Soil Mechanics and Foundation
Effective stress is

important because it is a function of engineering properties of soil
the stress at particles contact
a physical parameter that can be measured
All of these

ANSWER DOWNLOAD EXAMIANS APP

Soil Mechanics and Foundation
Coefficient of compressibility is

independent of type of soil but depends on the stress history of soil
constant for any type of soil
different for different types of soils but same for a soil under different states of consolidation
different for different types of soils and also different for a soil under different states of consolidation

ANSWER DOWNLOAD EXAMIANS APP