Soil Mechanics and Foundation
In the triaxial compression test, the application of additional axial stress (i.e. deviator stress) on the soil specimen produces shear stress on

horizontal plane only
both horizontal and vertical planes
all planes except horizontal and vertical planes
vertical plane only

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
Precise measurement of pore pressure and change in volume during test, is not possible
Stress distribution on the failure plane, is non uniform
None of these

ANSWER DOWNLOAD EXAMIANS APP