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 None of these Supply of excess fuel Supply of excess air Burning carbon monoxide and other incombustible in upper zone of furnace by supplying more air None of these Supply of excess fuel Supply of excess air 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 CO in flue gas More of excess air More of CO₂ in flue gas Less of excess air More of CO in flue gas More of excess air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Forced recirculation of furnace gases is practised In furnaces, operating below 750°C To ensure uniform temperature All of these To increase heat transfer by convection In furnaces, operating below 750°C To ensure uniform temperature All of these To increase heat transfer by convection ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ceramic recuperators (made of SiC) is economical, only when used for preheating combustion air above __________ °C. 650 1000 250 850 650 1000 250 850 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The rate of scaling of furnace stock depends upon the Time Nature of atmosphere All of these Temperature Time Nature of atmosphere All of these Temperature ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology An example of indirectly heated furnace is the Reheating furnace Muffle furnace None of these Soaking pit Reheating furnace Muffle furnace None of these Soaking pit ANSWER DOWNLOAD EXAMIANS APP
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