Question
To obtain cement dry powder, lime stones and shales or their slurry, is burnt in a rotary kiln at a temperature between
Options:
A .  1100° and 1200°C
B .  1200° and 1300°C
C .  1300° and 1400°C
D .  1400° and 1500°C
Answer: Option D
Answer: (d).1400° and 1500°C

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