A rotational viscometer contains a Bingham plastic fluid that gives a dial reading of 22 at...

 

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A rotational viscometer contains a Bingham plastic fluid that gives a dial reading of 22 at a rotor speed of 300 rpm and a dial reading of 39 at a rotor speed of 600 rpm. Compute the plastic viscosity and yield point of the fluid. Answer: 17 cp and 5 lbf/100 sq ft. A rotational viscometer contains a Bingham plastic fluid that gives a dial reading of 22 at a rotor speed of 300 rpm and a dial reading of 39 at a rotor speed of 600 rpm. Compute the plastic viscosity and yield point of the fluid. Answer: 17 cp and 5 lbf/100 sq ft.