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Q2) One type of capillary-tube viscometer is shown in Figure. For this device the liquid to be tested is drawn into the tube to a level above the top etched line. The time is then obtained for the liquid to drain to the bottom etched line. The kinematic viscosity, v, in m²/s is then obtained from the equation V= KRt where K is a constant, R is the radius of the capillary tube in mm, and t is the drain time in seconds. When glycerine at 20 °C is used as a calibration fluid in a particular viscometer the drain time is 1,430 s. When a liquid having a density of 970 kg/m³ is tested in the same viscometer the drain time is 900 s. What is the dynamic viscosity of this liquid? Given : For glycerine at 20 °C, v=1.19 x 103 m2/s Glass strengthening- bridge Etched lines Capillary tube

Q2) One type of capillary-tube viscometer is shown in Figure. For this device the liquid to be tested is drawn into the tube to a level above the top etched line. The time is then obtained for the liquid to drain to the bottom etched line. The kinematic viscosity, v, in m²/s is then obtained from the equation V= KRt where K is a constant, R is the radius of the capillary tube in mm, and t is the drain time in seconds. When glycerine at 20 °C is used as a calibration fluid in a particular viscometer the drain time is 1,430 s. When a liquid having a density of 970 kg/m³ is tested in the same viscometer the drain time is 900 s. What is the dynamic viscosity of this liquid? Given : For glycerine at 20 °C, v=1.19 x 103 m2/s Glass strengthening- bridge Etched lines Capillary tube

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
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Q2) One type of capillary-tube viscometer is shown in Figure. For this device the liquid to be tested is drawn into the tube to a level above the top etched line. The time is then obtained for the liquid to drain to the bottom etched line. The kinematic viscosity, v, in m²/s is then obtained from the equation v= KR*t where K is a constant, R is the radius of the capillary tube in mm, and t is the drain time in seconds. When glycerine at 20 °C is used as a calibration fluid in a particular viscometer the drain time is 1,430 s. When a liquid having a density of 970 kg/m³ is tested in the same viscometer the drain time is 900 s. What is the dynamic viscosity of this liquid? Given : For glycerine at 20 °C, v=1.19 x 103 m²/s Glass strengthening bridge Etched lines Capillary tube
Transcribed Image Text:Q2) One type of capillary-tube viscometer is shown in Figure. For this device the liquid to be tested is drawn into the tube to a level above the top etched line. The time is then obtained for the liquid to drain to the bottom etched line. The kinematic viscosity, v, in m²/s is then obtained from the equation v= KR*t where K is a constant, R is the radius of the capillary tube in mm, and t is the drain time in seconds. When glycerine at 20 °C is used as a calibration fluid in a particular viscometer the drain time is 1,430 s. When a liquid having a density of 970 kg/m³ is tested in the same viscometer the drain time is 900 s. What is the dynamic viscosity of this liquid? Given : For glycerine at 20 °C, v=1.19 x 103 m²/s Glass strengthening bridge Etched lines Capillary tube
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