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.
15. The minimum size of placards identifying hazardous materials is:
Hazardous materials placards must be at least 10 and three-quarter inches square.
16. Hydroplaning:
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?
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:
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:
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:
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:
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.
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Frequently Asked Questions
To obtain a Class B CDL in Tennessee, you must pass a written knowledge test and a skills test. The written test covers general knowledge, air brakes (if applicable), and combination vehicles (if applicable). The skills test includes a pre-trip inspection, basic vehicle control, and on-road driving.
Additionally, you must meet certain qualifications to obtain a Class B CDL in Tennessee, such as being at least 18 years old (21 to drive across state lines or transport hazardous materials), having a valid Tennessee driver's license, and passing a medical examination to ensure you meet federal physical requirements for commercial drivers.
1. Single vehicles with a weight of 26,001 pounds or more
2. Vehicles that tow a trailer with a weight of fewer than 10,000 pounds
3. Buses designed to transport 16 or more passengers, including the driver
4. School buses designed to transport 11 or more passengers, including the driver
5. Straight trucks such as dump trucks, box trucks, and cement mixers
It's essential to note that if you want to operate vehicles that transport hazardous materials or drive across state lines, you are required to have additional endorsements on your CDL license. Additionally, some employers may require specific endorsements for the type of vehicle they operate.
1. Be at least 18 years old (21 years for interstate driving and hazardous materials endorsement)
2. Possess a valid Tennessee driver's license
3. Provide proof of citizenship or legal presence in the United States
4. Pass a Department of Transportation (DOT) medical examination and obtain a medical certificate
5. Pass a written knowledge test and obtain a learner's permit
6. Complete CDL training, if required by your employer or desired for additional learning
7. Pass a driving skills test that includes pre-trip inspection, basic vehicle control, and on-road driving
Additionally, you must not have any disqualifying criminal convictions or driving offenses that would prevent you from obtaining a CDL license in Tennessee. Once you meet these requirements, you can apply for your Class B CDL license at your local Tennessee Driver Services Center by submitting the required documents and paying the appropriate fees.
1. Passenger endorsement - required for drivers who plan to operate a vehicle designed to transport 16 or more passengers, including the driver.
2. School bus endorsement - required for drivers who plan to operate a school bus.
3. Tanker endorsement - 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 - required for drivers who plan to transport hazardous materials in amounts that require placards.
5. Double/triple trailer endorsement - required for drivers who plan to operate a combination of two or three trailers.
Keep in mind that each endorsement requires an additional knowledge test and may have additional requirements, such as background checks and fingerprinting. You should check with your local Tennessee Driver Services Center to determine which endorsements you need for your specific situation.
1. Pre-trip inspection: You will be asked to inspect your vehicle and identify any potential safety hazards or defects. You must check various parts of the vehicle, including the engine compartment, brakes, tires, suspension, and lights.
2. Basic vehicle control: You will be asked to perform various maneuvers that demonstrate your ability to control the vehicle in a safe manner. These maneuvers may include straight-line backing, offset backing, parallel parking, and alley docking.
3. On-road driving: You will be asked to drive the vehicle on public roads while demonstrating your ability to safely operate the vehicle in traffic. The examiner will be looking for your ability to follow traffic laws, use proper turning techniques, merge onto highways, change lanes safely, and communicate with other drivers.
In addition to passing the skills test, you must also pass a written knowledge test and a vision test to obtain a Class B CDL license in Tennessee.
1. Passenger restrictions: If you have a Class B CDL with a passenger endorsement, you may be restricted from transporting passengers in certain situations, such as during rush hour or on certain roads.
2. Air brake restrictions: If you took the skills test in a vehicle without air brakes, you will have an air brake restriction on your license. This means that you cannot operate a vehicle with air brakes until you pass the skills test in a vehicle equipped with air brakes.
3. Endorsement restrictions: If you did not pass the skills test for a specific endorsement, such as hazardous materials or tankers, you will not be able to operate vehicles that require that endorsement.
4. CDL downgrade: If you are convicted of certain types of traffic violations or crimes, your Class B CDL may be downgraded to a Class C license or suspended/revoked altogether.
It is important to note that these restrictions and limitations may vary depending on your specific situation and the type of vehicle(s) you plan to operate. Always check with your local Tennessee Driver Services Center for the most up-to-date information on restrictions and limitations related to your Class B CDL license.
To request accommodations, you will need to complete the Request for Reasonable Accommodation form, which is available on the Tennessee Department of Safety and Homeland Security website or at any Driver Services Center. The form must be completed by you and your healthcare provider, who must verify your disability and explain the specific accommodations you require.
Accommodations that may be provided include additional testing time, a separate testing area, a sign language interpreter, or a reader. The Department will review your request and determine which accommodations are appropriate based on your disability and the type of test you are taking.
It is important to note that you must submit your request for accommodations at least 10 business days before your scheduled test date to allow time for review and approval.
You will be provided with a score report that shows which questions you answered correctly and which questions you missed. This can help you identify areas where you need to study and improve your knowledge before retaking the test.
It is important to note that each time you retake the test, you will need to pay the testing fee again. To avoid paying multiple testing fees, it is highly recommended that you study and prepare thoroughly before taking the test.
If you fail the test multiple times and are having difficulty passing, it may be helpful to consider enrolling in a CDL training program or seeking additional study resources to improve your knowledge and skills.