Knowledge Test Class B #1
Class B Driving Test | Tennessee 2025 #1 Page 6 of 7
Train for FREE online with our Tennessee class B license test. The official exam test consists of several obligatory parts, with all of them checking your knowledge of different blocks of road rules. If you need to obtain a TN CDL class B permit in 2025, practice as much as possible. Free sample tests published on our website will help you check and improve your knowledge and boost your grades. Please bear in mind that CDL class B requirements may vary from state to state.
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36 . Poor weight balance:
Poorly balanced loads can lead to unsafe handling. It is important to properly distribute the weight of cargo when loading a vehicle.
37 . What does an Anti-Lock Braking System (ABS) do?
Alert other motorists when you are braking
The purpose of an Anti-Lock Braking System (ABS) is to prevent a vehicle's wheels from locking up when the driver brakes hard on a slippery surface.
38 . Most heavy trucks with manual transmissions require ____ to change gears.
Quadruple clutching
Most heavy vehicles with manual transmissions require double clutching to shift gears. Learning to effectively change gears by double clutching takes practice.
39 . If someone pulls out in front of you and you cannot stop to avoid a crash, you should:
Accelerate.
If another vehicle pulls out in front of you, it is appropriate to brake as long as there is room for your vehicle to stop while you are using the appropriate braking technique. However, if you do not have room to stop, swerving may be a safer response.
40 . What is road rage?
Aggressive driving is defined as operating a motor vehicle in a selfish, bold, or pushy manner. Road rage is defined as operating a motor vehicle with the intent of doing harm to others, or the intent of physically assaulting another driver or their vehicle.
41 . Backing with a trailer is dangerous because:
There may be extra weight in the front of the trailer.
Backing up is always dangerous because it is impossible to see everything behind your vehicle. If you must drive in reverse, use a helper, if possible.
42 . What is Gross Combination Weight?
Gross Combination Weight (GCW) is the total weight of a powered unit, its trailer(s), and the cargo being carried.
2025 Tennessee | Frequently Asked Questions
To secure a CDL Doubles/Triples endorsement in Tennessee, you must already have a Commercial Driver’s License (CDL). You will need to pass the Doubles/Triples Knowledge test. Study the relevant section in the TN CDL manual before taking the test. Once you pass, the endorsement will be added to your CDL.
To obtain a CDL Doubles/Triples license, you must have a valid Commercial Driver’s License (CDL). You'll also need to pass the Doubles/Triples Knowledge test. This test covers the specific skills and knowledge needed to safely operate such vehicles. Studying the relevant sections of your state's CDL manual will help you prepare for this test.
While you don't necessarily need specialized experience or training to get a CDL Doubles/Triples endorsement, it's highly recommended. You must pass the Doubles/Triples Knowledge test, so studying the relevant sections of your state's CDL manual is crucial. Some choose to attend a CDL training school for hands-on experience before taking the test.
Yes, to acquire a CDL Doubles/Triples endorsement, you must pass the Doubles/Triples Knowledge test. This test evaluates your knowledge of safely operating double and triple trailers, coupling and uncoupling, inspecting doubles and triples, and more. It's crucial to study the relevant sections of your state's CDL manual thoroughly before taking the test.
The CDL Doubles/Triples endorsement test is primarily a written exam, focusing on your knowledge rather than specific driving maneuvers. It covers areas such as coupling and uncoupling, inspecting doubles and triples, and the specifics of managing these larger vehicles. However, it's beneficial to practice driving these larger vehicles for real-world application of these principles.
No, it is not permissible to operate double/triple trailers without a valid CDL Doubles/Triples endorsement in Tennessee. The state requires drivers to obtain this endorsement to ensure they have the necessary knowledge and skills to safely operate such vehicles. Violating this requirement can result in penalties and potential suspension of driving privileges.
You can add the CDL Doubles/Triples endorsement to your existing commercial driver's license. You don't need to initiate a new application for a separate license. However, you must pass the Doubles/Triples Knowledge test to get this endorsement. It's important to check with your local DMV for specific state requirements and procedures.
Yes, there are limitations. A CDL Doubles/Triples endorsement only permits you to drive vehicles with more than one trailer. However, it doesn't allow you to operate other special vehicle types like buses or tank vehicles unless you have the specific endorsements for those. Also, all federal and state regulations regarding hours of service, vehicle maintenance, and load securement must still be followed.
In Tennessee, the maximum legal weight for a vehicle including double/triple trailers is 80,000 pounds. The maximum length for each semi-trailer is 28 feet 6 inches, and for each full trailer it's 28 feet. However, these restrictions can vary depending on road types and specific routes. Always check local regulations to ensure compliance.
Yes, drivers with a CDL Doubles/Triples endorsement must adhere to specific safety regulations. These include performing routine vehicle inspections, following appropriate coupling and uncoupling procedures, and maintaining safe following distances. They must also understand the high rollover risk associated with these vehicles and the effects of speed and curves on stability. Compliance with these guidelines helps ensure road safety.