Which furnace employs an I.D. fan for the removal of flue gases from the furnace ?
Correct answer: D. High pressure boiler
- A. Coke oven
- B. Blast furnace stoves
- C. Beehive coke oven
- D. High pressure boiler
Explanation
A high-pressure boiler commonly uses an induced-draught fan to draw flue gases through the furnace and boiler passes before discharge. The other listed furnaces generally use different draught arrangements or are not characterised by this service.
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