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_______ occurs at places where there is considerable variation in the height of water table.(a) Transpiration of trees and shrubs(b) Atmospheric action(c) Horizontal movement of earth(d) Withdrawal of moisture from the sub-soilI have been asked this question during a job interview.The above asked question is from Foundations in chapter Foundations of Construction & Building Materials

Answer»

The correct option is (d) Withdrawal of moisture from the sub-SOIL

Easy EXPLANATION: When withdrawal of moisture from the sub-soil takes PLACE i.e. water table falls, the soil particles loses Cohesion and hence, there is a shrinkage of soil, RESULTING in the cracks to the BUILDINGS.



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