Soil Mechanics and Foundation
For proper field control, which of the following methods is best suited for quick determination of water content of a soil mass ?

sand bath method
oven drying method
calcium carbide method
alcohol method

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Soil Mechanics and Foundation
If the water table rises upto ground surface, then the

total stress is reduced due to increase in pore water pressure only but effective stress does not change
total stress is increased due to decrease in pore water pressure but effective stress does not change
effective stress is reduced due to decrease in total stress only but pore water pressure does not change
effective stress is reduced due to increase in pore water pressure only but total stress does not change

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Soil Mechanics and Foundation
Quick sand is a

flow condition occurring in cohesive soils
flow condition occurring in both cohesive and cohesionless soils
flow condition occurring in cohesionless soils
type of sand

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Soil Mechanics and Foundation
Coefficient of earth pressure at rest is

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

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