A thick suspension is tested in a Couette (cup and bob) viscometer that has a cup radius

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A thick suspension is tested in a Couette (cup and bob) viscometer that has a cup radius of $2.05 \mathrm{~cm}$, a bob radius of $2.00 \mathrm{~cm}$, and a bob length of $15 \mathrm{~cm}$. The following data are obtained:

Cup Speed (rpm)Torque on Bob (dyn cm)
22,000
46,000
1019,000
2050,000
50150,000

What can you deduce about (a) the viscous properties of this material, and (b) the best model to use to represent these data?

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