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← ScienceWhich mechanical failure occurs when a jet engine's rotor disk exceeds its designed angular velocity?
A)Turbine blade tip creep fracture
B)Compressor blade leading edge erosion
C)Rotor disk burst from centrifugal stress✓
D)Combustion chamber thermal fatigue cracking
💡 Explanation
Rotor burst happens because a critical angular velocity induces centrifugal stress exceeding material tensile strength and resulting in catastrophic failure; therefore the disk shatters rather than blade creep occurring at higher temperatures.
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