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← ScienceWhich outcome results when industrial mixing of a non-Newtonian fluid exceeds a critical shear threshold?
A)Viscosity increases due to dilatancy✓
B)Fluid becomes Bingham plastic solely
C)Turbulence decreases with reduced stress
D)Cavitation occurs; fluid vaporizes locally
💡 Explanation
Dilatancy is the mechanism that causes viscosity to increase with raised shear stress in sensitive non-Newtonian fluids such as cornstarch suspensions because particles interlock into a more rigid arrangement; therefore, viscosity increases rather than decreasing like in shear-thinning fluids or causing cavitation.
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