What are Air Brakes? Air brake system is a type of braking system which uses compressed air to apply the pressure in order to stop the vehicle. Air brakes are also known as pneumatic brakes. The first air brake was invented by George Westinghouse, he introduced this type of brake for the use in trains. Air brakes are widely used in heavy vehicles like trucks and buses because they are heavy in weight and they need more effort on brake pedal to stop them, and for comfortably braking them air brake is good as it has high potential energy and does not requires much effort to push the brake pedal.…