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4.25 A rotational viscometer contains a fluid that gives a dial reading of 20 at a rotor speed of 300 rpm and a dial reading of 40 at a rotor speed of 600 rpm. a. Is the fluid in the Fann viscometer a Newto- nian fluid? Why? b. What is the apparent viscosity at 300 rpm in poise, centipoise, and lbf-s/sq ft? Answer: 20 cp; 4.17x10-4 lbf-s/sq ft.

4.25 A rotational viscometer contains a fluid that gives a dial reading of 20 at a rotor speed of 300 rpm and a dial reading of 40 at a rotor speed of 600 rpm. a. Is the fluid in the Fann viscometer a Newto- nian fluid? Why? b. What is the apparent viscosity at 300 rpm in poise, centipoise, and lbf-s/sq ft? Answer: 20 cp; 4.17x10-4 lbf-s/sq ft.

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
Section: Chapter Questions
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☎ 0 4.25 A rotational viscometer contains a fluid that gives a dial reading of 20 at a rotor speed of 300 rpm and a dial reading of 40 at a rotor speed of 600 rpm. a. Is the fluid in the Fann viscometer a Newto- nian fluid? Why? b. What is the apparent viscosity at 300 rpm in poise, centipoise, and lbf-s/sq ft? Answer: 20 cp; 4.17x10-4 lbf-s/sq ft. Ť يحيى قبل دقيقة واحدة 10:03 م O Δ ↑
Transcribed Image Text:☎ 0 4.25 A rotational viscometer contains a fluid that gives a dial reading of 20 at a rotor speed of 300 rpm and a dial reading of 40 at a rotor speed of 600 rpm. a. Is the fluid in the Fann viscometer a Newto- nian fluid? Why? b. What is the apparent viscosity at 300 rpm in poise, centipoise, and lbf-s/sq ft? Answer: 20 cp; 4.17x10-4 lbf-s/sq ft. Ť يحيى قبل دقيقة واحدة 10:03 م O Δ ↑
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