Which effect occurs when an anti-stall control system malfunctions in an aircraft gas turbine engine?

💡 Explanation

When the anti-stall control system fails, the variable stator vanes cannot adjust to maintain optimal airflow and avoid exceeding critical pressure ratios in the compressor, leading to compressor surge because of flow separation creating stalls causing the engine to stall. Therefore compressor surge and engine stall result, rather than turbine overtemperatures, pump cavitation, or flameout which require different engine malfunction conditions.

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