Q$\mathrm{.}1)$ The following sieve aralysis data has beer obtained feom o load consturtion projed. Plot the palticle size distribution cuve and find the mean $($DSO$)$ particle size. What is the peedominast soil type in the mix?

Sieve $2$ize

$(mm)$

$19\mathrm{.}00$

$9\mathrm{.}50$

$4\mathrm{.}75$

$2\mathrm{.}36$

$1\mathrm{.}18$

$0\mathrm{.}60$

$0\mathrm{.}425$

$0\mathrm{.}30$

par

Mass retained

$(9)$

$11$

$74$

$120$

$150$

$50$

$25$

$15$

$10$

$100$