Air Brakes #2
Air Brakes Endorsement Test | Kansas 2025 #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 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 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.
2025 Kansas | Frequently Asked Questions
To secure a CDL Doubles/Triples endorsement in Kansas, you must first have a Commercial Driver's License (CDL). You then need to pass the Doubles/Triples endorsement knowledge test administered by the Kansas Department of Revenue's Division of Vehicles. Studying the state's CDL handbook and taking practice tests can help prepare you for the endorsement exam.
To obtain a CDL Doubles/Triples license, you first need a basic CDL. Then, you'll need to pass the Doubles/Triples endorsement knowledge test. This test covers topics like coupling and uncoupling, inspecting doubles and triples, and handling these vehicles. It's advisable to study your state's CDL handbook and take practice tests to prepare for the exam.
Although specialized experience or training isn't a formal requirement for a CDL Doubles/Triples endorsement, it's beneficial. Understanding how to handle these larger, more complex vehicles is crucial for safety. Studying the CDL manual and practicing with these types of vehicles can provide valuable experience. Ultimately, passing the Doubles/Triples endorsement knowledge test is what's required.
Yes, in Kansas, you must pass the Doubles/Triples Endorsement knowledge test to obtain this endorsement on your Commercial Driver's License (CDL). The test covers specific topics related to driving double and triple trailers such as coupling and uncoupling, inspecting doubles and triples, and checking air brakes.
For the CDL Doubles/Triples endorsement in Kansas, you don't need to perform any specific maneuvers during a skills test. Instead, you'll take a Doubles/Triples Knowledge test. This written exam focuses on specific knowledge like coupling and uncoupling, inspecting doubles and triples, and the crucial differences between driving single trailers and doubles/triples.
No, it's not permissible. In Kansas, like the rest of the U.S., you must have a valid CDL Doubles/Triples endorsement to legally operate double or triple trailers. Operating these vehicles without the proper endorsement could result in legal penalties, including fines and potential suspension of your commercial driving privileges.
Yes, you can append the CDL Doubles/Triples endorsement to your existing commercial driver's license. You don't need to initiate a completely new application. However, you will need to pass the specific knowledge test for this endorsement and pay any associated fees. Always check with your local DMV for the most accurate information.
Yes, there are limitations. Even with a CDL Doubles/Triples endorsement, drivers in Kansas cannot exceed the 80,000 lbs gross vehicle weight limit. Also, the length of the double/triple trailers should not exceed the limit set by Kansas law. Furthermore, drivers are required to follow all federal and state regulations regarding hours of service.
In Kansas, the maximum legal weight for a vehicle, including double/triple trailers, is 80,000 pounds. The maximum length for a single trailer is 59.5 feet and for double/triple trailers is 81.5 feet. However, these limits can vary based on the type of roads used, so always check with local regulations and guidelines.
Yes, drivers with a CDL Doubles/Triples endorsement must follow specific safety guidelines. These include checking that all couplings are secure, ensuring the heaviest trailer is first, and maintaining a safe following distance. Furthermore, they should be aware of the "crack-the-whip" effect, which can cause rollovers during lane changes or turns if not carefully managed.