Soil Mechanics and Foundation The major principal stress in an element of cohesion-less soil within the backfill of a retaining wall is None of these Vertical if the soil is in a passive state of plastic equilibrium Inclined at 45° to the vertical plane Vertical if the soil is in an active state of plastic equilibrium None of these Vertical if the soil is in a passive state of plastic equilibrium Inclined at 45° to the vertical plane Vertical if the soil is in an active state of plastic equilibrium ANSWER DOWNLOAD EXAMIANS APP
Soil Mechanics and Foundation Rise of water table above the ground surface causes Equal decrease in pore water pressure and total stress Equal increase in pore water pressure and total stress Increase in pore water pressure but decrease in total stress Decrease in pore water pressure but increase in total stress Equal decrease in pore water pressure and total stress Equal increase in pore water pressure and total stress Increase in pore water pressure but decrease in total stress Decrease in pore water pressure but increase in total stress ANSWER DOWNLOAD EXAMIANS APP
Soil Mechanics and Foundation A cylindrical specimen of saturated soil failed under an axial vertical stress of 100kN/m2 when it was laterally unconfmed. The failure plane was inclined to the horizontal plane at an angle of 45°. The values of cohesion and angle of internal friction for the soil are respectively 0.05 N/mm² and 0° 0.05 N/mm² and 45° 0.5 N/mm² and 30° 0.2 N/mm² and 0° 0.05 N/mm² and 0° 0.05 N/mm² and 45° 0.5 N/mm² and 30° 0.2 N/mm² and 0° ANSWER DOWNLOAD EXAMIANS APP
Soil Mechanics and Foundation Bishop’s method of stability analysis assumes the slip surface as an arc of a circle is more conservative All of these neglects the effect of forces acting on the sides of the slices assumes the slip surface as an arc of a circle is more conservative All of these neglects the effect of forces acting on the sides of the slices ANSWER DOWNLOAD EXAMIANS APP
Soil Mechanics and Foundation A tri-axial shear test is preferred to direct shear test, because Stress distribution on the failure plane, is non uniform None of these It can be performed under all three drainage conditions with complete control Precise measurement of pore pressure and change in volume during test, is not possible Stress distribution on the failure plane, is non uniform None of these It can be performed under all three drainage conditions with complete control Precise measurement of pore pressure and change in volume during test, is not possible ANSWER DOWNLOAD EXAMIANS APP
Soil Mechanics and Foundation Toughness index is defined as the ratio of liquidity index to flow index plasticity index to consistency index consistency index to liquidity index plasticity index to flow index liquidity index to flow index plasticity index to consistency index consistency index to liquidity index plasticity index to flow index ANSWER DOWNLOAD EXAMIANS APP