Furnace Technology In a furnace, the heat taken by the charge/stock and the heat lost to the furnace structure & flue gases depends on the Thermal conductivity of the charge & structural materials of furnace Nature of process ; whether batch, continuous or intermittant Rate of firing and emissivity of flame All of these Thermal conductivity of the charge & structural materials of furnace Nature of process ; whether batch, continuous or intermittant Rate of firing and emissivity of flame All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ceramic coating material for furnace refractory, which increases its emissivity and thus the radiation heat transfer rate in the furnace, comprises of Zircon powder Thoria Graphite powder Beryllium Zircon powder Thoria Graphite powder Beryllium ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is the most suitable for preheating combustion air above 650°C ? Metallic recuperator Regenerator None of these Ceramic recuperator Metallic recuperator Regenerator None of these Ceramic recuperator ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Large tonnage of refractory bricks are dried in a Tunnel kiln Rotary hearth furnace Muffle furnace Shaft furnace Tunnel kiln Rotary hearth furnace Muffle furnace Shaft furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is not an additive for flue gases from furnace to reduce its dew-point? Ammonia None of these Alkaline powders Fine dolomite Ammonia None of these Alkaline powders Fine dolomite ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Overall thermal efficiency of a lumpy coal fired suitably designed heating furnace, if operated & maintained properly may be about __________ percent. 45-50 44119 65-70 25-30 45-50 44119 65-70 25-30 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS