describe a method of determination of viscosity of liquid in laboratory.
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Answer: Measuring viscosity via a capillary tube is one of the oldest methods of determining the kinematic viscosity of a sample, requiring prior knowledge of the density and volume of the sample of interest. This fluid is passed through a vertical U-tube of known dimensions and very small diameter
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Viscometry is the experimental determination of the viscosity of liquids and gases with so-called viscometers. 1 Definition of viscosity (Newton’s law of fluid friction) 2 Rotational viscometer. 3 Falling sphere viscometer. 4 Falling sphere viscometer by Höppler. 5 Capillary viscometer by Ubbelohde.
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