A pump draws water from reservoir A and lifts it to a higher reservoir B, as shown in Figure P4.2.6. The head loss from A to the pump is four times the velocity head in the 10cm pipe, and the head loss from the pump to B is seven times the velocity head. The pressure head at the inlet of the pump is -6m . Compute the pressure head the pump must deliver. Why is the pressure head the pump must deliver greater than 50m , the elevation difference between the two reservoirs? Draw the EGL and HG

Structural Analysis
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ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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A pump draws water from reservoir A and lifts it to a higher reservoir B, as shown in Figure P4.2.6. The
head loss from A to the pump is four times the velocity head in the 10cm pipe, and the head loss from
the pump to B is seven times the velocity head. The pressure head at the inlet of the pump is -6m .
Compute the pressure head the pump must deliver. Why is the pressure head the pump must deliver
greater than 50m , the elevation difference between the two reservoirs? Draw the EGL and HGL

4 m
B
50 m
4 m
Pump
A
Figure P4.2.6
Transcribed Image Text:4 m B 50 m 4 m Pump A Figure P4.2.6
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