The pump is mounted 2.0 m above the water level. There is a 50 mm PVC pipe connected to the suction side of the pump, and a 40 mm PVC pipe connected to the discharge side. The total length of pipe on the suction side is 8 m, and there is a strainer (K = 20), a non-return valve, a 90° elbow and a fully open gate ball valve in the suction line. Another fully open gate valve, and two 90° elbows are mounted in the discharge line. The total length of the discharge line is 60 m, and the discharge pipe outlet is 4 m above the pump. You may assume a water temperature of 25 °C. Determine: (a) The flow rate through the s
A pump, for which the characteristic curve is shown below, is used to pump water from a canal into a dam. The pump is mounted 2.0 m above the water level. There is a 50 mm PVC pipe connected to the suction side of the pump, and a 40 mm PVC pipe connected to the discharge side. The total length of pipe on the suction side is 8 m, and there is a strainer (K = 20), a non-return valve, a 90° elbow and a fully open gate ball valve in the suction line. Another fully open gate valve, and two 90° elbows are mounted in the discharge line. The total length of the discharge line is 60 m, and the discharge pipe outlet is 4 m above the pump. You may assume a water temperature of 25 °C. Determine:
(a) The flow rate through the system
(b) The required fluid power
(c) The efficiency of the pump
(d) Whether the pump will cavitate or not.
![10
20
IMgpm
30
20
15
H
m
10
-0145,5
mh
10
05
1.0
Vs
2,5
0145,5
NPSHR
1.26
1,2
kW 1.1
1,0
0145,5
Q m/h
10
1000 ka/m](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa2f0397d-6e37-4bc8-a063-97815b1f1672%2Fdc705223-3b14-4e1e-b66d-275bcd980ae8%2Fy0o52t_processed.png&w=3840&q=75)
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