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

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

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

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

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