21.
Which of the following properties increases with soil compaction?

22.
What is the major engineering concern with expansive soils?

23.
Which of these is not a type of soil consistency limit?

24.
Which property of a rock increases its resistance to weathering?

25.
The water content at which soil changes from plastic to liquid state is called:

26.
Which factor directly influences the cohesion in clayey soils?

27.
Which test determines maximum dry density of soil?

28.
Which of the following describes a poorly graded soil?

29.
What is the relationship between porosity and permeability?

30.
The modulus of elasticity of rock indicates its: