Problem $4$

A grab sample of soil from a test pit has total $($moist$)$ unit weight of $102$ pounds per cubic foot $($pcf$).$ The moisture content of this soil is $20$ percent when degree of saturation is $75$ percent. Calculate the following

$($a$)$ Void ratio

$($b$)$ Specific gravity of soil solids

$($c$)$ Saturated unit weight

$($d$)$ Dry unit weight