Air Brakes Endorsement Test | Arkansas 2024 #2 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 2024, 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 . While driving, spring brakes are generally held in place by:
While driving, spring brakes are generally held in place by air pressure. If the air pressure gets low enough, the springs will activate the brakes.
8 . A low air pressure warning signal:
Any vehicle with air brakes must be equipped with a low air pressure warning signal.
9 . Some water and compressor oil is usually found in the compressed air within an air brake system. The water and compressor oil:
If water and compressor oil are left to build up in an air brake system, the system can be damaged. Air storage tanks are equipped with drains to allow this accumulation to be removed. Manually controlled drains should be operated at the end of each day of driving.
10 . Brake linings should be:
Brake linings should not be loose or soaked with oil or grease. They shouldn't be dangerously thin.
11 . Air brakes use ____ to function.
The brakes in an air brake system use compressed air to function properly.
12 . If using air tanks with manually operated drains, how often should you drain the tanks?
In an air brake system with manually operated drains, the tanks should be drained at the end of each day of driving.
See the exact questions that will be on the 2024 Arkansas DMV exam.
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