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GATE 2020 MT – Question 28

Mineral Processing and Extractive Metallurgy · Ironmaking · 1 mark · Multiple choice

A cupola furnace is used to produce

  1. Cast irons
  2. Plain carbon steels
  3. Copper alloys
  4. Aluminium alloys

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Show answer and explanation

Correct answer: (A) Cast irons

Explanation

A cupola is a coke-fired shaft furnace used primarily to melt cast iron for foundry production. Its charge and fuel arrangement suit continuous iron melting and adjustment of composition. Thus A; ordinary steelmaking and nonferrous melting use different principal furnace processes.

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