Soil Mechanics and Foundation
The total and effective stresses at a depth of 5 m below the top level of water in a swimming pool are respectively

1.0 kg/cm² and 0.5 kg/cm²
0.5 kg/cm² and zero
zero and zero
0.5 kg/cm² and 0.5 kg/cm²

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Soil Mechanics and Foundation
Coefficient of earth pressure at rest is

less than both the active and passive earth pressures
less than active earth pressure but greater than passive earth pressure
greater than active earth pressure but less than passive earth pressure
greater than both the active earth pressure and passive earth pressure

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

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

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