Soil Mechanics and Foundation Engineering Questions

• A soil has bulk density 2.30 g/cm3 and water content 15 per cent, the dry density of the sample, is
• A coarse-grained soil has a voids ratio 0.75, and specific gravity as 2.75. The critical gradient at which quick sand condition occurs, is
• Rankine's theory of active earth pressure assumes
• Back fill with a sloping surface exerts a total active pressure Pa on the wall of height H and acts at
• A compacted soil sample using 10% moisture content has a weight of 200 g and mass unit weight of 2.0 g/cm3. If the specific gravity of soil particles and water are 2.7 and 1.0, the degree of saturation of the soil is
• Under-reamed piles are generally
• Pick up the correct statement from the following:
• Minimum depth of a footing carrying a heavy load, is calculated by the formula
• The ratio of the weight of given volume of soil solids to the weight of an equal volume of distilled water at the given temperature, is known
• The coefficient of curvature is defined
• The seepage force in a soil, is
• A flow line makes angles θ1 and θ2 with the normal to the interface of the soils having permeabilities k1, k2 before and after deflection. According to the law of deflection of the flow lines at the interface of the dissimilar soils
• Accurate determination of water content, is made by
• The ratio of the volume of voids to the volume of soil solids in a given soil mass, is known
• The liquidity index is defined as a ratio expressed as percentage of
• The active earth pressure of a soil is proportional to (where φ is the angle of friction of the soil)
• The weight of a pycnometer containing 400 g sand and water full to the top is 2150 g. The weight of pycnometer full of clean water is 1950 g. If specific gravity of the soil is 2.5, the water content is
• The minimum water content at which the soil retains its liquid state and also possesses a small shearing strength against flowing, is known
• According to Coulomb's wedge theory, the active earth pressure slides the wedge
• Pick up the correct statement from the following: