Question

____ represents the size of sand particle such that 10% of particles are finer than this size.

(a) D0.1

(b) D1

(c) D10

(d) D100

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Answer 1

The correct option is (c) D10

The explanation: D10 represents the size of sand particle such that 10% of particles are finer than this size. It is also called the effective size or effective diameter and is measured in mm.