Air Brakes #2
Air Brakes Endorsement Test | Kansas 2025 #2 Page 3 of 4
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.
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13 . When inspecting your brakes, a slack adjuster should move ____ from where it is attached to the push rod.
No more than one inch
Check each slack adjuster after setting wheel chocks and disengaging the parking brake. Pull the slack adjusters to make sure they do not move more than about one inch from where the push rod is attached. If they move more than one inch, they may be out of adjustment and will need to be fixed.
14 . The service brake system:
Applies and releases the axle brake.
Air brakes consists of three separate braking systems: the service brake system, the parking brake system, and the emergency brake system. The service brake system applies and releases the brakes when you use the brake pedal while driving normally.
15 . When traveling down a steep downgrade:
The vehicle should be driven on the shoulder.
On a downgrade, the braking effect of the engine should be your primary method of controlling speed. Shift down to a lower gear before starting down the hill and save the brakes for additional slowing or stopping that may be required by road or traffic conditions.
16 . Friction inside a brake drum is caused when the brake shoes and linings:
Create excess heat.
Friction inside a brake drum is caused when the brake shoes and linings push against the inside of the drum. The friction in the drums will slow and stop the vehicle.
17 . The air entering air storage tanks may contain:
Antifreeze.
The air that enters air storage tanks in an air brake system usually contains a certain amount of water and compressor oil. Because accumulations of these materials can damage the braking system, tanks are equipped with drains to allow their removal.
18 . Both systems in a dual air brake systems share:
An air compressor.
Both systems in a dual air brake system share a single air compressor. If the air compressor is damaged, neither system will be able to operate properly.
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2025 Kansas | Frequently Asked Questions
A CDL Class A license in Kansas is defined as a commercial driver's license that permits the holder to operate any combination of vehicles with a gross vehicle weight rating (GVWR) of 26,001 lbs or more, given that the GVWR of the vehicle(s) being towed is over 10,000 lbs. This typically includes tractor-trailer combinations.
A Class A CDL license in Kansas allows the holder to operate tractor-trailers, truck and trailer combinations, tank vehicles, livestock carriers, and flatbeds. It's also required for driving any combination of vehicles with a Gross Vehicle Weight Rating (GVWR) of 26,001 lbs or more, where the towed vehicle is over 10,000 lbs.
To obtain a Class A CDL license in Kansas, you must be at least 18 years old (21 for interstate driving), possess a valid Kansas driver's license, pass a vision test, and complete a medical examination. You'll also need to pass written knowledge tests and skills tests, which include a pre-trip vehicle inspection, a basic vehicle control test, and an on-road driving exam.
In Kansas, you must be at least 18 years old to qualify for a Class A Commercial Driver's License (CDL) for intrastate driving (within Kansas only). However, you must be at least 21 years old if you plan to drive commercially across state lines (interstate driving).
Specific endorsements are not required for a Class A CDL license in Kansas, but they can enhance your driving privileges. For instance, endorsements for tanker vehicles (N), passenger vehicles (P), school buses (S), and hazardous materials (H) allow you to operate specialized vehicles. To get these endorsements, you must pass additional written and skills tests.
The Class A CDL skills test in Kansas encompasses three parts: a pre-trip inspection, a basic vehicle control test, and an on-road driving test. The tests assess your ability to inspect your vehicle before trips, control the vehicle in various situations, and drive safely in traffic. You must pass all three parts to get your Class A CDL license.
Yes, there can be limitations for Class A CDL license holders in Kansas. These are often referred to as restrictions and may include: not being able to operate a vehicle with air brakes (L restriction), only operating automatic transmission vehicles (E restriction), or only driving within Kansas (K restriction). These restrictions depend on the driver's skills and the type of vehicle used during the test.
In Kansas, the written Class A CDL test is primarily administered in English, as federal regulations require all commercial drivers to read and speak English sufficiently to converse with the general public, understand highway traffic signs and signals, and respond to official inquiries. However, it's best to contact your local DMV office for any language accommodations.
Yes, individuals with disabilities can request accommodations for the Class A CDL written test in Kansas. The Kansas Department of Revenue, Division of Vehicles is committed to providing equal access to its services. If you have a disability and need an accommodation, contact your local DMV office to discuss available options and requirements.
If you fail the Class A CDL written test in Kansas, you're allowed to retake it. However, you must wait until the next business day to do so. There's no limit on the number of times you can retake the test, but each attempt requires a new testing fee. It's advisable to study thoroughly before reattempting.
