Knowledge Test Class B #2
Class B Driving Test | Tennessee 2026 #2 Page 2 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 2026, 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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8 . If brakes overheat while going down a downhill grade, they may:
Overuse of the brakes may cause them to overheat, making them less effective. This is known as "fade."
9 . If the safety relief valve in the air brake system releases air:
An air brake system has a safety relief valve, which releases air from the tanks if the pressure gets too high. If the valve must operate, something in the system is wrong and should be addressed by a mechanic.
10 . When starting from a stop:
To avoid hitting anything behind you, make sure that your vehicle does not roll back when you start from a complete stop.
11 . When driving in hot weather:
Because air pressure increases as air expands in the heat, it is important to monitor your tire pressure when driving in very hot weather. To prevent the engine from overheating, there must be an adequate amount of oil in the engine, as well as enough water and antifreeze in the cooling system. Antifreeze is helpful for the engine in both hot and cold weather.
12 . Foundation brakes are used:
At each wheel.
Foundation brakes are used at each wheel. The most common type is the S-cam drum brake.
13 . When driving, how can you maintain alertness?
Strategies to avoid becoming fatigued while driving include keeping the cab cool inside by using the air conditioner or opening a window; avoiding heavy foods; and taking rest breaks about every two hours or 100 miles.
14 . A low air pressure warning signal should activate:
When tank pressure falls below 5 psi.
In an air brake system, a low air pressure warning signal must come on if air pressure in the tanks falls below 60 psi. This warning signal may come in the form of a light, a buzzer, or a wig wag.
2026 Tennessee | Frequently Asked Questions
To acquire a CDL Passenger endorsement in Tennessee, you must already hold a valid CDL. Next, you'll need to pass the passenger transport test. This involves studying the relevant sections in the TN CDL manual, taking practice tests, and finally passing the actual test at a DMV office. You'll also need to pay the necessary fees.
To obtain a CDL Passenger license in Tennessee, you must have a valid Tennessee CDL. You must also pass the Passenger Transport Test, which includes a written exam and a skills test. Furthermore, you must be at least 21 years old, pass a physical examination, and have a clean driving record. Lastly, you'll need to pay the required fees.
While specific training is not legally required to secure a CDL Passenger endorsement in Tennessee, it is highly recommended. Training can help you pass the Passenger Transport Test, which includes both a written exam and a skills test. Experience driving larger vehicles can also be beneficial, but it isn't a legal requirement.
Yes, to secure a CDL Passenger endorsement in Tennessee, you must pass the Passenger Transport Test. This test includes both a written exam and a skills test. The written exam covers topics such as vehicle inspection, loading and trip start, on the road, after-trip vehicle inspection, prohibited practices, and use of brake-door interlocks.
During the CDL Passenger endorsement assessment, you will need to showcase skills such as proper vehicle inspection, safe loading and unloading of passengers, managing emergency situations, following traffic laws and regulations, and demonstrating effective communication with passengers. Additionally, you may be required to perform maneuvers such as parallel parking, backing up, and making turns in a controlled manner.
No, you cannot legally transport passengers in Tennessee without a valid CDL Passenger endorsement. This endorsement is required for drivers who wish to drive a vehicle designed to carry 16 or more passengers, including the driver. Driving such a vehicle without the proper endorsement can lead to serious penalties, including fines and suspension of your CDL.
Yes, you can add the CDL Passenger endorsement to your existing commercial driver's license in Tennessee. To do so, you'll need to pass the Passenger Transport written test and skills test. You don't need to apply for a new CDL, but there will be additional fees for the endorsement.
Yes, there are specific restrictions for drivers with a CDL Passenger endorsement in Tennessee. Drivers must not have more than one license, the vehicle must not exceed the authorized passenger capacity, and drivers must adhere to safety regulations. Any violation can result in fines, imprisonment, disqualification, or loss of the CDL Passenger endorsement.
Yes, there are age-related prerequisites for acquiring the CDL Passenger endorsement in Tennessee. You must be at least 21 years old to drive a commercial motor vehicle across state lines (interstate) or to carry hazardous materials. However, if you're only driving within Tennessee (intrastate), you can be as young as 18.
With a CDL Passenger endorsement, you can operate commercial vehicles designed to carry 16 or more passengers, including the driver. This includes buses, shuttle vans, and school buses. However, to drive a school bus in Tennessee, you'll need an additional School Bus (S) endorsement on top of the Passenger (P) endorsement.