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. (4) What is the efficiency for the selected impeller? _________ A.approximate 69% B.approximate 62% C.below 53% D.approximate 67% Shown in the Figure is the complete pump performance chart for a 3x4-10 centrifugal pumpat 1750 rpm. The centrifugal pump must deliver at least 200 gal/min of water at the total headof 50 ft.(4) What is the efficiency for the selected impeller?Impeller diameter10 inTotal head (m)(w) HIN353025201510110100909 inTotal head (ft)88888:NPSH, (f)80708 in6050406 in302010010.07.55.02.57 in02543 5343200-61-1.5 HPO A approximate 69%O B. approximate 62%O C. below 53%O D. approximate 67%40065Impeller6960071 72 73 73.96 in533 HP7 in-2 HP50 75 100 125 150 175 200 225 250 275 300 325 350 375 400 425SHP800Capacity (L/min)10008 in737212000 25 50 75 100 125 150 175 200 225 250 275 300 325 350 375 400 425Capacity (gal/min)717.5 HP9 in3x4-101750 RPM14006910 HP10 in1600

Given question: Shown in the Figure is the complete pump performance chart for a 3×4-10 centrifugal…

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

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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.

(4) What is the efficiency for the selected impeller? _________

A.

approximate 69%

B.

approximate 62%

C.

below 53%

D.

approximate 67%

Shown in the Figure is the complete pump performance chart for a 3x4-10 centrifugal pump
at 1750 rpm. The centrifugal pump must deliver at least 200 gal/min of water at the total head
of 50 ft.
(4) What is the efficiency for the selected impeller?
Impeller diameter
10 in
Total head (m)
(w) HIN
35
30
25
20
15
10
110
100
909 in
Total head (ft)
88888:
NPSH, (f)
80
708 in
60
50
406 in
30
20
10
0
10.0
7.5
5.0
2.5
7 in
0
25
43 53
43
200
-61-
1.5 HP
O A approximate 69%
O B. approximate 62%
O C. below 53%
O D. approximate 67%
400
65
Impeller
69
600
71 72 73 73.9
6 in
53
3 HP
7 in
-2 HP
50 75 100 125 150 175 200 225 250 275 300 325 350 375 400 425
SHP
800
Capacity (L/min)
1000
8 in
73
72
1200
0 25 50 75 100 125 150 175 200 225 250 275 300 325 350 375 400 425
Capacity (gal/min)
71
7.5 HP
9 in
3x4-10
1750 RPM
1400
69
10 HP
10 in
1600

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