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

All listed here
Repose line
The φ line
Natural slope line

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Soil Mechanics and Foundation
The total discharge from two wells situated near to each other is

sum of the discharges from individual wells
greater than the sum of the discharges from individual wells
less than the sum of the discharges from individual wells
equal to larger of the two discharges from individual wells

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