engineering recuitment Rajasthan Housing Board JE Civil (Degree & Diploma) Mock Test 2023 Soil Mechanics and Foundation Engineering Classification of Soils
Coefficient of curvature (Cc) is given by
1
Cc = \(\rm\frac{\left(D_{30}\right)^2}{D_{10} \times D_{20}}\)
2
Cc = \(\rm\frac{\left(D_{20}\right)^2}{D_{10} \times D_{60}}\)
3
Cc = \(\rm\frac{\left(D_{30}\right)^2}{D_{10} \times D_{40}}\)
4
Cc = \(\rm\frac{\left(D_{30}\right)^2}{D_{10} \times D_{60}}\)