$-=$

Question $6$

If the time factor is $0,35$ and the $c_v=8\mathrm{.}2{10}^{-4}\frac{m^2}{s}$ Calculate the time required for settlement of clay layer of double drainage system.

$2$

$3$

$4$

$18$ days

$(5)$

$(6)$

$35$ days

$7$

$8$

$25$ dsys

$9$

$10$

$29$ days