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← TechnologyWhich limit results when a gas turbine experiences flameout?
A)Erosion of turbine blade surfaces
B)Uncontrolled acceleration to overspeed
C)Combustion chamber pressure oscillations
D)Mechanical fatigue from thermal cycling✓
💡 Explanation
Thermal cycling increases when flameout occurs because sudden cooling stresses the metal; the quenching hardens, increasing mechanical fatigue rather than erosion. Subsequently, compressive and expansive cycles weaken the structure; therefore, fatigue-induced cracking occurs, rather than overspeeding from uncontrolled ignition.
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