Shown in the Figure is the complete pump performance chart for a 3×4-10 centrifugal pump at 1750 rpm. The centrifugal pump must deliver at least 200 gal/min of water at the total head of 50 ft. (1) Which impeller should be selected? _________ A.9 in B.8 in C.7 in D.10 in Shown in the Figure is the complete pump performance chart for a 3×4-10 centrifugal pumpat 1750 rpm. The centrifugal pump must deliver at least 200 gal/min of water at the totalhead of 50 ft.(1) Which impeller should be selected?Impeller diameter10 inTotal head (m)NPSH, (m)353025201510MN-O110100NPSH, (1)8 8 8909 in80Total head (ft)82018 in6050406 in3020S10010.07.5ū5.02.507 inO A 9 inOB. 8 inO C.7 inO D. 10 in0043 5343200-611.5 HP.40065 609Impeller 6 in.7160072 73 73.9533 HP-7 in5 HP800Capacity (L/min)10002 HP25 50 75 100 125 150 175 200 225 250 275 300 325 350 375 400 4258 in73721200<63717.5 HP25 50 75 100 125 150 175 200 225 250 275 300 325 350 375 400 425Capacity (gal/min)-9 in-3x4-101750 RPM14006910 HP-10 in1600

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Answered: Shown in the Figure is the complete…

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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Shown in the Figure is the complete pump performance chart for a 3×4-10 centrifugal pump at 1750 rpm. The centrifugal pump must deliver at least 200 gal/min of water at the total head of 50 ft.

(1) Which impeller should be selected? _________

A.

9 in

B.

8 in

C.

7 in

D.

10 in

Shown in the Figure is the complete pump performance chart for a 3×4-10 centrifugal pump
at 1750 rpm. The centrifugal pump must deliver at least 200 gal/min of water at the total
head of 50 ft.
(1) Which impeller should be selected?
Impeller diameter
10 in
Total head (m)
NPSH, (m)
35
30
25
20
15
10
MN-O
110
100
NPSH, (1)
8 8 8
909 in
80
Total head (ft)
8
2018 in
60
50
406 in
30
20
S
10
0
10.0
7.5
ū
5.0
2.5
0
7 in
O A 9 in
OB. 8 in
O C.7 in
O D. 10 in
0
0
43 53
43
200
-61
1.5 HP.
400
65 609
Impeller 6 in.
71
600
72 73 73.9
53
3 HP-
7 in
5 HP
800
Capacity (L/min)
1000
2 HP
25 50 75 100 125 150 175 200 225 250 275 300 325 350 375 400 425
8 in
73
72
1200
<63
71
7.5 HP
25 50 75 100 125 150 175 200 225 250 275 300 325 350 375 400 425
Capacity (gal/min)
-9 in-
3x4-10
1750 RPM
1400
69
10 HP
-10 in
1600

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