Knowledge Test Class B #2
Class B Driving Test | Kansas 2026 #2 Page 2 of 7
Train for FREE online with our Kansas 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 KS 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 . Before a vehicle with dual air brakes is driven, pressure of at least ____ should be built up in both braking systems.
100 psi
Before driving a vehicle with a dual air brake system, allow time for the air compressor to build up pressure of at least 100 psi in both the primary and secondary systems.
9 . Truck tractors with air brakes that were built on or after March 1, 1997 are equipped with:
Anti-Lock Braking Systems (ABS).
Truck tractors with air brakes that were manufactured on or after March 1, 1997 are required to be equipped with Anti-Lock Braking Systems (ABS). ABS is required in any other type of vehicle with air brakes that was manufactured on or after March 1, 1998.
10 . What happens if the air pressure in a system's air tanks falls below 60 psi?
The vehicle should stop.
In an air brake system, a low pressure warning signal should activate if the pressure in the air tanks falls to a level below 60 psi. This signal may be in the form of a warning light or a wig wag.
11 . 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.
12 . Failing to drain the tanks in an air brake system can result in:
Too much fuel being carried.
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.
13 . When parked on the side of the road, you should:
Use your four-way flashers.
Always turn on your four-way emergency flashers if you must park on the side of the road. This is especially important when traveling at night.
14 . If you’re unfamiliar with the area in which you must back up, you should:
Turn on your high beam headlights.
Backing is always dangerous because you cannot see everything behind your vehicle. Especially if you are unfamiliar with the area, you should get out of your vehicle and familiarize yourself with your path of travel before beginning to back up.
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2026 Kansas | Frequently Asked Questions
A Class B Commercial Driver's License (CDL) in Kansas allows you to operate single vehicles with a gross vehicle weight rating (GVWR) of 26,001 pounds or more, or any such vehicle towing another not exceeding 10,000 pounds. This typically includes straight trucks, buses, dump trucks, delivery trucks, and garbage trucks. It does not include combination vehicles, such as tractor-trailers.
A Class B Commercial Driver's License (CDL) in Kansas allows operation of single vehicles with a gross vehicle weight rating (GVWR) of 26,001 pounds or more, or any such vehicle towing another not exceeding 10,000 pounds. This typically includes straight trucks, buses, dump trucks, delivery trucks, and garbage trucks. It does not cover combination vehicles like tractor-trailers.
In Kansas, to acquire a Class B CDL, applicants must be at least 18 years old (21 for interstate driving), possess a valid non-commercial driver's license, pass a vision test, and then pass the written general knowledge test. After that, they must pass a pre-trip vehicle inspection test, basic vehicle control test, and on-road driving test in the type of vehicle they plan to drive.
In Kansas, you must be at least 18 years old to qualify for a Class B Commercial Driver's License (CDL) for intrastate driving, which means driving only within Kansas. However, to qualify for interstate driving (driving across state lines or transporting cargo that will be delivered out of state), you must be at least 21 years old.
Specific endorsements are not necessary to obtain a Class B CDL license but can be added based on the type of vehicle you wish to operate or the cargo you'll be transporting. For example, endorsements are available for passenger vehicles (P), school buses (S), and hazardous materials (H). Each endorsement requires passing additional tests.
The Class B CDL skills assessment in Kansas includes a pre-trip vehicle inspection test to check your understanding of your vehicle and its safety. The basic vehicle control test evaluates your ability to handle, steer, brake, and shift gears. Lastly, the on-road driving test assesses your ability to drive the vehicle in various traffic situations, including turns, intersections, railway crossings, and public roads.
Yes, Class B CDL license holders in Kansas are restricted to driving single vehicles with a gross vehicle weight rating (GVWR) of 26,001 pounds or more, or towing a vehicle not exceeding 10,000 pounds GVWR. They cannot operate Class A vehicles unless they've obtained the appropriate endorsements. Also, if the vehicle is used to transport hazardous materials or more than 15 passengers, additional endorsements are required.
No, in Kansas, the written Class B CDL test is only available in English. This is due to Federal Motor Carrier Safety Administration regulations stating that all commercial drivers must be able to read and understand English to ensure safety on the roads. Therefore, all tests are administered in English only.
Yes, in Kansas, accommodations can be requested for the Class B CDL written test if you have a disability. The request should be made at the time of scheduling your test. Accommodations may include extended time, a quiet room, or other necessary adjustments. It's crucial to provide adequate documentation of your disability when you make your request.
Yes, you can retake the Class B CDL written test in Kansas if you don't pass on your first try. You are allowed to retake the test one day after your initial attempt. However, if you fail the test three times, you will have to wait six months before you can retake it. Each retest may also require an additional fee.
