Furnace Technology Maximum heat transfer in high temperature furnaces is by Radiation Either A, B or C; depends on the type of furnace Convection Conduction Radiation Either A, B or C; depends on the type of furnace Convection Conduction ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In practical operation of any furnace, zero oxygen percentage or theoretical CO₂ percentage in flue gas is rarely achieved, because of Use of pulverised solid fuels Use of non-preheated combustion air Imperfect mixing of fuel & air and infiltration of air Use of excessive positive draft in the furnace Use of pulverised solid fuels Use of non-preheated combustion air Imperfect mixing of fuel & air and infiltration of air Use of excessive positive draft in the furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thermal efficiency of blast furnace stoves used for heating blast (air) may be about __________ percent. 60 40 80 20 60 40 80 20 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In salt bath furnace, heat is transferred to the charge mainly by Conduction Radiation Convection None of these Conduction Radiation Convection None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The function of an economiser in a boiler is to preheat the Feedwater Combustion air Furnace oil Pulverised coal Feedwater Combustion air Furnace oil Pulverised coal ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Heat balance of furnace provides means of determining the All of these Sources of heat losses Thermal efficiency of the process Scope of reduction of heat losses All of these Sources of heat losses Thermal efficiency of the process Scope of reduction of heat losses ANSWER DOWNLOAD EXAMIANS APP
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