Building Materials - Building Materials
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Question
Q: Pick up the correct statement from the following:
Option | Answer | Is Correct |
---|---|---|
1 | For thin structures subjected to wetting and drying, the water cement ratio should be 0.45 | |
2 | For mass concrete structures subjected to wetting and drying, the water ratio should be 0.55 | |
3 | For massive concrete structures which remain continuously under water, the water cement ratio by weight should be 0.65 | |
4 | All the above. |
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