Underground water is to be transported to an overhead tank at a rate of 2000 L/hour by a pump whose free surface is X m above the underground water level (see Figure 2). The diameter of the pipe is 6 cm on both the intake and the discharge sides. Select an appropriate pump (power, kW) from the table given below and determine the efficiency of the system. State why the pump you selected is the most appropriate. Assume there are no friction losses, and the effect of the kinetic energy correction factor is negligible. (Given: Density of water = 1000 kg/m³ and g=9.81 ms-²) Take the last 3 digits of your student ID as X (see Figure-2). (For Example: If your Student ID is 218360568, last 3 digits=0568, X=568 m) The pump must be selected from the table, given below, appropriately to get maximum efficiency.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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Underground water is to be transported to an overhead tank at a rate of 2000 L/hour by a pump whose free
surface is X m above the underground water level (see Figure 2). The diameter of the pipe is 6 cm on both
the intake and the discharge sides. Select an appropriate pump (power, kW) from the table given below and
determine the efficiency of the system. State why the pump you selected is the most appropriate. Assume
there are no friction losses, and the effect of the kinetic energy correction factor is negligible. (Given: Density
of water = 1000 kg/m³ and g=9.81 ms-²)
Take the last 3 digits of your student ID as X (see Figure-2).
(For Example: If your Student ID is 218360568, last 3 digits=0568, X=568 m)
The pump must be selected from the table, given below, appropriately to get maximum efficiency.
Transcribed Image Text:3 Underground water is to be transported to an overhead tank at a rate of 2000 L/hour by a pump whose free surface is X m above the underground water level (see Figure 2). The diameter of the pipe is 6 cm on both the intake and the discharge sides. Select an appropriate pump (power, kW) from the table given below and determine the efficiency of the system. State why the pump you selected is the most appropriate. Assume there are no friction losses, and the effect of the kinetic energy correction factor is negligible. (Given: Density of water = 1000 kg/m³ and g=9.81 ms-²) Take the last 3 digits of your student ID as X (see Figure-2). (For Example: If your Student ID is 218360568, last 3 digits=0568, X=568 m) The pump must be selected from the table, given below, appropriately to get maximum efficiency.
Xm
———
Patm
+
THE
Table: Pump available
Centrifugal Pump Power
(kW)
0.5
2.0
2.5
5.0
7.5
10
12.5
15
16
18
20
22
25
口
Figure 2 (not to scale)
Transcribed Image Text:Xm ——— Patm + THE Table: Pump available Centrifugal Pump Power (kW) 0.5 2.0 2.5 5.0 7.5 10 12.5 15 16 18 20 22 25 口 Figure 2 (not to scale)
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