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← ScienceWhich outcome occurs when rapid pipe enlargement causes turbulence?
A)Increased pressure drop✓
B)Decreased wall shear stress
C)Decreased mixing efficiency
D)Increased pump cavitation
💡 Explanation
Increased pressure drop occurs because flow separation creates chaotic eddies; therefore, kinetic energy dissipates as heat via increased viscous forces with turbulence, rather than streamlined flow with minimized losses at lower Reynolds numbers.
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