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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
A viscometer consists essentially of two reservoirs joined by a length of capillary tubing. The instrument is filled with liquid so that the free surfaces in the reservoirs are where the walls are in the form of vertical circular cylinders, each of diameter 20 mm. The capillary tube is 1 mm diameter and 400 mm long. Initially the difference in the free surface levels is 40 mm, and, for a particular liquid of relative density 0.84, the time taken for the higher level to fall by 15 mm is 478 s. Neglecting end effects in the capillary tube and energy losses other than those due directly to viscosity, determine the viscosity of the liquid.
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