Which statement best reflects the function of static vanes in a turbine compressor system when considering performance impact?

Which statement best reflects the function of static vanes in a turbine compressor system when considering performance impact?

• A. They straighten flow and reduce swirl to improve efficiency
• B. They directly inject fuel into the combustion chamber
• C. They cool the incoming air before compression
• D. They have no significant effect on compressor performance

Answer: (A)