A pump draws 71 gal/min of a liquid solution having a density of 114.8 lb/ft³ from an open storage feed tank with a large cross sectional area through a 3.068 in ID suction line. The pump discharges its flow through a 2.067 in ID line to an open overhead tank. The end of the discharge line is 50 ft above the level of the liquid in the feed tank as shown in Figure. The friction losses in the piping system are EF = 10.7 ft.lb/lb. What actual work required for this pump? What pressure must the pump develop and what is the horsepower of the pump if its efficiency is 70%? The flow is turbulent. Note: 1 ft³=7.481 gal; ft = 12 in; hP = 550 ft.lbi/s -3.068 in. 50 ft -2.067 in.
A pump draws 71 gal/min of a liquid solution having a density of 114.8 lb/ft³ from an open storage feed tank with a large cross sectional area through a 3.068 in ID suction line. The pump discharges its flow through a 2.067 in ID line to an open overhead tank. The end of the discharge line is 50 ft above the level of the liquid in the feed tank as shown in Figure. The friction losses in the piping system are EF = 10.7 ft.lb/lb. What actual work required for this pump? What pressure must the pump develop and what is the horsepower of the pump if its efficiency is 70%? The flow is turbulent. Note: 1 ft³=7.481 gal; ft = 12 in; hP = 550 ft.lbi/s -3.068 in. 50 ft -2.067 in.
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:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Transcribed Image Text:Q4/
A pump draws 71 gal/min of a liquid solution having a density of 114.8 lb/ft³ from an open storage feed
tank with a large cross sectional area through a 3.068 in ID suction line. The pump discharges its flow
through a 2.067 in ID line to an open overhead tank. The end of the discharge line is 50 ft above the
level of the liquid in the feed tank as shown in Figure. The friction losses in the piping system are {F =
10.7 ft.lb,/lb. What actual work required for this pump? What pressure must the pump develop and
what is the horsepower of the pump if its efficiency is 70%? The flow is turbulent.
Note: 1 ft³=7.481 gal; ft = 12 in; hP = 550 ft.lb₁/s
3.068 in.
T
50 ft
-2.067 in.
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