The angle that Coulomb’s failure envelope makes with the horizontal is called cohesion None of these angle of internal friction angle of repose TRUE ANSWER : ? YOUR ANSWER : ?
The shear strength of a soil Decreases with increase in normal stress Is inversely proportional to the angle of internal friction of the soil Is directly proportional to the angle of internal friction of the soil Decreases with decrease in normal stress TRUE ANSWER : ? YOUR ANSWER : ?
Coefficient of consolidation of a soil is affected by None of these both compressibility and permeability compressibility permeability TRUE ANSWER : ? YOUR ANSWER : ?
During the first stage of triaxial test when the cell pressure is increased from 0.10 N/mm² to 0.26 N/mm², the pore water pressure increases from 0.07 N/mm² to 0.15 “N/mm². Skempton’s pore pressure parameter B is -2 0.5 2 -0.5 TRUE ANSWER : ? YOUR ANSWER : ?
According to Atterberg, the soil is said to be of medium plasticity if the plasticity index PI is 7 17 0 < PI < 7 PI>27 TRUE ANSWER : ? YOUR ANSWER : ?
Rankine’s theory of earth pressure assumes that the back of the wall is plane and rough vertical and rough vertical and smooth plane and smooth TRUE ANSWER : ? YOUR ANSWER : ?
For better strength and stability, the fine grained soils and coarse grained soils are compacted respectively as dry of OMC and dry of OMC where OMC is optimum moisture content wet of OMC and wet of OMC wet of OMC and dry of OMC dry of OMC and wet of OMC TRUE ANSWER : ? YOUR ANSWER : ?
In the plate loading test for determining the bearing capacity of soil, the size of square bearing plate should be less than 300 mm greater than 1 m between 300 mm and 750 mm between 750 mm and 1 m TRUE ANSWER : ? YOUR ANSWER : ?
The hydraulic head that would produce a quick condition in a sand stratum of thickness 1.5 m, specific gravity 2.67 and voids ratio 0.67 is equal to 1.5m 2.0m 1.0m 3m TRUE ANSWER : ? YOUR ANSWER : ?
Coefficient of earth pressure at rest is greater than both the active earth pressure and passive earth pressure less than both the active and passive earth pressures less than active earth pressure but greater than passive earth pressure greater than active earth pressure but less than passive earth pressure TRUE ANSWER : ? YOUR ANSWER : ?