Ex2: Crude oil at 20 °C fills the space between two concentric cylinder 250 mm high and with diameters of 150 mm and 156mm .what is the required torque to rotate the inner cylinder at 12 r/min .the outer cylinder remaining stationary? take u for Crude oil =71.8*10^-4 pa.sec

Ex2: Crude oil at 20 °C fills the space between two concentric cylinder 250 mm high and with diameters of 150 mm and 156mm .what is the required torque to rotate the inner cylinder at 12 r/min .the outer cylinder remaining stationary? take u for Crude oil =71.8*10^-4 pa.sec

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Properties of Fluids

The term fluid represents a type of substance that can easily change its shape under any external pressure/force and can flow. Fluids can acquire any shape in which it is stored and can resist normal stresses but cannot resist shear stress in rest condition. Whenever external shear stress is applied to fluids, it starts to flow. The fluids may be liquid or gas. Example- water, air, etc.

Question

Ex2: Crude oil at 20 °C fills the space between two concentric cylinder 250
mm high and with diameters of 150 mm and 156mm .what is the required
torque to rotate the inner cylinder at 12 r/min .the outer cylinder remaining
stationary? take u for Crude oil=71.8*10^-4 pa.sec
Sol:
N=12 r/min
150mm
250 mm
156 mm

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