Building Construction
During percussion drilling

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

ANSWER DOWNLOAD EXAMIANS APP

Building Construction
Pick up the correct statement about silt soil from the following:

The least plastic type normally consists of more or less equidimensional grains of quartz
In organic fine grained silt soil possesses no plasticity
All listed here
The silt soil has particle size from 0.02 mm to 0.06 mm

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP