Soil Mechanics and Foundation
Which one of the following clays behaves like a dense sand ?

over-consolidated ciay with a high over-consolidation ratio
over-consolidated clay with a low over-consolidation ratio
under-consolidated clay
normally consolidated clay

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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
Stress distribution on the failure plane, is non uniform
It can be performed under all three drainage conditions with complete control
None of these

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

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

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