Which of the below is a characteristic of a silt deposit?Group of answer choicesParticles are clearly visible to the naked eyeWater drains freely through the depositDilatant behaviourCan be rolled and remolded
Question
Which of the below is a characteristic of a silt deposit?Group of answer choicesParticles are clearly visible to the naked eyeWater drains freely through the depositDilatant behaviourCan be rolled and remolded
Solution
C. Dilatant behaviour
Silt is a sediment material with a grain size between sand and clay. One of the characteristics of silt is its dilatant behaviour, which means it tends to increase in volume when it is shaken or disturbed. This is due to the arrangement of the particles, which allows water to be squeezed into the spaces between them when pressure is applied, causing the volume to increase. The other options are not typical characteristics of silt. Particles are not clearly visible to the naked eye, water does not drain freely through the deposit due to the small particle size, and while it can be somewhat molded when wet, it does not have the plasticity of clay.
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