Means for giving direction to the circulation of gases in furnaces are_____________________?
Correct answer: D. All A., B. and C.
- A. Fans
- B. Arrangement of heating stock in the furnaces
- C. Location of outlet ports and heating & combustion devices
- D. All A., B. and C.
Explanation
Gas circulation in a furnace is controlled by fan action, the arrangement of the stock, and the positions of outlets and heating or combustion devices. Since all three influence the flow path, option D is complete.
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