Soil Mechanics and Foundation
A plane inclined at an angle ‘φ’ to the horizontal at which the soil is expected to stay in the absence of any lateral support, is known as

Natural slope line
All listed here
Repose line
The φ line

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

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

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