cohesion

angle of internal friction

angle of repose

none of the above

90°

45°

22.5°

0°

In a direct shear box test, the plane of shear failure is predetermined.

Better control is achieved on the drainage of the soil in a triaxial compression test.

Stress distribution on the failure plane in the case of triaxial compression test is uniform.

Unconfined compression test can be carried out on all types of soils.

45°

90°

135°

225°

horizontal plane only

vertical plane only

both horizontal and vertical planes

all planes except horizontal and vertical planes