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| Q.2 | The addition of a portion of fly-ash in the mix design results in reduction in: i) permeability ii) chemical attack iii) heat of hydration iv) initial setting time | |
| Ans | 1. (i), (ii), (iii), (iv) | |
| 2. Only (i) and (iii) | ||
| 3. Only (i), (ii) and (iii) | ||
| 4. Only (i) |
Correct Ans: 3
