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When n>1, which of the fluid does it represents?

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in Bioprocess Engineering by (80.7k points)
When n>1, which of the fluid does it represents?

(a) Pseudoplastic

(b) Bingham

(c) Newtonian

(d) Dilatant

This question was posed to me in an interview for job.

The doubt is from Non Newtonian Fluids topic in section Fluid Flow and Mixing of Bioprocess Engineering

1 Answer

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Correct option is (d) Dilatant

Easy explanation: When physicochemical interactions create bonds that are strong enough to resist breakage during shear, this mechanism would dominate and dilatant (shear-thickening) behavior is observed. Shear-thinning fluids are used for lubrication and paints and require less volume. Its viscosity increases as the shear rate increases.

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