Q25:- Water is being pumped from the bottom of a well 150 ft deep at a rate of 50 gal/min through a pipe of 3.03 inch diameter, into an atmospheric storage tank 30 fl above the ground (water inside the well and in the storage tank are assumed stationary) A 2hp pump is used for pumping water, to prevent freezing in the winter a small heater added heat to water at a rate of 5000 Btu/min, total heat losses from the system= 1000 Btu/min.
Q25:- Water is being pumped from the bottom of a well 150 ft deep at a rate of 50 gal/min through a pipe of 3.03 inch diameter, into an atmospheric storage tank 30 fl above the ground (water inside the well and in the storage tank are assumed stationary) A 2hp pump is used for pumping water, to prevent freezing in the winter a small heater added heat to water at a rate of 5000 Btu/min, total heat losses from the system= 1000 Btu/min.
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:Q25:- Water is being pumped from the bottom of a well 150 ft deep at a rate of 50 gal/min
through a pipe of 3.03 inch diameter, into an atmospheric storage tank 30 ft above the
ground (water inside the well and in the storage tank are assumed stationary) A 2hp
pump is used for pumping water, to prevent freezing in the winter a small heater
added heat to water at a rate of 5000 Btu/min, total heat losses from the system= 1000
Btu/min.
Calculate: - (A) The velocity ft/sec at which water is flowing through the pipe.
(B) The total enthalpy change per min.
Given that ge=32.17 lbm.ft/lbf.sec?
1 ft=12inch
Ift-7.48 gal
pwater=62.4 lb/ft
1 Btu =252 Cal
1 Btu = 778 ft.lbf
1 hp 550 ft.lbf/sec
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