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

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

ANSWER DOWNLOAD EXAMIANS APP

Soil Mechanics and Foundation
For a loose sand sample and a dense sand sample consolidated to the same effective stress

ultimate strength is different but peak strength is same
ultimate strength is same but peak strength of dense sand is greater than that of loose sand
ultimate strength is same but peak
ultimate strength is same and also peak strength is same

ANSWER DOWNLOAD EXAMIANS APP

Soil Mechanics and Foundation
Sensitivity of a soil can be defined as

percentage of volume change of soil under saturated condition
ratio of volume of voids to volume of solids
ratio of compressive strength of unconfined undisturbed soil to that of soil in a remoulded state
None of these

ANSWER DOWNLOAD EXAMIANS APP