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← TechnologyWhich consequence results when a submersible pump experiences substantial two-phase flow?
A)Increased motor winding insulation breakdown
B)Reduced head pressure and flowrate
C)Pump impeller fatigue crack formation✓
D)Elevated discharge temperature and pressure
💡 Explanation
Pump impeller fatigue crack formation accelerates due to cavitation: two-phase flow causes vapor bubbles to collapse violently on the impeller surfaces. This mechanical stress results in fatigue cracking, rather than alternative electrical or thermal failures, because of the high frequency of impacts.
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