Manitoba Airbrake Practice Exam

Question: 1 / 400

What is the function of the air compressor in an air brake system?

To build and maintain air pressure in the braking system

The air compressor in an air brake system plays a crucial role by building and maintaining the air pressure necessary for the operation of the brake system. Its primary function is to generate compressed air, which is stored in tanks and used to activate the brakes when needed. This process ensures that the braking system has a continuous supply of air pressure, allowing for reliable and effective braking performance. Without the air compressor generating the necessary pressure, the air brakes would not function properly, leading to potential safety risks during vehicle operation. The performance of the air brake system heavily relies on the efficiency and reliability of the air compressor.

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To operate the vehicle's transmission

To control the speed of the engine

To recharge the vehicle's battery

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