51.
Liquidity index is a measure of:

52.
Compaction improves soil by:

53.
Soil consolidation is due to:

54.
What is the effect of organic matter on soil strength?

55.
What does a high void ratio indicate?

56.
Which property is measured in a Proctor test?

57.
The angle of internal friction is most relevant to:

58.
Which factor affects soil permeability the most?

59.
Which instrument is used to determine the liquid limit of soil?

60.
The shrinkage limit of soil is defined as the: