Building Construction
Negative skin friction

Both (A) and (B)
Is a downward drag acting on a pile due to downward movement of the surrounding compressible soil relative to the pile
Develops due to lowering of ground water
Neither (A) not (B)

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Building Construction
Which one of the following factors is considered for the orientation of buildings?

All listed here
The extent up to which the sunrays penetrate with the verandah
The exposure of the walls and roof of the buildings to the rays of sun
The direction of the prevailing winds in the area

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