1. The following properties were determined for two soils X and Y:
Property X Y
Liquid Limit 0.62 0.34
Plastic Limit 0.26 0.19
Water Content 38% 25%
Specific Gravity of Solids 2.72 2.67
Degree of Saturation 1.00 1.00
Which of these soils
(i) contains more clay particles?
(ii) has a greater wet density?
(iii) has a greater dry density?
(iv) has a greater void ratio?
Give reasons for your answers.
Property X Y
Liquid Limit 0.62 0.34
Plastic Limit 0.26 0.19
Water Content 38% 25%
Specific Gravity of Solids 2.72 2.67
Degree of Saturation 1.00 1.00
Which of these soils
(i) contains more clay particles?
(ii) has a greater wet density?
(iii) has a greater dry density?
(iv) has a greater void ratio?
Give reasons for your answers.
Ans: X, Y, Y, X
2. A sample of clay has the liquid limit and the shrinkage limit of, respectively, 60% and 25%. If the sample has a volume of 10 ml at the liquid limit, and a volume of 6.40 ml at the shrinkage limit, determine the specific gravity of solids.
Ans- 2.69