1.

Arrange the steps in sequence for the manufacture of cement. (a)Mixture is pulverized using a pulverizer. (b)Limestone and clay are mixed in a definite proportion. (c)Mixture is heated to1500^(@) C " to " 1600^(@)C to form clinkers. (d) Clinkers are pulverizedto form fine powder and a small quantity of gypsum is added.

Answer»

a c B d
b a c d
b d c a
d c b a

Solution :(a) Limestone and CLAY are mixed in a definite proportion.
(b) Mixture is pulverized USING a pulverizer.
(c) Mixture is heated to ` 1500^(@) c " to " 1600^(@) C` to from CLINKERS.
(d) Clinkers are pulverized to form fine powder and a SMALL quantity of gypsum is added. Choice


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