Show in Figure 1 is the water flow system. The velocity head difference is = 2.0m. Volume flow rate is 2g 0.5 m³/s. The heights are h1=1.0 m and h2=2.0 m, respectively. The power output from the motor is P=7.848 kW, e = 80%. The energy added by the pump is h = 3.0m. The energy loss between point 1 A 0 and 2 is h = 0.2 m. 3) Select the correct expression of the pressure head difference between point 1 and 2 0 v²-v², 2 1 M, motor 1 2g O v²-1²₂ 2g 01²₁-1²₂2 2g 2g Motor Pump •+h2-h₂ +h+h₁ R -h Valve A Flow L +h2+h-h₂-h₂ R (h1+h2) + h +h-he-h₂ A R L h1 h2 Motor P₂ P₁ 7

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Show in Figure 1 is the water flow system. The velocity head difference is  .  Volume flow rate is  .  The heights are   and  , respectively.  The power output from the motor is  ,  . The energy added by the pump is  . The energy loss between point 1 and 2 is  .

3)  Select the correct expression of the pressure head difference between point 1 and 2     ___________

 

 

   

  

   

  

   

  

   

 

1²₁-1²2
2.0m. Volume flow rate is
Show in Figure 1 is the water flow system. The velocity head difference is
2g
0.5 m³/s. The heights are h1=1.0 m and h2=2.0 m, respectively. The power output from the motor is
= 80%. The energy added by the pump is h = 3.0 m. The energy loss between point 1
А
P=7.848 kW, e,
and 2 is h = 0.2 m.
L
3) Select the correct expression of the pressure head difference between point 1 and 2
01²2-12²1
2g
ܕܐ ܀ 2
1
2g
V
2
2
0²-²3
1
2g
1
2
ܕ?vai-v
2g
2
M, motor
2
2
Motor
Pump
Valve
+h2-h₁+h+h
R
h
Flow
+h2+h-h-h₂
R
- (h1+h2) +h, -h-
A
-hR-hL
h1
h2
Motor
P₁₂ P₁
Transcribed Image Text:1²₁-1²2 2.0m. Volume flow rate is Show in Figure 1 is the water flow system. The velocity head difference is 2g 0.5 m³/s. The heights are h1=1.0 m and h2=2.0 m, respectively. The power output from the motor is = 80%. The energy added by the pump is h = 3.0 m. The energy loss between point 1 А P=7.848 kW, e, and 2 is h = 0.2 m. L 3) Select the correct expression of the pressure head difference between point 1 and 2 01²2-12²1 2g ܕܐ ܀ 2 1 2g V 2 2 0²-²3 1 2g 1 2 ܕ?vai-v 2g 2 M, motor 2 2 Motor Pump Valve +h2-h₁+h+h R h Flow +h2+h-h-h₂ R - (h1+h2) +h, -h- A -hR-hL h1 h2 Motor P₁₂ P₁
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