RSES CMS Dynamic Compression Practice Questions - RSES Certificate Member Specialist (CMS) - Dynamic Compression Exam

Surge in a centrifugal compressor is best described as:

Excessive oil foaming in the sump A momentary flow reversal where discharge gas flows backward through the impeller Liquid refrigerant flooding the evaporator The point of maximum flow where capacity stops increasing

Correct Answer:

A momentary flow reversal where discharge gas flows backward through the impeller

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