SAR-66 Module 15 Practice Questions - CAAS SAR-66 AML Module 15 - Gas Turbine Engine Exam

What causes an axial compressor aerodynamic stall?

The local angle of attack of airflow over compressor rotor blades exceeds the critical stall angle Fuel pressure delivered by the HMU exceeds combustion chamber pressure Turbine inlet temperature drops below 200 °C The compressor pressure ratio falls to zero

Correct Answer:

The local angle of attack of airflow over compressor rotor blades exceeds the critical stall angle

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