In the manufacture of cement, the dry or wet mixture of calcareous and argillaceous materials burnt in a?
a. country kiln
b. continuous flare kiln
c. rotary kiln
d. all of these

In the manufacture of cement, the dry or wet mixture of calcareous (calcium-containing) and argillaceous (clay-containing) materials is typically burnt in a rotary kiln. This type of kiln provides the necessary high temperatures and controlled environment to facilitate the chemical reactions that form clinker, the key ingredient in cement.

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In the manufacture of cement, the dry or wet mixture of calcareous and argillaceous materials burnt in a?a. country kilnb. continuous flare kilnc. rotary kilnd. all of these

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In the manufacture of cement, the dry or wet mixture of calcareous and argillaceous materials burnt in a?
a. country kiln
b. continuous flare kiln
c. rotary kiln
d. all of these