Soil Mechanics and Foundation
In the plate loading test for determining the bearing capacity of soil, the size of square bearing plate should be

less than 300 mm
between 750 mm and 1 m
greater than 1 m
between 300 mm and 750 mm

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Soil Mechanics and Foundation
With the increase in the amount of compaction energy

both optimum water content and maximum dry density increase
both optimum water content and maximum dry density decrease[ES 93]
optimum water content increases but maximum dry density decreases
optimum water content decreases but maximum dry density increases

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

None of these
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
Uniformity coefficient represents the shape of the particle size distribution curve.

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