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
increase in both liquid limit and plasticity index
decrease in liquid limit and increase in plasticity index

ANSWER DOWNLOAD EXAMIANS APP

Soil Mechanics and Foundation
In hydrometer analysis for a soil mass

meniscus correction is subtractive and dispersing agent correction is additive
both meniscus correction and dispersing agent correction are subtractive
meniscus correction is additive and dispersing agent correction is subtractive
both meniscus correction and dispersing agent correction are additive

ANSWER DOWNLOAD EXAMIANS APP

Soil Mechanics and Foundation
A tri-axial shear test is preferred to direct shear test, because

It can be performed under all three drainage conditions with complete control
None of these
Precise measurement of pore pressure and change in volume during test, is not possible
Stress distribution on the failure plane, is non uniform

ANSWER DOWNLOAD EXAMIANS APP

Soil Mechanics and Foundation
The average coefficient of permeability of natural deposits

Is always same in both directions
Parallel to stratification is always less than that perpendicular to stratification
Parallel to stratification is always greater than that perpendicular to stratification
Parallel to stratification may or may not be greater than that perpendicular to stratification

ANSWER DOWNLOAD EXAMIANS APP