The following figure shows a pump that extracts water from a reservoir with a volumetric discharge rate of Q L/s. Assume all losses are negligible. a) What would be the pressure at points A and B, when the pump-motor system extracts P kW from the electric grid. The combined efficiency of the pump-motor system is 60%. b) Draw the Energy Grade Line (EGL) and Hydraulic Grade Line (HGL) for this system. Q = 0.055 L/s; P = 20 kW B 1.2 m Atmosphere 3.0 m Diameter: 10 cm A Pump Diameter: 15 cm

The following figure shows a pump that extracts water from a reservoir with a volumetric discharge rate of Q L/s. Assume all losses are negligible. a) What would be the pressure at points A and B, when the pump-motor system extracts P kW from the electric grid. The combined efficiency of the pump-motor system is 60%. b) Draw the Energy Grade Line (EGL) and Hydraulic Grade Line (HGL) for this system. Q = 0.055 L/s; P = 20 kW B 1.2 m Atmosphere 3.0 m Diameter: 10 cm A Pump Diameter: 15 cm

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

The following figure shows a pump that extracts water from a reservoir with a volumetric
discharge rate of Q L/s. Assume all losses are negligible.
a) What would be the pressure at points A and B, when the pump-motor system extracts
P kW from the electric grid. The combined efficiency of the pump-motor system is
60%.
b) Draw the Energy Grade Line (EGL) and Hydraulic Grade Line (HGL) for this
system.
Q = 0.055 L/s; P= 20 kW
B
1.2 m
Atmosphere
C
3.0 m
Diameter: 10 cm
Pump
Diameter: 15 cm

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