Determine whether the following statements below are true or false. Justify vour

Question

Determine whether the following statements below are true or false. Justify vour answer with iust one or two sentences only if the answer is FALSE (vi) Individual sand particles are visible to the naked eye (vi) Under drained loading conditions on a sand layer, the entire load is bome by the (vii) A sample of sand and a sample of clay have the same void ratio value equal to soil particles. 0.75. Both sand and clay samples wll have the same coefficient of permeability as it is dependent on the void ratio. (ix) Effective stresses in a clay layer do not change when water is flowing in a horizontal direction.

Explanation / Answer

vi) true

vii)false. the entire load is not only carried or beared by sand particles but also pore water in it.Because there is a drainage conditions are present.Pore water pressure is created it will bear some load in addition to sand particles.

viii) false.

Because permeability doesn't depend only on void ratio of soil.

It depends on particles size i.e. diameter of the particle and coefficient of viscosity of the fluid.

ix)true

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