Soil Mechanics and Foundation
Coefficient of consolidation for clays normally

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

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

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Soil Mechanics and Foundation
Rise of water table above the ground surface causes

Increase in pore water pressure but decrease in total stress
Equal decrease in pore water pressure and total stress
Decrease in pore water pressure but increase in total stress
Equal increase in pore water pressure and total stress

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