In a falling head permeability test the initial head of 1.0m dropped to 0.35 m in 3 hours, the diameter of the stand pipe being 5 mm. The soil specimen was 200 mm long and of 100 mm diameter. The coefficient of permeability of the soil is: (A) 4.86 ×10-5 cm/s (B) 4.86 x 10-6cm/s (C) 4.86 x 105cm/s (D) 4.86 x106 cm/s

Fundamentals of Geotechnical Engineering (MindTap Course List)
5th Edition
ISBN:9781305635180
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Braja M. Das, Nagaratnam Sivakugan
Chapter6: Hydraulic Conductivity
Section: Chapter Questions
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Geotechnical
In a falling head permeability test the initial head of 1.0m dropped
to 0.35 m in 3 hours, the diameter of the stand pipe being 5 mm.
The soil specimen was 200 mm long and of 100 mm diameter. The
coefficient of permeability of the soil is:
2.
(A) 4.86 x10-5 cm/s
(B) 4.86 x 10-6cm/s
(C) 4.86 x 105cm/s
(D) 4.86 x106 cm/s
Transcribed Image Text:In a falling head permeability test the initial head of 1.0m dropped to 0.35 m in 3 hours, the diameter of the stand pipe being 5 mm. The soil specimen was 200 mm long and of 100 mm diameter. The coefficient of permeability of the soil is: 2. (A) 4.86 x10-5 cm/s (B) 4.86 x 10-6cm/s (C) 4.86 x 105cm/s (D) 4.86 x106 cm/s
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