Water from a reservoir is raised in a vertical tube of internal diameter D = 45 cm under the influence of the pulling force F of a piston. Determine the force needed to raise the water to a height of h = 1.5 m above the free surface. What would your response be for h = 3 m? Also, taking the atmospheric pressure to be 96 kPa, plot the absolute water pressure at the piston face as h varies from 0 to 3 m. h D Air Water

Fundamentals of Geotechnical Engineering (MindTap Course List)
5th Edition
ISBN:9781305635180
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Braja M. Das, Nagaratnam Sivakugan
Chapter7: Seepage
Section: Chapter Questions
Problem 7.1P
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Water from a reservoir is raised in a vertical tube of internal
diameter D = 45 cm under the influence of the pulling force F of
a piston. Determine the force needed to raise the water to a height
of h = 1.5 m above the free surface. What would your response
be for h = 3 m? Also, taking the atmospheric pressure to be 96
kPa, plot the absolute water pressure at the piston face as h varies
from 0 to 3 m.
D
Air
Water
Transcribed Image Text:F Water from a reservoir is raised in a vertical tube of internal diameter D = 45 cm under the influence of the pulling force F of a piston. Determine the force needed to raise the water to a height of h = 1.5 m above the free surface. What would your response be for h = 3 m? Also, taking the atmospheric pressure to be 96 kPa, plot the absolute water pressure at the piston face as h varies from 0 to 3 m. D Air Water
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