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ChemE3230_PS6 - selections in the attachment would you...

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ChemE 3230 (Spring 2011) Problem Set #6 (Due by 04/08/2011) 1.0 You must select a pump to transfer an organic liquid between two vessels, each at a pressure of 10 psia, at a rate of 1000 gpm. The viscosity of the liquid is 5 cP, S.G. of 0.87 and the piping system connecting the two vessels contains 1000ft of 8 in. sch 40 pipe, four globe valves, 16 gate valves, and 43 standard 90 o elbows. The discharge end of the piping is 30 ft. above the entrance. (a) What pump head is required? (b) Which combination of pump size, motor speed, and impeller from the
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Unformatted text preview: selections in the attachment would you choose to for this application? (c) For the pump selected, what motor horsepower would you specify to drive it? (d) If the vapor pressure of the liquid is 5 psia, and the pump is positioned above the source (upstream) vessel, how high above the liquid level in the vessel can the selected pump be located without cavitating? (35 points) 2.0 Denn 8.2 (25 points) 3.0 Denn 8.4 (25 points) 4.0 Denn 8.8 (35 points)...
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