5) Water is pumped at a constant rate of 10 m³/h from a large reservoir resting on the floor to the open top of an absorption tower. The point of discharge is 6 m above the floor, and the frictional losses in the 40-mm pipe from the reservoir to the tower amount to 4 J/kg. At what height in the reservoir must the water level be kept if the pump can develop only 0.12 kW?
5) Water is pumped at a constant rate of 10 m³/h from a large reservoir resting on the floor to the open top of an absorption tower. The point of discharge is 6 m above the floor, and the frictional losses in the 40-mm pipe from the reservoir to the tower amount to 4 J/kg. At what height in the reservoir must the water level be kept if the pump can develop only 0.12 kW?
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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INSTRUCTIONS: Solve theproblems neatly and systematically. Use free-floating decimals in all your calculations and in expressing your answers. Box your final answers
KINDLY FOLLOW THIS FORMAT GIVE,REQUIRED,SOLUTION
ADDITIONAL: USE THE OTHER PICTURE AS BASIS FORMULA IF NEEDED IN YOUR SOLUTION THANK YOU
Transcribed Image Text:5) Water is pumped at a constant rate of 10 m³/h from a large reservoir resting on the floor to the
open top of an absorption tower. The point of discharge is 6 m above the floor, and the
frictional losses in the 40-mm pipe from the reservoir to the tower amount to 4 J/kg. At what
height in the reservoir must the water level be kept if the pump can develop only 0.12 kW?
Transcribed Image Text:DEVELOPED HEAD:
Bernoulli Equation:
(P2, azV?
+
2gc
a,V?
+ 21°
2gc
Притр Wpитр
+ z2
P2
gc
The quantities in parenthesis are called TOTAL HEADS and are denoted by H.
Therefore: Wp
Нь-На
AH
POWER REQUIREMENT:
PB = m Wp = m AH
Pr
%3D
EDIFICA
where:
Pa, Po = pressure at the suction and discharge lines
V = velocity
H = total head
Ps = the power supplied to the pump
Z = height above the datum plane
P: = the power delivered to the fluid
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