Saskatchewan Air Brake Practice Questions - Saskatchewan Air Brake (Endorsement A) Exam

How does the governor command the compressor to stop pumping air?

By disengaging the mechanical clutch drive from the engine By routing air pressure to the compressor's unloading mechanism to hold the inlet valves open By shutting off the engine lubrication supply to the compressor cylinders By closing a butterfly valve in the compressor intake manifold

Correct Answer:

By routing air pressure to the compressor's unloading mechanism to hold the inlet valves open

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