1.

Duplex process of steel making is a combination of(a) Basic bessemer and acid open hearth processes(b) Acid bessemer and basic open hearth processes(c) Acid bessemer and acid open hearth processes(d) Basic bessemer and basic open hearth processes25.

Answer»

A two-stepprocedure in whichsteelis refined by one process(usually the Bessemer process) and finished by another process(usually open-hearth or electric-furnace). Also known as duplexing;duplexpractice.



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