For the manufacture of Portland cement, the proportions of raw materials used, are
Civil Engineering
Building Materials
Choose an option
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Alime 63% ; silica 22% ; other ingredients 15%
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Blime 22% ; silica 63% ; other ingredients 15%
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Csilica 40% ; lime 40% ; other ingredients 20%
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Dsilica 70% ; lime 20% ; other ingredients 10%.
Answer
Correct Answer: lime 63% ; silica 22% ; other ingredients 15%