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Question: what pressure will be needed over the fluid to produce...

Question details
What pressure will be needed over the fluid to produce the requisite flow?
Note: the answer is 55.8kPa


An oil flow rate of 0.012 m3/s is required in an industrial process. The flow system includes a pressure tank pushing the oil through 200 m of new ductile iron pipe (DIP; 15 cm diameter, square-edged entrance) to point 2 (atmospheric pressure) as shown in Figure P3.11.11. The sur- face of the fluid in the tank (point 1) is at elevation 100 m and the end of the pipe (point 2) is at elevation 106 m. What air pressure will be needed over the fluid to produce the requisite flow? (S.G. (oil)0.84, 2.03 x 10-6 m2/s, and e 0.00012 m.) Air Figure P3.11.11
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