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Prepared raw mix is fed into the rotary kiln.

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Prepared raw mix is fed into the rotary kiln.

(a) True

(b) False

The question was posed to me in an interview for internship.

This interesting question is from Manufacture of Portland Cement in chapter Cement of Concrete Technology

1 Answer

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Right answer is (a) True

To explain I would say: Cement kilns are used for the pyroprocessing stage of manufacture of Portland and other types of hydraulic cement, in which calcium carbonate reacts with silica-bearing minerals to form a mixture of calcium silicates.

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