Soil Mechanics and Foundation
Time factor for a clay layer is

inversely proportional to drainage path
a dimensional parameter
directly proportional to permeability of soil
independent of thickness of clay layer

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP

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

Stress distribution on the failure plane, is non uniform
None of these
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

ANSWER DOWNLOAD EXAMIANS APP