Q. Pick up the correct statement from the following: (Solved)
1. O.M.C. refers to the moisture corresponding to the maximum point on the moisture content dry density curve
2. The line which shows moisture content dry density relation for soil containing a constant percentage of air voids, is known as air void line
3. The free fall of hammer for compaction is 30.5 cm
4. All the above
- d. All the above