Building Construction
The stone masonry of finely dressed stones laid in cement or lime, is

Random rubble masonry
Coursed rubble masonry
Ashlar masonry
Dry rubble masonry

ANSWER DOWNLOAD EXAMIANS APP

Building Construction
During percussion drilling

All listed here
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

ANSWER DOWNLOAD EXAMIANS APP