Furnace Technology Artificial draught produced by a fan in the furnace can be controlled by the Damper All of these Speed of the fan Variation in the pitch of fan blades Damper All of these Speed of the fan Variation in the pitch of fan blades ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Heat transfer rate to the charge/stock in a furnace does not depend upon the Flue gas temperature Emissivity of refractory walls Initial temperature of the charged stock Type of fuels viz solid, liquid or gaseous Flue gas temperature Emissivity of refractory walls Initial temperature of the charged stock Type of fuels viz solid, liquid or gaseous ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The thermal efficiency of an air/fuel gas preheating recuperator may be as high as __________ percent. 85 50 99 65 85 50 99 65 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Waste heat from the outgoing flue gases in a thermal power plant is recovered by a/an Steam superheater Air preheater All of these Economiser Steam superheater Air preheater All of these Economiser ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Combustion of furnace oil in a furnace (soaking pit) with preheated combustion air at 400°C results in saving of about __________ percent furnace oil as compared to its combustion with atmospheric air, if the flue gas outlet temperature from the soaking pit is 1200°C. 60 5 40 20 60 5 40 20 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Soaking pits are meant for heating steel Sheets Coils Ingots Slabs Sheets Coils Ingots Slabs ANSWER DOWNLOAD EXAMIANS APP