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Which outcome accelerates within cryogenic pumps at low temperatures?

A)Cavitation erosion rate
B)Bearing lubrication failure
C)Thermal expansion mismatch
D)Impeller material embrittlement

💡 Explanation

Increased vapor pressure difference near the impeller accelerates cavitation because bubble formation and collapse intensify, enhancing material removal therefore cavitation erosion sharply spikes rather than alternative failures that depend upon longer-term thermal or mechanical stresses.

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