Soil Mechanics and Foundation
Terzaghi’s bearing capacity factors Nc, Nq and Nr are functions of

angle of internal friction only
both cohesion and angle of internal friction
both cohesion and angle of internal friction
cohesion only

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

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