Grain size analysis of a soil indicated that D10 = 0.0009 mm, D30 = 0.003, and D60 = 0.0045 mm. The uniformity coefficient of this soil is
1
1.33
2
3.33
3
5
4
0.2
Grain size analysis of a soil indicated that D10 = 0.0009 mm, D30 = 0.003, and D60 = 0.0045 mm. The uniformity coefficient of this soil is