The system in the figure below consists of 1200m of 5 cm cast iron pipe (ɛ = 0.26 mm), two 45° and four 90° flanged long- radius elbows (k45° elbow = 0.2, k90° elbow 0.3), a fully open flanged globe valve (kglobe valve = 8.5), and a sharp exit (kexit = 1) into a reservoir. If the elevation at point 1 is 400 m, what gage pressure is required at point 1 to deliver 0.005 m3/s of water into the reservoir? Take p = 1000 kg/m3, µ = 0.001 kg/m.s and kentrance = 0.5.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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The system in the figure below consists of
1200 m of 5 cm cast iron pipe (ɛ = 0.26
mm), two 45° and four 90° flanged long-
radius elbows (k45° elbow = 0.2, k90° elbow =
0.3), a fully open flanged globe valve (kglobe
valve = 8.5), and a sharp exit (kexit = 1) into a
reservoir. If the elevation at point 1 is 400
m, what gage pressure is required at point 1
to deliver 0.005 m³/s of water into the
reservoir? Takep = 1000 kg/m3, µ = 0.001
kg/m.s and kentrance = 0.5.
%3D
Elevation
500 m
Sharp
exit
45°
Open
globe
45°
Select one:
O a. 3.75 MPa
O b. 3.47 MPa
О с. 3.2 МPа
O d. 3.8 MPа
Transcribed Image Text:The system in the figure below consists of 1200 m of 5 cm cast iron pipe (ɛ = 0.26 mm), two 45° and four 90° flanged long- radius elbows (k45° elbow = 0.2, k90° elbow = 0.3), a fully open flanged globe valve (kglobe valve = 8.5), and a sharp exit (kexit = 1) into a reservoir. If the elevation at point 1 is 400 m, what gage pressure is required at point 1 to deliver 0.005 m³/s of water into the reservoir? Takep = 1000 kg/m3, µ = 0.001 kg/m.s and kentrance = 0.5. %3D Elevation 500 m Sharp exit 45° Open globe 45° Select one: O a. 3.75 MPa O b. 3.47 MPa О с. 3.2 МPа O d. 3.8 MPа
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