engineering recuitment NHPC JE & THDC JE 2023 Mock Test Soil Mechanics and Foundation Engineering Classification of Soils
The coefficient of curvature from the grain size distribution curve is given by:
1
\(\frac{{{D_{60}}}}{{{D_{10}}}}\)
2
\(\frac{{D_{30}^2}}{{{D_{10}}{D_{60}}}}\)
3
\(\frac{{D_{60}^2}}{{{D_{10}}{D_{30}}}}\)
4
\(\frac{{{D_{30}}}}{{{D_{10}}}}\)