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The loose bulky grains in collapsible soil are held together by__________

(a) Inter-molecular force between the soil

(b) Compressive stress

(c) Capillary stress

(d) All of the mentioned

The question was posed to me during an online exam.

My query is from Collapsible Soils in chapter Index Properties Determination of Geotechnical Engineering I

1 Answer

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Best answer
The correct answer is (c) Capillary stress

Best explanation: As the common Feature exhibited by collapsible soil is capillary stress, the loose bulky grains in the soil are held together by it.

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