unknown 30°C liquid (S.G. = 0.85) flows into a surface which creates a shear stress of 0.20 N/m2 and velocity gradient of 16.8 s-1. What is the kinematic viscosity of the liquid? Express answer in exponential notation w/ 4 significant digits.

unknown 30°C liquid (S.G. = 0.85) flows into a surface which creates a shear stress of 0.20 N/m2 and velocity gradient of 16.8 s-1. What is the kinematic viscosity of the liquid? Express answer in exponential notation w/ 4 significant digits.

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter7: Forced Convection Inside Tubes And Ducts

Section: Chapter Questions

Problem 7.35P

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Question

1. A unknown 30°C liquid (S.G. = 0.85) flows into a surface which creates a shear stress of 0.20 N/m2 and velocity gradient of 16.8 s-1. What is the kinematic viscosity of the liquid? Express answer in exponential notation w/ 4 significant digits.

2. A unknown fluid at 20ºC fills the follow portion of a sleeve with a inner diameter of 11.8 cm and has a fixed coaxial cylinder of diameter 11.6 cm which rotates at 120 rpm. The torque generated is 23.40084214 N∙m per meter of rod length. What is the fluid used and its kinematic viscosity?

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