Question

Duplex process, used to manufacture steel, is a combination of which of the following two processes?

(a) Basic Bessemer process and basic open-hearth process

(b) Acid Bessemer process and acid open-hearth process

(c) Acid Bessemer process and basic open-hearth process

(d) Basic Bessemer process and acid open-hearth process

Answer 1

The correct option is (c) Acid Bessemer process and basic open-hearth process

The best explanation: Duplex process, used to manufacture steel, is a combination of acid Bessemer process and basic open-hearth process. This process is highly economical and has advantages of both Bessemer and open-hearth processes.