L V: * 29 Pg p.V.D +2 + hearbing + hg roplam Re = -1.8 log Re hgzoplam= hsarekli + hgyeret pompa ENPY - -ana) H =(r,Va - ar, V) N pompa girisl From the experiments performed on the pump (pump A) in a laboratory, the following values at the best efficiency point were obtained; DA = 15 cm, H, = 240 cm, V = 15 nA = 1800 rev / minute and ve nApomp = 0,91. %3D PA = 998 Hg = 610 cm,pg =998 ve v- 4100 It would be desirable to design a new pump (pump B) with values. Accordingly, which of the following is the revolution number of the new pump? 2051 rev / minute 2512 rev / minute
L V: * 29 Pg p.V.D +2 + hearbing + hg roplam Re = -1.8 log Re hgzoplam= hsarekli + hgyeret pompa ENPY - -ana) H =(r,Va - ar, V) N pompa girisl From the experiments performed on the pump (pump A) in a laboratory, the following values at the best efficiency point were obtained; DA = 15 cm, H, = 240 cm, V = 15 nA = 1800 rev / minute and ve nApomp = 0,91. %3D PA = 998 Hg = 610 cm,pg =998 ve v- 4100 It would be desirable to design a new pump (pump B) with values. Accordingly, which of the following is the revolution number of the new pump? 2051 rev / minute 2512 rev / minute
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
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Transcribed Image Text:L V2
hk.sürekli= f-5°2g
+ az
Pg
+ z, + hpompa.s =
Pg
P2
2+z + hearbin,s + hg,toplam Re =
p.V.D
1 2g
6.9
a-1.8 log
Re
hKyerel EK
hk toplam= hx sürekli + hg verel Wmit =
Протра
ENPY = + zg) pompa girişi
- wr, V4)
H =
Nsp =
V= 2r,b, V1,m = 2nrzb,V2n
Wmila
%3D
WA
From the experiments performed on the pump
(pump A) in a laboratory, the following values at the
best efficiency point were obtained;
cm
DA = 15 cm, H = 240 cm, V = 1500 , PA = 998 *9
nA = 1800 rev / minute and ve
NApompa
= 0,91.
HB = 610 cm, pB = 998 K9 ve ý= 4100 Cm
It would be desirable to design a new pump (pump B)
with values. Accordingly, which of the following is the
revolution number of the new pump?
2051 rev / minute
O 2512 rev / minute
O 2196 rev / minute
O 2378
rev / minute
1969
rev / minute
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