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Question
Which of the following is/are the raw materials used to manufacture cement?
Which of the following is/are the raw materials used to manufacture cement?
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Solution
The correct options are
A Clay
B Limestone
The most common raw rock types used in cement production
are:
- Limestone (supplies the bulk of the lime)
- Clay, marl or shale (supplies the bulk of the silica,
alumina and ferric oxide)
- Other supplementary materials such as sand, fly
ash/pulverised fuel ash (PFA), or ironstone to achieve the desired bulk
composition
A Clay
B Limestone
The most common raw rock types used in cement production are:
- Limestone (supplies the bulk of the lime)
- Clay, marl or shale (supplies the bulk of the silica, alumina and ferric oxide)
- Other supplementary materials such as sand, fly ash/pulverised fuel ash (PFA), or ironstone to achieve the desired bulk composition
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