The air compressor governor controls:

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Multiple Choice

The air compressor governor controls:

Explanation:
The air compressor governor is the device that regulates when the air compressor runs by monitoring the air pressure in the tanks. When pressure drops to the low threshold, the governor allows the compressor to start pumping air into the tanks. Once the pressure reaches the high threshold, it stops the compressor to prevent over-pressurization. This on/off cycling keeps the system within the proper range so there’s enough air for braking. It isn’t directly controlling the brake pedal valve, the parking brake lever, or a temperature sensor—the governor’s job is specifically to manage the compressor based on tank pressure.

The air compressor governor is the device that regulates when the air compressor runs by monitoring the air pressure in the tanks. When pressure drops to the low threshold, the governor allows the compressor to start pumping air into the tanks. Once the pressure reaches the high threshold, it stops the compressor to prevent over-pressurization. This on/off cycling keeps the system within the proper range so there’s enough air for braking. It isn’t directly controlling the brake pedal valve, the parking brake lever, or a temperature sensor—the governor’s job is specifically to manage the compressor based on tank pressure.

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