FREE Air Brakes Endorsement Test Online | Arkansas 2024 Page 2 of 4
Train for FREE online with our Arkansas 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 AR 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.
7 . Brake linings should be:
Brake linings should not be loose or soaked with oil or grease. They shouldn't be dangerously thin.
8 . When starting a vehicle with dual air brakes, pressure of ____ should be built up in the system before it is driven.
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 . The air compressor governor controls:
In an air brake system, the air compressor governor controls when the air compressor pumps air into the air storage tanks.
10 . If the brake pads rub against the brake drums and create too much heat:
Brakes heat up with use. If they are overused and become too hot, expansion and chemical changes will make them less effective and eventually cause them to stop working altogether. This is known as "brake fade."
11 . If a vehicle has air brakes, the air compressor drive belt should be checked before each drive. In what condition should the belt be?
When inspecting a vehicle with air brakes that has a belt-driven air compressor, you should check the condition and tightness of the belt. It should be in good condition.
12 . On newer vehicles, how do you put on the parking brake?
On newer vehicles with air brakes, the parking brake is controlled by a yellow, diamond-shaped knob. The knob is pulled out to set the brakes, and pushed in to release them.
See the exact questions that will be on the 2024 Arkansas DMV exam.
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