In a furnace, the heat taken by the charge/stock and the heat lost to the furnace structure & flue gases depends on the__________________?
A. Rate of firing and emissivity of flame
B. Thermal conductivity of the charge & structural materials of furnace
C. Nature of process; whether batch, continuous or intermittent
D. All A., B. and C.
Related Questions on Furnace Technology Mcqs for Chemical
Which of the following variables affects the furnace capacity ?
A. Temperature of flue gas
B. Thermal conductivity of stock
C. Thickness of heating stock
D. All A., B. and C.
Scaling of furnace stock is reduced by _______________ in flue gas?
A. CO
B. H2
C. High CO/CO2
D. All A., B. & C.
A. Walking beam
B. Shaft
C. Tunnel
D. Rotary hearth
Forced recirculation of furnace gases is practised_______________?
A. To increase heat transfer by convection
B. To ensure uniform temperature
C. In furnaces, operating below 750°C
D. All A., B. and C.