Ontario Air Brake Practice · Question
The governor controls:
The governor switches the compressor between loaded (pumping) and unloaded modes at preset cut-in/cut-out pressures.
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Question: The governor controls:
Answer options:
- Engine speed ✅ When the compressor pumps air into the system (cut-in / cut-out pressures)
- Brake balance
- Wheel speed
Correct answer: When the compressor pumps air into the system (cut-in / cut-out pressures)
Explanation: The governor switches the compressor between loaded (pumping) and unloaded modes at preset cut-in/cut-out pressures.
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