📊 Furnace Technology
Q. Ingress of cold air in the furnaces through cracks, charging doors, openings etc.
  • (A) Reduces the flue gas temperature and makes the furnace atmosphere oxidising
  • (B) Increases the load on the induced draft fan
  • (C) Reduces the furnace draught
  • (D) All of the above
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✅ Correct Answer: (D) All of the above

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