Manitoba Airbrake Practice Exam

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The governor's cut-out pressure must not be lower than:

  1. 100 psi

  2. 120 psi

  3. 140 psi

  4. 160 psi

The correct answer is: 120 psi

The governor's cut-out pressure should not be lower than 120 psi to ensure that the governor can effectively control the compressor, preventing it from over-pressurizing and causing damage. Option A, 100 psi, may not provide enough pressure to effectively control the compressor. Options C and D, 140 psi and 160 psi respectively, are both higher than the recommended cut-out pressure and could potentially put strain on the compressor and cause it to wear out faster. It is important to choose the correct cut-out pressure to ensure the longevity and efficiency of the compressor.

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