Which risk increases inside multistage axial compressors when operated outside design pressure ratios?

💡 Explanation

Blade fracture risk increases during surge because pressure imbalances initiate a reverse flow **surge cycle**, therefore resulting in alternating stress on compressor blades rather than stable operation at design point.

• Which change in microscopic structure results when amorphous solid transitions above glass transition temperature?
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• Which effect results during chemical synthesis when chiral molecules selectively absorb polarized light?
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