Means For Giving Direction To The Circulation Of Gases In Furnaces Are____________________

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.

A. Temperature of flue gas B. Thermal conductivity of stock C. Thickness of heating stock D. All A., B. and C....

A. By-product coke oven B. Calcination kiln C. Sintering furnace D. Open hearth furnace...

A. Temperature B. Time C. Nature of atmosphere D. All A., B. and C....

A. Coke oven heating chamber B. Open hearth furnace C. Both A. and B. D. Neither A. nor B....

A. Range of fuel firing rates B. Volume of the combustion chamber C. Maximum heat input rate only D. Minimum heat input rate only...

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