Hazen’s formula $${{\text{V}}_{\text{S}}} = 418\left( {{{\text{G}}_{\text{S}}} - {{\text{G}}_{\text{w}}}} \right){\text{d}}\left( {\frac{{3{\text{T}} + 70}}{{100}}} \right)$$      is used for the settlement velocity of the particles of diameter

A. Less than 0.01 mm

B. Less than 0.05 mm

C. Less than 0.1 mm

D. Greater than 0.1 mm

Answer: Option D