Air Brakes #2
Air Brakes Endorsement Test | Kansas 2026 #2
Train for FREE online with our Kansas CDL air brake 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 Class A/Class B driver license 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 the requirements for CDL may vary from state to state.
25
20
20
1 . The ____ tells a driver how much pressure is in the air tanks.
Drum brake
A vehicle that is equipped with air brakes must also be equipped with a supply pressure gauge. This gauge tells the driver how much air pressure is in each of the vehicle's air tanks.
2 . During an applied leakage test, the maximum leakage rate for a double combination vehicle is:
4 psi in a minute.
It is important to know the maximum air loss rate that is safe for your specific vehicle. A double combination vehicle should have a leakage rate no higher than 4 psi in a minute during an applied leakage test.
3 . 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.
4 . The air pressure in a dual air brake system should build from 85 to 100 psi within:
45 seconds.
When inspecting a vehicle with a dual air brake system, you should wait for air pressure to build from 85 to 100 psi in both the primary and secondary systems. This should take about 45 seconds.
5 . Most heavy-duty vehicles use ____ air brake systems.
Quad
The majority of heavy-duty vehicles are equipped with dual air brake systems.
6 . Before driving a vehicle with air brakes, you should ensure that the spring brakes come on automatically when:
Driving uphill.
Before driving a vehicle with air brakes, you should ensure that the spring brakes come on automatically when air tank pressure falls to a level between 20 and 45 psi. You can do this by chocking the wheels and releasing air from the braking system by stepping on and off the brake pedal. Once the pressure drops to an unsafe level, the parking brake valve should pop out and spring brakes should come on.
2026 Kansas | Frequently Asked Questions
To acquire a CDL Passenger endorsement in Kansas, you must first have a Commercial Driver's License (CDL). Next, you'll need to pass a written Passenger Vehicles test and a skills test in the type of vehicle you'll be driving. The Kansas Department of Revenue's Division of Vehicles oversees this process. It's advisable to study the Kansas CDL Handbook prior to testing.
To obtain a CDL Passenger license in Kansas, you must be at least 18 years old, possess a valid non-commercial driver's license, and have at least one year of driving experience. You must also pass a medical examination, a written Passenger Vehicles test, and a skills test in the type of vehicle you'll be driving.
While Kansas does not mandate specific training to secure a CDL Passenger endorsement, it is highly recommended. The endorsement requires passing a written test and a skills test in a vehicle similar to what you'll be driving. Therefore, training or experience driving such vehicles can be very beneficial. Additionally, you must have at least one year of driving experience to obtain a CDL.
Yes, to obtain a CDL Passenger endorsement in Kansas, you are required to pass a written Passenger Vehicles test. This test covers topics like vehicle inspection, loading and trip start, on the road, after-trip vehicle inspection, prohibited practices, and use of brake-door interlocks. It's an additional requirement beyond the general CDL written exam.
During the CDL Passenger endorsement assessment, you will need to demonstrate skills such as safe loading and unloading of passengers, proper operation of emergency exits, responding appropriately to emergency situations, and safely navigating routes. You'll also need to perform a vehicle inspection to ensure it's safe for passenger transport. Additionally, you'll be evaluated on your ability to manage passenger behavior.
No, you cannot legally transport passengers in Kansas without a valid CDL Passenger endorsement. This endorsement is necessary for drivers who wish to drive vehicles such as buses or shuttles that carry 16 or more passengers, including the driver. Driving 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. You don't need a new application. However, you must pass the Passenger endorsement knowledge test and in some cases, a skills test. Once you pass, the endorsement is added to your CDL. Check with your local DMV for specific requirements in Kansas.
Yes, there are specific restrictions for drivers with a CDL Passenger endorsement in Kansas. For example, you must not have any serious traffic violations within the past two years. Also, you're required to pass a background check by the Transportation Security Administration if you're driving a vehicle designed to carry 16 or more passengers. Lastly, you must be at least 21 to drive commercially across state lines.
Yes, in Kansas, you must be at least 18 years old to apply for a CDL Passenger endorsement for intrastate transport (within Kansas only). However, if you plan on driving commercially across state lines (interstate transport), or transporting hazardous materials, you must be at least 21 years old. Age limitations are set for safety and insurance reasons.
With a CDL Passenger endorsement in Kansas, you're eligible to operate vehicles designed to transport 16 or more passengers, including the driver. This includes buses, shuttles, and large vans. However, if the vehicle is also classified as a school bus, you will need an additional School Bus (S) endorsement. Always check the specific requirements for the vehicle you intend to operate.