Soil Mechanics and Foundation
Toughness index is defined as the ratio of

plasticity index to consistency index
liquidity index to flow index
plasticity index to flow index
consistency index to liquidity index

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 same and also 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 different but peak strength is same

ANSWER DOWNLOAD EXAMIANS APP