Building Construction
Auger boring

Is the most primitive method for making a hole in the ground
All of these
Is most economical up-to a depth of 5 meters
Is generally employed in cohesive and other self soils above water table

ANSWER DOWNLOAD EXAMIANS APP

Building Construction
Grillage foundation

Does not require deep cutting as the required base area with required pressure intensity is obtained at a shallow depth
Is light and economical
All listed here
Is used to transfer heavy structural loads from steel columns to a soil having low bearing capacity

ANSWER DOWNLOAD EXAMIANS APP