Uniformity coefficient represents the shape of the particle size distribution curve.
For a well graded soil, both uniformity coefficient and coefficient of curvature are nearly unity.
A soil is said to be well graded if it has most of the particles of about the same size
none of the above
always less than 1
always equal to 1
equal to or less than 1
equal to or gi eater than 1
0 < PI < 7
7<PI< 17
17<PI<27
PI>27
liquid state
plastic state
semi-solid state
solid state
negative
zero
non-plastic (NP)
1