FREE Air Brakes Endorsement Test Online | Florida 2024 Page 2 of 4
Train for FREE online with our Florida 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 FL 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 . A modulating control valve can control the:
A modulating control valve allows a driver to gradually apply spring brakes. In equipped vehicles, the valve is controlled by a lever located on the dashboard.
8 . An air compressor governor will stop the compressor from pumping air once the air tanks have an air pressure level of:
An air compressor governor will stop the compressor from pumping air once the air tanks are at an air pressure level of 125 psi. This air pressure level is referred to as the "cut-out" level.
9 . What is removed when an air tank is drained?
In an air brake system, the air storage tanks are equipped with drains to allow water and compressor oil to be removed. The water and oil can damage the brakes if left to accumulate in the system.
10 . What color light indicates a vehicle's ABS is not working?
On vehicles with Anti-Lock Braking Systems (ABS), yellow malfunction lamps alert the driver to ABS malfunction.
11 . Foundation brakes are used:
Foundation brakes are used at each wheel. The most common type is the S-cam drum brake.
12 . What does ABS do?
The purpose of an Anti-Lock Braking System (ABS) is to prevent wheels from locking up during hard applications of the brakes, especially on slippery surfaces.
See the exact questions that will be on the 2024 Florida DMV exam.
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