirements for drivers beyond what is required by the state. Therefore, it is important to check with your employer and understand any additional restrictions or requirements that may apply to your specific job.
1. Air brake restriction - If you take the skills test in a vehicle without air brakes, you will have an “L” restriction on your license that prohibits you from operating a vehicle with air brakes.
2. Passenger restriction - If you did not take the skills test with a passenger vehicle, you will have a “P” restriction on your license that prohibits you from operating a vehicle designed to transport 16 or more passengers.
3. School bus restriction - If you did not take the skills test with a school bus, you will have an “S” restriction on your license that prohibits you from operating a school bus.
4. Endorsement restrictions - If you did not pass the necessary endorsement tests, such as the hazardous materials or tanker endorsement tests, you will not be able to operate vehicles with those endorsements.
It is important to note that employers may also have their own restrictions or requirements for drivers beyond what is required by the state. Therefore, it is important to check with your employer and understand any additional restrictions or requirements that may apply to your specific job.
Yes, in Tennessee, you can take the Class B Commercial Driver's License (CDL) written test in a language other than English. However, it is important to note that the Tennessee Department of Safety and Homeland Security only provides the written test in certain languages, which are Spanish, Arabic, Burmese, Kurdish, Nepali, Somali, and Vietnamese.
If you prefer to take the written test in a language other than English, you must bring someone to interpret for you. The interpreter must be fluent in both English and the language you are testing in. The interpreter cannot be a CDL holder or employee of the Tennessee Department of Safety and Homeland Security.
It is also important to note that the skills test must be taken in English. So, if you pass the written test in a language other than English and want to obtain a Class B CDL license, you will need to pass the skills test in English.
If you prefer to take the written test in a language other than English, you must bring someone to interpret for you. The interpreter must be fluent in both English and the language you are testing in. The interpreter cannot be a CDL holder or employee of the Tennessee Department of Safety and Homeland Security.
It is also important to note that the skills test must be taken in English. So, if you pass the written test in a language other than English and want to obtain a Class B CDL license, you will need to pass the skills test in English.
Yes, if you have a disability that requires accommodations to take the Class B Commercial Driver's License (CDL) written test, you can request accommodations from the Tennessee Department of Safety and Homeland Security.
To request accommodations, you will need to fill out the Request for Reasonable Accommodations form and submit it to the Tennessee Department of Safety and Homeland Security at least 30 days before your scheduled test date. The form can be found on the Tennessee Department of Safety and Homeland Security website.
The form asks for information about your disability and the specific accommodations you are requesting. Examples of accommodations that may be provided include extended time on the test, a reader or scribe, or a separate testing room.
Once your request is received, the Tennessee Department of Safety and Homeland Security will review it and determine if the requested accommodations are reasonable and appropriate. If your request is approved, they will work with you to schedule a test date that accommodates your needs.
To request accommodations, you will need to fill out the Request for Reasonable Accommodations form and submit it to the Tennessee Department of Safety and Homeland Security at least 30 days before your scheduled test date. The form can be found on the Tennessee Department of Safety and Homeland Security website.
The form asks for information about your disability and the specific accommodations you are requesting. Examples of accommodations that may be provided include extended time on the test, a reader or scribe, or a separate testing room.
Once your request is received, the Tennessee Department of Safety and Homeland Security will review it and determine if the requested accommodations are reasonable and appropriate. If your request is approved, they will work with you to schedule a test date that accommodates your needs.
Yes, if you fail the Class B Commercial Driver's License (CDL) written test in Tennessee, you can retake the test. However, there are certain requirements and limitations to keep in mind.
First, you must wait at least one day before retaking the test. If you fail the test three times, you must wait at least 30 days before retaking it again.
Second, you will need to pay a fee each time you take the test. As of 2021, the fee for a CDL written test is $25.
Third, it is important to review the material and study before retaking the test. You may want to consider taking a CDL practice test or reviewing the CDL manual to better prepare for the exam.
Lastly, keep in mind that passing the written test is only one step in obtaining a Class B CDL license. You will also need to pass a skills test that includes a pre-trip inspection, basic control skills test, and road skills test.
First, you must wait at least one day before retaking the test. If you fail the test three times, you must wait at least 30 days before retaking it again.
Second, you will need to pay a fee each time you take the test. As of 2021, the fee for a CDL written test is $25.
Third, it is important to review the material and study before retaking the test. You may want to consider taking a CDL practice test or reviewing the CDL manual to better prepare for the exam.
Lastly, keep in mind that passing the written test is only one step in obtaining a Class B CDL license. You will also need to pass a skills test that includes a pre-trip inspection, basic control skills test, and road skills test.
