2.1 A pipeline connects two reservoirs such that the total head between them, when water is being pumped from one to the other can be expressed as H-25+ (77,46Q where H is the total head (m) and Q is the discharge in m³/sec. The characteristic curve of the particular pump that can be used, is tabulated as follows: Head (m) 75 65 55 45 33 25 Discharge (m/sec) 0. 0,02 0,03 0,04 0,05 0,055 n (%) 70 80 70 50 30 Evaluate graphically the discharge, head and efficiency if: 2.1.1 One pump is used 2.1.2 Two pumps are used in series. 2.1.3 Two pumps are used in parallel.
2.1 A pipeline connects two reservoirs such that the total head between them, when water is being pumped from one to the other can be expressed as H-25+ (77,46Q where H is the total head (m) and Q is the discharge in m³/sec. The characteristic curve of the particular pump that can be used, is tabulated as follows: Head (m) 75 65 55 45 33 25 Discharge (m/sec) 0. 0,02 0,03 0,04 0,05 0,055 n (%) 70 80 70 50 30 Evaluate graphically the discharge, head and efficiency if: 2.1.1 One pump is used 2.1.2 Two pumps are used in series. 2.1.3 Two pumps are used in parallel.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Transcribed Image Text:QUESTION 02
2.1
A pipeline connects two reservoirs such that the total head between them, when
water is being pumped from one to the other can be expressed as H= 25+ (77,46Q
where H is the total head (m) and Q is the discharge in m³/sec. The characteristic
curve of the particular pump that can be used, is tabulated as follows:
Head (m)
75
65
55
45
33
25
Discharge (m³/sec)
0.
0,02
0,03
0,04
0,05
0,055
ŋ (%)
0.
70
80
70
50
30
Evaluate graphically the discharge, head and efficiency if:
2.1.1 One
pump
is used
2.1.2 Two pumps are used in series.
2.1.3 Two pumps are used in parallel.
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