Soil Mechanics and Foundation
Which of the following methods is best suited for determination of permeability of coarse-grained soils ?

constant head method
falling head method
both the above
None of these

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Soil Mechanics and Foundation
The rise of water table below the foundation influences the bearing capacity of soil mainly by reducing

effective angle of shearing resistance
cohesion and effective unit weight of soil
cohesion and effective angle of shearing resistance
effective unit weight of soil and effective angle of shearing resistance

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Soil Mechanics and Foundation
For a loose sand sample and a dense sand sample consolidated to the same effective stress

ultimate strength is different but peak strength is same
ultimate strength is same but peak
ultimate strength is same and also peak strength is same
ultimate strength is same but peak strength of dense sand is greater than that of loose sand

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