Soil Mechanics & Foundation

121) An isobar is

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a curve connecting points of equal vertical pressure

122) Which of the following is responsible for shear resistance in soils?

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both (a) and (b)

123) Neutral stress refers to

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pore water pressure

124) When the steady seepage occurs in an isotropic soil, the head causing the flow satisfies the following equation

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Lapace's equation

125) Identify the incorrect statement

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A high porosity indicates that an aquifer will yield large volumes of water to well

126) The seepage flow through a porous medium is generally

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Turbulent

127) A coarse grained soil has a void ratio of 0.7 and specific gravity of 2.7. The critical gradient at which the quick sand condition occurs is

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1.00

128) Bleeder wells are required to

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relieve pressure in impervious layers

129) A flownet may be used for the determination of

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all the above

130) The difference between total pressure and pore water pressure is known as

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effective stress

Subject Notes

Objective Box

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