There is no air brake endorsement. A CDL driver who does not complete and pass the written air brakes test AND complete and pass the road test in a vehicle equipped with air brakes gets a restriction prohibiting them from operating a commercial vehicle equipped with air brakes.
No. Air brakes are not a parameter in determining whether or not a vehicle needs a CDL.
Air brakes don't determine whether or not a vehicle needs a CDL.
No, they use air pressure or actually the lack of air pressure to stop the vehicle. The brakes are fully on until pressure builds up in the tank releasing the brakes. When you push the brake pedal this removes air from the system and applies the brakes.
We would need to know what type of brakes you have... S-cam air brakes, air disc brakes, air piston brakes, air wedge brakes, hydraulic drum brakes, hydraulic disc brakes... they're all different.
Air brakes are just as effective as a standard set of brakes. The advantages to air brakes are that you do not have to worry about leaking brake fluid.
Compressed air.
The Mercury Mountaineer has hydraulic brakes, not air brakes.
George Westinghouse invented the air brakes
Air in the brake system- Brake system needs to be bleed and fluid needs to be added while you are doing that.
No. Hydraulic brakes can be either drum or disc brakes, and these two brake types are available as air brakes and air-over-hydraulic systems, as well.
Visit the following link to learn more about the difference between air brakes and regular car brakes: http://auto.howstuffworks.com/auto-parts/brakes/brake-types/air-brake.htm. In short, air brakes are made to prevent trucks, trains and buses from crashing.
The air brakes portion of your CDL handbook.