What are the main components of an air brake system?

Prepare for the Texas CDL Air Brakes Test. Study with multiple choice questions, each with hints and explanations. Ace your exam!

The main components of an air brake system are compressor, reservoir tank, brake chambers, and brake shoes. Each of these elements plays an essential role in the functioning of air brakes, which are commonly used in large vehicles like trucks and buses.

The compressor is responsible for generating compressed air, which is crucial for the operation of the entire system. It pumps air into the reservoir tank, where the air is stored until it is needed for braking. The reservoir tank ensures that there is always a supply of compressed air available for the brakes to function properly.

Brake chambers are then activated by this compressed air. When the driver applies the brakes, air from the reservoir enters the brake chambers, causing a diaphragm to move. This movement activates the pushrod connected to the brake shoes, which then create the friction needed to slow down or stop the vehicle.

Brake shoes are crucial as they make contact with the drum in which they are housed, creating the friction necessary for stopping the vehicle. The design of air brakes allows for effective stopping power, especially in heavy-duty vehicles.

This combination of components is specifically designed for the air brake system, ensuring reliability and efficiency in braking performance. Other choices like brake pads and rotors, vacuum pumps, or shock absorbers pertain to

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