Which of the following types of soil is transported by gravitational forces ?

A fully saturated soil is said to be________________?

A. one phase system

B. two phase system with soil and air

C. two phase system with soil and water

D. three phase system

Water content of soil can______________?

A. never be greater than 100 %

B. take values only from 0 % to 100 %

C. be less than 0 %

D. be greater than 100 %

Constant head permeameter is used to test permeability of_______________?

A. silt

B. clay

C. coarse sand

D. fine sand

If the voids of a soil mass are full of air only, the soil is termed as_______________?

A. air entrained soil

B. partially saturated soil

C. dry soil

D. dehydrated soil

Voids ratio of a soil mass can_________________?

A. never be greater than unity

B. be zero

C. take any value greater than zero

D. take values between 0 and 1 only