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

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

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

ANSWER DOWNLOAD EXAMIANS APP

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
The total discharge from two wells situated near to each other is

less than the sum of the discharges from individual wells
equal to larger of the two discharges from individual wells
greater than the sum of the discharges from individual wells
sum of the discharges from individual wells

ANSWER DOWNLOAD EXAMIANS APP