Furnace Technology Combustion of fuel in a furnace with oxygen enriched air results in higher Flame temperature Stack loss Flue gas volume Fuel consumption Flame temperature Stack loss Flue gas volume Fuel consumption ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The heating capacity of muffle furnace depends on the Both A & B Properties of the muffle wall (temperature, area, emissivity) Neither A nor B Surface area & emissivity of the stock Both A & B Properties of the muffle wall (temperature, area, emissivity) Neither A nor B Surface area & emissivity of the stock ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Overfire burning in a furnace is a phenomenon characterised by Burning carbon monoxide and other incombustible in upper zone of furnace by supplying more air Supply of excess air None of these Supply of excess fuel Burning carbon monoxide and other incombustible in upper zone of furnace by supplying more air Supply of excess air None of these Supply of excess fuel ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Heat transfer rate to the charge/stock in a furnace does not depend upon the Flue gas temperature Initial temperature of the charged stock Emissivity of refractory walls Type of fuels viz solid, liquid or gaseous Flue gas temperature Initial temperature of the charged stock Emissivity of refractory walls Type of fuels viz solid, liquid or gaseous ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Forced recirculation of furnace gases is practised To ensure uniform temperature All of these In furnaces, operating below 750°C To increase heat transfer by convection To ensure uniform temperature All of these In furnaces, operating below 750°C To increase heat transfer by convection ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In order to maintain an oxidising atmosphere in a furnace, it should have More of CO₂ in flue gas Less of excess air More of excess air More of CO in flue gas More of CO₂ in flue gas Less of excess air More of excess air More of CO in flue gas ANSWER DOWNLOAD EXAMIANS APP