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← TechnologyWhich risk grows when an oscillating positive displacement pump's chamber check valve exceeds its designed seating velocity in a cryogenic refrigerator?
A)Flow induced component fatigue✓
B)Decreased thermal conductivity insulation
C)Increased vortex shedding frequency
D)Lubricant phase transition instability
💡 Explanation
Flow-induced component fatigue is heightened because fluid momentum generates forces during each cycle, amplified through resonance. Therefore, oscillating stresses concentrate causing fatigue rather than increased turbulence or alternative thermal/lubrication defects under typical cryogenic material transitions.
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