Ex. 1.13] A pump draws water from reservoir A and lifts it to reservoir B as shown in the figure. The loss of head from A to 1 is three times the velocity head in the 15.24-cm pipe and loss of head from 2 to B is 20 times the velocity head in the 101.6-mm pipe. The pump discharge rate is 40 Ips. Determine the following: a) Pump head b) Pump theoretical power c) Pump brake power if the pump efficiency is 78%

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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Ex. 1.13] A pump draws water from reservoir A and lifts it to reservoir B as shown in the
figure. The loss of head from A to 1 is three times the velocity head in the 15.24-cm pipe
and loss of head from 2 to B is 20 times the velocity head in the 101.6-mm pipe. The pump
discharge rate is 40 Ips. Determine the following:
a) Pump head
b) Pump theoretical power
c) Pump brake power if the pump efficiency is 78%
d) Pressure head at point 1
e) Pressure head at point 2
Given: Pump system shown
Q = 40 Ips
HA = 3
%3D
2g
Zg = 36 m
H = 20
29
%3D
ZA = 6 m
D; = 15.24 cm
Dz = 101.6 mm
Required:
Pump
We
a) TDH
b) Pump WP
c) BP if pump efficiency is 78%
d) Pressure head at point 1
e) Pressure head at point 2
Transcribed Image Text:Ex. 1.13] A pump draws water from reservoir A and lifts it to reservoir B as shown in the figure. The loss of head from A to 1 is three times the velocity head in the 15.24-cm pipe and loss of head from 2 to B is 20 times the velocity head in the 101.6-mm pipe. The pump discharge rate is 40 Ips. Determine the following: a) Pump head b) Pump theoretical power c) Pump brake power if the pump efficiency is 78% d) Pressure head at point 1 e) Pressure head at point 2 Given: Pump system shown Q = 40 Ips HA = 3 %3D 2g Zg = 36 m H = 20 29 %3D ZA = 6 m D; = 15.24 cm Dz = 101.6 mm Required: Pump We a) TDH b) Pump WP c) BP if pump efficiency is 78% d) Pressure head at point 1 e) Pressure head at point 2
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