
Elements Of Electromagnetics
7th Edition
ISBN: 9780190698614
Author: Sadiku, Matthew N. O.
Publisher: Oxford University Press
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Question
Do for ARAU - GROUP 1, GROUP 5.

Transcribed Image Text:Your company has been assigned to evaluate two pumps; Pump Megatron and Pump
Omicron to be used at various locations in this country to pump water from one large reservoir
to another large reservoir that is at a higher elevation as shown in Figure 1. The free surfaces
of both reservoirs are exposed to atmospheric pressure.
The piping system specifications at the various locations are provided in Table 1.
W
²2-71
(1)
V₁ = 0
Reservoir
-Z1
St
Valve
Pump
-D
Figure 1: Water pump with piping system
V₂ = 0
Reservoir

Transcribed Image Text:Table 1: Dimensions and minor loss coefficients for piping system
LOCATION
Pipe Diameter, D(cm)
Roughness, (mm)
KL inlet
KL. valve
KL. elbow
KL exit
Total pipe length, L(m)
Elevation difference,
Zz-Z₁(m)
ARAU BENTONG CHEMOR
For:
ARAU - GROUP 1, GROUP 5
BENTONG-GROUP 2, GROUP 6
CHEMOR - GROUP 3, GROUP 7
DUNGUN - GROUP 4, GROUP 8
2.03
0.25
0.50
17.5
0.92
1.05
176
7
Using Microsoft Excel:
2.03
0.25
0.50
18
0.90
1.05
180
9
2.03
0.25
0.50
18.5
0.88
1.05
185
18
DUNGUN
As such, your company has divided you into different groups to evaluate the pumps at the
different locations.
The performance data for Pump Megatron and Pump Omicron are given below.
2.03
0.25
0.50
19
0.86
1.05
190
18
1. For Pump Megatron, the pump performance is approximated by the expression:
Havailable = Ho-aQ²
Ho = 24.4
a = 0.0678 m/Lpm²
By varying Q from 0 Lpm to 20 Lpm, plot the Hrequired and Havailable on a clearly labeled graph
and determine the operating head and flow rate.
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How to find H available and H required? Using what formula? Briefly explain the calculation part.
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How to find H available and H required? Using what formula? Briefly explain the calculation part.
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