Cohesionless soil is sand silt clay clay and silt.

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Soil Mechanics and Foundation Engineering problems

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1. Pick up the correct statement from the following:
Options
A. In hydrometer method, weight W_d per ml of suspension is found directly
B. In pipette analysis, weight W_d per ml of suspension is found indirectly
C. In pipette analysis, weight W_d per ml of suspension is found directly
D. None of these.

5. A failure wedge develops if a retaining wall
Options
A. moves away from the backfill
B. moves towards the backfill
C. sinks downwards
D. stresses equally by vertical and horizontal forces.

6. The maximum pressure which a soil can carry without shear failure, is called
Options
A. safe bearing capacity
B. net safe bearing capacity
C. net ultimate bearing capacity
D. ultimate bearing capacity.

7. Pick up the correct statement from the following:
Options
A. Coefficient of compressibility is the decrease in void ratio per unit increase of pressure
B. The percent settlement at any time is called degree of consolidation
C. Time factor is a dimensionless quantity
D. The initial curve on either side of the point of unloading and reloading is called 'virgin curve'
E. All the above.

9. Pick up the correct definition from the following:
Options
A. The lateral pressure exerted by the soil when the retaining wall moves away from the back fill, is generally known as active earth pressure of the soil
B. The lateral pressure exerted by the soil when the retaining wail moves towards the soil, is generally known as 'Passive earth pressure of the soil'
C. The lateral pressure exerted by the soil when the retaining wall has no movement relative to the back fill, is known as 'earth pressure at rest of the soil'
D. All the above.

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