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

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

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Building Construction
Which one of the following activities is not correct as applicable to brick corbels

The maximum projection of the corbel should not be more than the thickness of the wall
The discontinuous corbels are used to carry heavy concentrated loads
The maximum projection of each corbel course should be limited to a quarter brick at a time
Stretcher bond is generally used for the construction of brick corbel

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Building Construction
During percussion drilling

Ground water observations are hindered due to entry of the slurry in the soil below the bottom of the hole
The soil to a considerable depth below the bottom of the hole gets disturbed
All listed here
Caving or mixing of strata are caused in soft soils or cohesion-less soils

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