decreases

increases

remains unchanged

first increases and then decreases

1

zero

between 0 and 1

greater than 1[CS 95]

effective stress only

total stress only

both effective stress and total stress

none of the above

effective stress increases with depth but water content of soil and un-drained strength decrease with depth

effective stress and water content increase with depth but undrained strength decreases with depth

effective stress and undrained strength increase with depth but water content decreases with depth

effective stress, water content and undrained strength decrease with depth

increases as the size of particles increases

increases as the soil gradation im-proves

is limited to a maximum value of 45°

is rarely more than 30° for fine grained soil