Soil Mechanics and Foundation
Coefficient of compressibility is

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

ANSWER DOWNLOAD EXAMIANS APP

Soil Mechanics and Foundation
The admixture of coarser particles like sand or silt to clay causes

decrease in liquid limit and no change in plasticity index
increase in both liquid limit and plasticity index
decrease in liquid limit and increase in plasticity index
decrease in both liquid limit and plasticity index

ANSWER DOWNLOAD EXAMIANS APP