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Which outcome occurs when cryogenic fuel flows exceed a turbopump's stability threshold?

A)Turbulent cavitation erodes the impeller
B)Vapor lock stalls the pump
C)Thermal expansion seizes bearings
D)Resonance fractures the housing

💡 Explanation

Turbulence causes cavitation because rapid pressure fluctuations create vapor bubbles, which collapse violently. This action erodes materials, therefore impeller damage occurs, rather than the other failure modes that arise from different dynamics.

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