(a) Glycerine at 25 °C flows through a straight copper tube (D = 73.8 mm), at a flow rate of 180 L/min. Calculate the pressure difference between 2 points which are 25.8 m apart, if the first point is 0.68 m below the second point. Gven: At 25 °C density and dynamic viscosity for glycerine is 1286 kg/ and 0.96 Pa.s respectively (b) If benzene at 50 °C is used in question (a) above instead of glycerine, evaluate the new pressure difference.
(a) Glycerine at 25 °C flows through a straight copper tube (D = 73.8 mm), at a flow rate of 180 L/min. Calculate the pressure difference between 2 points which are 25.8 m apart, if the first point is 0.68 m below the second point. Gven: At 25 °C density and dynamic viscosity for glycerine is 1286 kg/ and 0.96 Pa.s respectively (b) If benzene at 50 °C is used in question (a) above instead of glycerine, evaluate the new pressure difference.
Fundamentals of Geotechnical Engineering (MindTap Course List)
5th Edition
ISBN:9781305635180
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Braja M. Das, Nagaratnam Sivakugan
Chapter7: Seepage
Section: Chapter Questions
Problem 7.1P
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(a) Glycerine at 25 °C flows through a straight copper tube (D = 73.8 mm), at a flow rate of 180 L/min. Calculate the pressure difference between 2 points which are 25.8 m apart, if the first point is 0.68 m below the second point. Gven: At 25 °C density and dynamic viscosity for glycerine is 1286
kg/ and 0.96 Pa.s respectively
(b) If benzene at 50 °C is used in question (a) above instead of glycerine, evaluate the new pressure difference.
...
Transcribed Image Text:(a) Glycerine at 25 °C flows through a straight copper tube (D = 73.8
mm), at a flow rate of 180 L/min. Calculate the pressure difference
between 2 points which are 25.8 m apart, if the first point is 0.68 m
below the second point.
%3D
Given: At 25 °C density and dynamic viscosity for glycerine is 1286
kg/m³ and 0.96 Pa.s respectively.
(b) If benzene at 50 °C is used in question (a) above instead of
glycerine, evaluate the new pressure difference.
Given, at 50 °C density and dynamic viscosity for benzene is 860
kg/m² and 4.2X10ª Pa.s respectively.
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