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The Coarse-grained soil settle in suspension due to ____________

(a) Gravitational force

(b) Surface force

(c) Weight of the grain

(d) All of the mentioned

I had been asked this question in an interview.

This intriguing question originated from Single Grained and Honey Comb Structure in portion Soil Structure and Clay Minerology of Geotechnical Engineering I

1 Answer

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Best answer
Correct answer is (c) Weight of the grain

The best I can explain: The weight of the grains in coarse-grained soil causes them to settle and get to particle-to-particle contact on deposition.

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