A soil mass has coefficients of horizontal and vertical permeability as 9 x 10 -7 cm/s and 4 x 10 -7 cm/s, respectively. The transformed coefficient of permeability of an equivalent isotropic soil mass is

A soil mass has coefficients of horizontal and vertical permeability a

1.	A soil mass has coefficients of horizontal and vertical permeability as 9 x 10 -7 cm/s and 4 x 10 -7 cm/s, respectively. The transformed coefficient of permeability of an equivalent isotropic soil mass is
A.	9 x 10 -7 cm/s
B.	4 x 10 -7 cm/s
C.	13 x 10 -7 cm/s
D.	6 x 10 -7 cm/s
Answer» E.

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A soil mass has coefficients of horizontal and vertical permeability as 9 x 10 -7 cm/s and 4 x 10 -7 cm/s, respectively. The transformed coefficient of permeability of an equivalent isotropic soil mass is

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