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Free swell ceases when the water content reaches ________

(a) liquid limit

(b) plastic limit

(c) shrinkage limit

(d) plasticity index

I had been asked this question during an online exam.

The query is from Slaking of Clay and Bulking of Sand topic in chapter Soil Water Effective and Neutral Stresses of Geotechnical Engineering I

1 Answer

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Best answer
Correct answer is (c) shrinkage limit

Easiest explanation: Free swell of a soil is the increase in the volume of soil without any constrains on submergence in water and it ceases when the water content reaches the plastic limit.

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