Soil Mechanics and Foundation
Highway Research Board (HRB) classification of soils is based on

particle size composition
both particle size composition and plasticity characteristics
None of these
plasticity characteristics

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Soil Mechanics and Foundation
The total discharge from two wells situated near to each other is

greater than the sum of the discharges from individual wells
less than the sum of the discharges from individual wells
equal to larger of the two discharges from individual wells
sum of the discharges from individual wells

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Soil Mechanics and Foundation
Degree of consolidation is

directly proportional to time and inversely proportional to drainage path
directly proportional to square of drainage path and inversely proportional to time
directly proportional to drainage path and inversely proportional to time
directly proportional to time and inversely proportional to square of drainage path

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Soil Mechanics and Foundation
Which of the following statements is correct?

None of these
Uniformity coefficient represents the shape of the particle size distribution curve.
For a well graded soil, both uniformity coefficient and coefficient of curvature are nearly unity.
A soil is said to be well graded if it has most of the particles of about the same size

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Soil Mechanics and Foundation
The rise of water table below the foundation influences the bearing capacity of soil mainly by reducing

cohesion and effective angle of shearing resistance
effective angle of shearing resistance
effective unit weight of soil and effective angle of shearing resistance
cohesion and effective unit weight of soil

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