constant for any type of soil

different for different types of soils and also different for a soil under different states of consolidation

different for different types of soils but same for a soil under different states of consolidation

independent of type of soil but depends on the stress history of soil

decreases with the increase in the initial voids ratio

decreases with the decrease in the plastic limit

increases with the increase in the initial voids ratio

increases with the decrease in the porosity of the soil

directly proportional to the voids ratio

directly proportional to the compression index

inversely proportional to the compression index

none of the above

10 mm

20 mm

40 mm

none of the above

drum roller

rubber tyred roller

sheep′s foot roller

vibratory roller