GCAA CAR-66 B1 Exam Practice Questions - UAE GCAA CAR-66 Aircraft Maintenance Engineer Licence - Category B1 (Mechanical) Exam

What is the primary purpose of variable stator vanes (VSVs) in the compressor of a gas turbine engine?

To increase the bypass ratio at cruise To direct airflow onto the rotor blades at the optimum angle across the speed range and prevent compressor stall/surge To cool the turbine blades with bleed air To reverse engine thrust during landing

Correct Answer:

To direct airflow onto the rotor blades at the optimum angle across the speed range and prevent compressor stall/surge

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