Soil Mechanics and Foundation
Coefficient of consolidation for clays normally

decreases with increase in liquid limit
remains constant at all liquid limits
first increases and then decreases with increase in liquid limit
increases with increase in liquid limit

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Soil Mechanics and Foundation
A cylindrical specimen of saturated soil failed under an axial vertical stress of 100kN/m2 when it was laterally unconfmed. The failure plane was inclined to the horizontal plane at an angle of 45°. The values of cohesion and angle of internal friction for the soil are respectively

0.05 N/mm² and 45°
0.2 N/mm² and 0°
0.05 N/mm² and 0°
0.5 N/mm² and 30°

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

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Soil Mechanics and Foundation
The ultimate consolidation settlement of a structure resting on a soil

Decreases with the increase in the initial voids ratio
Increases with the decrease in the porosity of the soil
Decreases with the decrease in the plastic limit
Increases with the increase in the initial voids ratio

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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

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

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