Dampers are located__________________?
Correct answer: A. Before the I.D fan
- A. Before the I.D fan
- B. After the I.D. fan
- C. Near the top of the chimney
- D. Anywhere after the I.D. fan
Explanation
The damper is placed on the furnace side of the induced-draught fan so it can regulate flue-gas flow and furnace pressure before the fan draws the gases away. Placing it after the fan would not provide the usual direct control of furnace draught.
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