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What is the percentage of cement produced in dry process?

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in Concrete Technology by (122k points)
What is the percentage of cement produced in dry process?

(a) 85%

(b) 70%

(c) 75%

(d) 80%

This question was addressed to me in a national level competition.

Query is from Dry Process topic in chapter Cement of Concrete Technology

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The correct answer is (c) 75%

The best I can explain: In this process, calcareous material and argillaceous material are ground separately to fine powder in the absence of water and then are mixed together in the desired proportions. Dehydration zone requires a somewhat shorter distance than the wet process.

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