Homework Module $2$

Problem $1$: For a gravel with $D60=0\mathrm{.}48mm,D30=0\mathrm{.}25mm,$ and $D10=0\mathrm{.}11mm,$ calculate the uniformity coefficient and the coefficient of curvature.

Problem $2$: The following are the results of a sieve analysis.

$\backslash$table$[[$U$.$S Sieve No$.,$Mass of soil retained $(g)$