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Q: Which process of cement manufacturing is commonly used in modern cement plants?
  • A. Wet process
  • B. Dry or wet process based on setting time requirement of cement
  • C. Dry or wet process based on structural element the cement is used for
  • D. Dry process
Correct Answer: Option D - Dry process of cement manufacturing is commonly used in modern cement plants. • The dry process is slow and the product is costly. • Limestone and clay are ground to fine power separately and are mixed, water is added to make a thick paste. The cakes of this paste are dried and are changed into rotary kiln. This product obtained after calcinations in rotary kiln is called clinker.
D. Dry process of cement manufacturing is commonly used in modern cement plants. • The dry process is slow and the product is costly. • Limestone and clay are ground to fine power separately and are mixed, water is added to make a thick paste. The cakes of this paste are dried and are changed into rotary kiln. This product obtained after calcinations in rotary kiln is called clinker.

Explanations:

Dry process of cement manufacturing is commonly used in modern cement plants. • The dry process is slow and the product is costly. • Limestone and clay are ground to fine power separately and are mixed, water is added to make a thick paste. The cakes of this paste are dried and are changed into rotary kiln. This product obtained after calcinations in rotary kiln is called clinker.