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

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

ANSWER DOWNLOAD EXAMIANS APP

Soil Mechanics and Foundation
Rise of water table above the ground surface causes

Decrease in pore water pressure but increase in total stress
Increase in pore water pressure but decrease in total stress
Equal decrease in pore water pressure and total stress
Equal increase in pore water pressure and total stress

ANSWER DOWNLOAD EXAMIANS APP

Soil Mechanics and Foundation
If the material of the base of the Casagrande liquid limit device on which the cup containing soil paste drops is softer than the standard hard rubber, then

The liquid limit of soil may increase
The liquid limit of soil always increases
The liquid limit of soil may decrease
The liquid limit of soil always decreases

ANSWER DOWNLOAD EXAMIANS APP