Question

For coarse grained soil, the particle size D10 is sometimes called as __________

(a) Effective size and effective diameter

(b) Uniform diameter

(c) All of the mentioned

(d) None of the mentioned

I have been asked this question during an online exam.

I would like to ask this question from Particle Size Distribution Curve topic in portion Index Properties Determination of Geotechnical Engineering I

Answer 1

Correct choice is (a) Effective size and effective diameter

For explanation I would say: The size  D10 is sometimes called as the effective size or effective diameter.