Air Brake Coach
System partsQuestion 5 of 116

Where is the governor usually mounted?

  1. On the brake chamber
  2. On the top or side of the compressor head
  3. Inside the foot valve
  4. On the trailer frame
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Correct answer: On the top or side of the compressor head

The governor is usually on the compressor head. It can also be mounted away from the compressor.

Source: Air Brake Manual: A Guide for Instructors (Government of Alberta, Alberta Transportation, March/April 2012), Module 3: Supply circuit, page 40

Practice system parts

Questions last reviewed: 18 October 2026