
Tamil Nadu stands _______ in cement production in the country?
A. First
B. Second
C. Third
D. Fourth
Answer
498.3k+ views
Hint -Tamilnadu produces a lot of cement and holds a significant rank in Indian cement production. Tamil Nadu Cement Corporation Limited (TANCEM) was authorized on 1 April 1976 to handle and operate the existing cement plant at Alangulam, Virudhunagar with an authorized share capital of 18 crores rupees.
Complete Step by step answer -
The company was incorporated on 18 January 1965 as a fully state-owned corporation with the objective of setting up cement units in the public sector to help cement production in India. CCI is located in New Delhi. CCI currently has three profitable operating units and various regional centers spread across various Indian states and union territories with a total annual installed capacity of 38.48 lakh tonnes.
Cement is rarely used, but rather to bind sand and gravel (aggregate) together. Cement mixed with fine aggregate produces mortar for masonry, or concrete with sand and gravel. Cement utilized in construction are typically inorganic, usually supported by lime or Ca salt, which might be characterized as non hydraulic severally looking on the capability of the cement within the presence of water. Non Hydraulic cement is not set in wet conditions or beneath the water. Rather it sets because it dries and reacts with greenhouse gas within the air. It is proof against attack by chemicals when setting.
Hydraulic cement (eg, Portland cement) becomes set and adhesive due to a chemical reaction between dry material and water. This allows it to be installed in wet conditions or underwater and further protects the hard material from chemical attack.
So option C is the correct answer.
Note - World production is about four billion tons per year, of which about half is made in China. If the cement industry had been a country, it would have been the world's third-largest carbon dioxide emitter of up to 2 billion tons, surpassing only China and the United States. Initial calcination reaction in cement production accounts for about 4% of global CO2 emissions. The overall process accounts for approximately of global CO2 Emissions, in the form of cement kilns in which the reaction occurs, which are usually fired by coal or petroleum coke, due to the luminous flame required to heat the kiln by radiant heat transfer. As a result, cement production has a major contribution to climate change.
Complete Step by step answer -
The company was incorporated on 18 January 1965 as a fully state-owned corporation with the objective of setting up cement units in the public sector to help cement production in India. CCI is located in New Delhi. CCI currently has three profitable operating units and various regional centers spread across various Indian states and union territories with a total annual installed capacity of 38.48 lakh tonnes.
Cement is rarely used, but rather to bind sand and gravel (aggregate) together. Cement mixed with fine aggregate produces mortar for masonry, or concrete with sand and gravel. Cement utilized in construction are typically inorganic, usually supported by lime or Ca salt, which might be characterized as non hydraulic severally looking on the capability of the cement within the presence of water. Non Hydraulic cement is not set in wet conditions or beneath the water. Rather it sets because it dries and reacts with greenhouse gas within the air. It is proof against attack by chemicals when setting.
Hydraulic cement (eg, Portland cement) becomes set and adhesive due to a chemical reaction between dry material and water. This allows it to be installed in wet conditions or underwater and further protects the hard material from chemical attack.
So option C is the correct answer.
Note - World production is about four billion tons per year, of which about half is made in China. If the cement industry had been a country, it would have been the world's third-largest carbon dioxide emitter of up to 2 billion tons, surpassing only China and the United States. Initial calcination reaction in cement production accounts for about 4% of global CO2 emissions. The overall process accounts for approximately of global CO2 Emissions, in the form of cement kilns in which the reaction occurs, which are usually fired by coal or petroleum coke, due to the luminous flame required to heat the kiln by radiant heat transfer. As a result, cement production has a major contribution to climate change.
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