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How much maximum percentage by mass of performance improvers can be added in grade 33 OPC?(a) 0.5(b) 1(c) 5(d) 0.1 |
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Answer» The correct choice is (c) 5 The best I can explain: Performance improvers include fly ash, slag, rice husk, ash, etc. These can be added in quantity of 5% by mass as per Table 1 given in IS 269. |
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