Question

A falling head permeability test is to be performed on a soil sample whose
coefficient of permeability is 3x10 cm/s. What diameter of the standpipe should
be used if the head is to drop from 27.5cm to 20.0cm in 5 minutes and if the cross-
sectional area and length of the sample are respectively 15cm² and 8.5cm?​

Answer 1

Answer:

30 nd 3AM and he will have to do the paragraph of his book and I think that he will have a class in the brave and he can do that to u in the same way he