The unit weight of water in v=(2/g)r2(Vs-Vw/ɳ) is taken as ________

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For a soil sample, the ratio of saturated unit weight to dry unit weight is equal to 1.2 and specific gravity of solids G is 2.65, then its void ratio will be _____

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If the soil sample has porosity of 30% and specific gravity of solids G=2.7, then its dry unit weight will be ______

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In sand replacement method, if the mass of sand filling the calibrating container is 1450g and volume of calibrating container is 1000cm^3, then its buk density is_______ g/cm^3.

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Water is flowing at a rate of 0.04 m^3/s in a soil sample of 12m thick and cross section of 50m^2. The coefficient of permeability is 1.6*10^-3m/s. The submerged unit weight γ’=9.59 kN/m^3. Calculate the effective pressure if flow is in upward direction.

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Water is flowing at a rate of 0.04 m^3/s in a soil sample of 12m thick and cross section of 50m^2. The coefficient of permeability is 1.6*10^-3m/s. The submerged unit weight γ’=9.59 kN/m^3. Calculate the effective pressure if flow is in downward direction.

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If a soil has a void ratio of 0.64, specific gravity of solids as 2.65, then its saturated unit weight will be ______

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A soil has a void ratio of 0.6 and a specific gravity of solids as 2.7. What will be its dry unit weight?

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