| Q.86 | Which of the following statements is/are true regarding the soil required for subgrade in road construction? i.It must have good permeability or drainage characteristics. ii.It must undergo high volume changes. iii.It must have high bending strength. iv.It must be uniformly graded. | |
| Ans | 1. Only i | |
| 2. Both ii and iii | ||
| 3. Both i and iv | ||
| 4. Both iii and iv |
Correct Ans: 1