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← TechnologyWhich outcome occurs when differential thermal expansion compromises turbine blade seals?
A)Reduced thermodynamic efficiency is worsened✓
B)Stall margin gradually improves slowly
C)EGT decreases at lower speeds
D)Turbine life expectancy automatically increases
💡 Explanation
Efficiency decreases because leakage increases within the turbine stage via **tip leakage**. This increases losses therefore reduces overall power production rather than improving stall margin; different geometry would impact airflow properties.
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