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← ScienceWhich outcome impairs turbine efficiency during off-design cryogenic liquid pump operation?
A)Vapor pressure exceeds cavitation threshold✓
B)Heat generation exceeds cooling capacity
C)Dynamic viscosity reaches turbulent transition
D)Intermolecular forces approach ideal gas
💡 Explanation
Lowered throughput implies prolonged fluid pressure decay within the pump. This induces cavitation because the reduced fluid pressure attains the liquid's vapor pressure, therefore vapor bubbles form, reducing effective pumping volume, rather than increased cooling.
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