4. Two reservoirs, A and B, are connected by a pipeline which is 1300 m long. The surface of reservoir B is 10 m lower than that of reservoir A. There is a small hill between the two reservoirs with the highest point at 500 m along the pipe from A. If the pipeline has a diameter of 300 mm and a friction factor of A = 0.008 then determine the following: (Ignore the minor losses and assume that the pipe is already flowing full and at a steady flow) (a) The flow in the pipe (b) If the lowest permissible absolute pressure head in the pipeline is 2.5 m of water, determine how high above reservoir A surface level the pipe can be laid so that the minimum pressure condition is satisfied. (Assume atmospheric pressure of 105 Pa.)

4. Two reservoirs, A and B, are connected by a pipeline which is 1300 m long. The surface of reservoir B is 10 m lower than that of reservoir A. There is a small hill between the two reservoirs with the highest point at 500 m along the pipe from A. If the pipeline has a diameter of 300 mm and a friction factor of A = 0.008 then determine the following: (Ignore the minor losses and assume that the pipe is already flowing full and at a steady flow) (a) The flow in the pipe (b) If the lowest permissible absolute pressure head in the pipeline is 2.5 m of water, determine how high above reservoir A surface level the pipe can be laid so that the minimum pressure condition is satisfied. (Assume atmospheric pressure of 105 Pa.)

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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Applied Fluid Mechanics

A fluid is a substance that is continuously deformed by the application of shear stress. The rate of deformation of a fluid depends on its viscosity. The fluid tries to flow when it interacts with some other system.

Question

4. Two reservoirs, A and B, are connected by a pipeline which is
1300 m long. The surface of reservoir B is 10 m lower than that of
reservoir A. There is a small hill between the two reservoirs with the
highest point at 500 m along the pipe from A. If the pipeline has a
diameter of 300 mm and a friction factor of λ = 0.008 then
determine the following:
(Ignore the minor losses and assume that the pipe is already flowing
full and at a steady flow)
(a) The flow in the pipe
(b) If the lowest permissible absolute pressure head in the pipeline is
2.5 m of water, determine how high above reservoir A surface level
the pipe can be laid so that the minimum pressure condition is
satisfied.
(Assume atmospheric pressure of 105 Pa.)

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Step 1: Given data

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Step 2: a. To find the flow rate: Use the Darcy-Weisbach equation: hf = f(L/D)*(v^2/2g) Where hf is head lo

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Step 3: b. minimum pressure head of 2.5 m

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