Environmental Enginee... During a recuperative test, the water is pumped out 2.8 m initially and allowed to recuperate. It was observed that the water level rises by 1.45m in 80 minutes. If the diameter of the well is 3.45m, determine by what amount the diameter need to be increased to get a yield of 5 litre per sec under a depression head of 1.65m.

Principles of Geotechnical Engineering (MindTap Course List)
9th Edition
ISBN:9781305970939
Author:Braja M. Das, Khaled Sobhan
Publisher:Braja M. Das, Khaled Sobhan
Chapter8: Seepage
Section: Chapter Questions
Problem 8.11P
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Environmental Enginee...
During a recuperative test, the water is
pumped out 2.8 m initially and allowed to
recuperate. It was observed that the water
level rises by 1.45m in 80 minutes. If the
diameter of the well is 3.45m, determine
by what amount the diameter need to be
increased to get a yield of 5 litre per sec
under a depression head of 1.65m.
Transcribed Image Text:Environmental Enginee... During a recuperative test, the water is pumped out 2.8 m initially and allowed to recuperate. It was observed that the water level rises by 1.45m in 80 minutes. If the diameter of the well is 3.45m, determine by what amount the diameter need to be increased to get a yield of 5 litre per sec under a depression head of 1.65m.
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