50 NPSHR 1 pie 2 pies 3 pies 40-48 40 40 30 20 20 6 1/16 pulg 5 1/2 pulg 5 pulg 4 1/2 pulg Carga total (pies) 10 • 20 нь х 0 54 59 63 0 20 02 008 20 40 40 66 68 88 69 65 HP 60 60 80 1000 68 4 pies 66 69 54 59 63 HP 100 1 HP Capacidad (gal/min) 1HP 120 140 160

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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Question

(Fig. 1) shows the performance of a centrifugal pump for various diameters of the
impeller. For such a pump with a 5" diameter impeller, what power, in hp, would be expected to supply 5 L/s?

what is its efficiency, in %?

A pumping system requires 6 L/s of water with a load of 8 m, which of the pumps
of (fig. 1) would you recommend for this application?;


50
NPSHR
1 pie
2 pies
3 pies
40-48
40
40
30
20
20
6 1/16 pulg
5 1/2 pulg
5 pulg
4 1/2 pulg
Carga total (pies)
10
• 20 нь х
0
54 59 63
0
20
02
008
20
40
40
66
68
88
69
65
HP
60
60
80
1000
68
4 pies
66
69
54
59
63
HP
100
1 HP
Capacidad (gal/min)
1HP
120
140
160
Transcribed Image Text:50 NPSHR 1 pie 2 pies 3 pies 40-48 40 40 30 20 20 6 1/16 pulg 5 1/2 pulg 5 pulg 4 1/2 pulg Carga total (pies) 10 • 20 нь х 0 54 59 63 0 20 02 008 20 40 40 66 68 88 69 65 HP 60 60 80 1000 68 4 pies 66 69 54 59 63 HP 100 1 HP Capacidad (gal/min) 1HP 120 140 160
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