A soil has a dry unit weight of 17.5 kN/m^3 and a water content of 20%. What will be its bulk unit weight?
(a) 18 kN/m^3
(b) 19 kN/m^3
(c) 20 kN/m^3
(d) 21 kN/m^3
The question was asked at a job interview.
Asked question is from Functional Relationships topic in section Preliminary Definitions and Relationships of Geotechnical Engineering I