railway RRB JE (CBT I + CBT II) Mock Test 2024 Soil Mechanics and Foundation Engineering Permeability
If kx and kz are are the permeabilities in the X and Z directions respectively in a two dimensional flow situation, the effective permeability k, is given by
1
\(\rm \sqrt{k_x k_z} \)
2
\(\rm \frac{k_x}{k_z} \)
3
\(\rm \frac{k_z}{k_x}\)
4
kx + kz