Test yourself: 5 hard theory questions, free Airspace, weather, regs and aerodynamics, FAA-style — instant score, every answer explained. No signup.
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Variable stator vanes in a compressor are used to:
A
Increase fuel efficiency only at cruise
B
Control bleed air extraction
C
Reduce engine noise
D
Optimize airflow angle to the rotor blades across the RPM range to prevent stall
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See where you stand: 5 hard questions, instant score, every answer explained.