Soil Mechanics and Foundation
A retaining wall 6m high supports a backfill with a surcharge angle of 10°. The back of the wall is inclined to the vertical at a positive batter angle of 5°. If the angle of wall friction is 7°, then the resultant active earth pressure will act at a distance of 2 m above the base and inclined to the horizontal at an angle of

12°
7°
10°
17°

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

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Soil Mechanics and Foundation
Coefficient of compressibility is

independent of type of soil but depends on the stress history of soil
different for different types of soils but same for a soil under different states of consolidation
different for different types of soils and also different for a soil under different states of consolidation
constant for any type of soil

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Soil Mechanics and Foundation
Sensitivity of a soil can be defined as

None of these
ratio of volume of voids to volume of solids
ratio of compressive strength of unconfined undisturbed soil to that of soil in a remoulded state
percentage of volume change of soil under saturated condition

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