A viscometer constructed of two 30-cm-long concentric cylinders is used to measure the viscosity of a fluid.
Question:
A viscometer constructed of two 30-cm-long concentric cylinders is used to measure the viscosity of a fluid. The outer diameter of the inner cylinder is 9 cm, and the gap between the two cylinders is 0.18 cm. The inner cylinder is rotated at 250 rpm, and the torque is measured to be 1.4 N·m. The viscosity of the fluid is
(a) 0.0084 N·s/m2
(b) 0.017 N·s/m2
(c) 0.062 N·s/m2
(d) 0.0049 N·s/m2
(e) 0.56 N·s/m2
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To find the viscosity of the fluid you can use the formula for the shear stress in a viscometer with ...View the full answer
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Related Book For 
Fluid Mechanics Fundamentals And Applications
ISBN: 9781259696534
4th Edition
Authors: Yunus Cengel, John Cimbala
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