Question

Match List-I (Unit) with List-II (Purpose) and select the correct answer using the codes given below the lists:
List-I
A. Graded filter
B. Lime treatment
C. Impervious clay core
D. Curtain grouting
List-II
1. To reduce seepage of water through body of earth dam
2. To reduce water seepage through foundation below dam
3. To stabilize black cotton soils
4. To drain water without losing fines from the soil
Codes:
A B C D

• A. 4 3 1 2
• B. 1 2 4 3
• C. 4 2 1 3
• D. 1 3 4 2

Answer 1

The correct option is A 4 3 1 2

Lime treatment reduces liquid limit slightly and increases plastic limit immensely. So there is reduction in plasticity index.