Soil Mechanics And Foundation Set 3

over-consolidated ciay with a high over-consolidation ratio ✘ over-consolidated clay with a low over-consolidation ratio ✘ normally consolidated clay ✘ under-consolidated clay ✔

sand ✘ silt ✘ clay ✘ gravel ✔

decrease in liquid limit and increase in plasticity index ✘ decrease in liquid limit and no change in plasticity index ✘ decrease in both liquid limit and plasticity index ✘ increase in both liquid limit and plasticity index ✔

does not depend upon temperature ✘ increases with the increase in temperature ✘ increases with the decrease in temperature ✘ none of the above ✔

directly proportional to the voids ratio ✘ directly proportional to the compression index ✘ inversely proportional to the compression index ✘ none of the above ✔

Uniformity coefficient represents the shape of the particle size distribution curve. ✘ 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 ✘ none of the above ✔

decreases ✘ increases ✘ remains unchanged ✘ first increases and then decreases ✔

reduce both the active earth pressure intensity and passive earth pressure intensity ✘ increase both the active earth pressure intensity and passive earth pressure intensity ✘ reduce the active earth pressure in-tensity but to increase the passive earth pressure intensity ✘ increase the active earth pressure in-tensity but to reduce the passive earth pressure intensity [GATE 99] ✔

the principle of test ✘ the method of taking observations ✘ the method of preparation of soil suspension ✘ all of the above ✔

Equal increase in pore water pressure and total stress ✘ Equal decrease in pore water pressure and total stress ✘ Increase in pore water pressure but decrease in total stress ✘ Decrease in pore water pressure but increase in total stress ✔