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Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN: 9781259696527
Author: J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher: McGraw-Hill Education
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
Transcribed Image Text:Problem 1. A feed rate of 200 gpm of a hydrocarbon mixture at 70°C is being pumped from
a tank at 1 atm abs pressure to a distillation tower. The density of the feed is 46.8 lbm/ft and its vapor
is 8.45 psia. The velocity in the inlet line to the pump is 3 ft/s and the friction loss in the suction
line is 3.5 ft. The net positive suction head required is 6 ft. (a) Find the available net positive suction
head if the pump is at the same level as the surface of liquid in the reservoir. (b) What is the maximum
pressure
height of the pump relative to the level of the tank before cavitation becomes likely?
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