Manitoba Airbrake Practice Exam 2025 – Your All-in-One Guide to Mastering the Airbrake Test!

Question: 1 / 400

What is the primary purpose of the governor in an air brake system?

To control the compressor's operation and maintain proper air pressure

The primary purpose of the governor in an air brake system is to control the compressor's operation and maintain proper air pressure. The governor acts as a regulating mechanism that monitors the air pressure in the system and determines when the compressor should start or stop operating. When the pressure drops below a certain level, the governor triggers the compressor to produce more air until the desired pressure is reached. Once sufficient pressure is attained, the governor cuts off the compressor, preventing the system from over-pressurizing.

This functionality is crucial for ensuring that the air brake system operates efficiently and effectively, providing reliable braking power when needed. Proper air pressure is essential for the brakes to function properly, ensuring safety on the road. By controlling the compressor's operation, the governor helps maintain the necessary air supply for consistent braking performance.

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To enhance the sensitivity of the brake pedal

To increase the total volume of air in the system

To provide emergency stopping power

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