Sulphur melting pit in the sulphuric acid plant is made of__________________?
Correct answer: B. Steel or cement-brick lined
- A. Lead lined stainless steel
- B. Steel or cement-brick lined
- C. Cast iron
- D. Hard wood
Explanation
A sulphur melting pit is commonly constructed from steel with a cement-brick lining to withstand heat and protect the steel from the molten sulphur environment. The lining provides the necessary thermal and chemical protection.
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