πŸ“Š Furnace Technology
Q. In order to maintain a reducing atmosphere in a furnace, it should have
  • (A) No O2 in flue gas
  • (B) CO in flue gas
  • (C) High excess air
  • (D) None of these
πŸ’¬ Discuss
βœ… Correct Answer: (B) CO in flue gas

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