The process of removal of scale formed during hot rolling of steel is termed as_________________?
Correct answer: C. Pickling
- A. Descaling
- B. Shot blasting
- C. Pickling
- D. Skimming
Explanation
Pickling removes oxide scale from hot-rolled steel by chemical action, commonly using an acid bath. Descaling is a broader term that may include mechanical methods, but the named steel-treatment process is pickling.
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