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- Third Assistant Engineer (Steam-Motor-Gas Turbine Plants (Unlimited)) »
- Q533 - Gas Turbine Plants
176. What is the term given to the condition in which cyclic pressure changes result in a repetitive failure and recovery of compressor air flow?
Surge is the correct answer; it describes a compressor instability characterized by cyclic pressure fluctuations and repetitive loss and recovery of airflow. Stall involves localized flow separation, while laminar and turbulent describe flow regimes, not this specific instability.
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