Soil Mechanics and Foundation
Which of the following methods is most accurate for the determination of the water content of soil ?

oven drying method
sand bath method
calcium carbide method
pycnometer 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
effective stress is reduced due to increase in pore water pressure only but total 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

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