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

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

ANSWER DOWNLOAD EXAMIANS APP

Soil Mechanics and Foundation
The shear strength of a soil

Decreases with decrease in normal stress
Is directly proportional to the angle of internal friction of the soil
Decreases with increase in normal stress
Is inversely proportional to the angle of internal friction of the soil

ANSWER DOWNLOAD EXAMIANS APP