engineering recuitment APSC AE Civil 2020 Test Series Soil Mechanics and Foundation Engineering Index Properties
Consider the following statements:
1. Illite is the mineral largely responsible for the swelling and shrinkage behaviour of clayey soils.
2. A differential free swell value of 55% indicates a soil with low degree of expansiveness.
3. Higher the plasticity index of a soil, greater its swelling potential.
4. A low shrinkage limit of a soil indicates possibility of swelling at low water content.
Which of the above statements are correct?1
1 and 2 only
2
2 and 3 only
3
1 and 4 only
4
3 and 4 only