FREE Air Brakes Endorsement Test Online | Kansas 2024
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 2021, 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.
1 . The ____ tells a driver how much pressure is in the air tanks.
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:
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:
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:
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.
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:
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.
See the exact questions that will be on the 2024 Kansas DMV exam.
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