Pick up the correct statement from the following:

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Question:
Pick up the correct statement from the following:

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 thin structures which remain continuously under water, the water-cement ratio by weight should be 0.55

4. All the above.

Posted Date:-2021-03-26 06:50:33

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