Furnace Technology Air filtration in a furnace Increases the flue gas temperature None of these Is indicated by flame sting out Reduces its thermal efficiency Increases the flue gas temperature None of these Is indicated by flame sting out Reduces its thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Low stack loss indicates the Use of sub-stoichiometric air for combustion Efficient use of fuel Inefficient use of fuel Oxygen enrichment of combustion air Use of sub-stoichiometric air for combustion Efficient use of fuel Inefficient use of fuel Oxygen enrichment of combustion air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Very high pressure boilers are usually __________ boilers. Fire tube Water tube Natural circulation Waste heat Fire tube Water tube Natural circulation Waste heat 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. 20 60 40 5 20 60 40 5 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
Furnace Technology Overfire burning in a furnace is a phenomenon characterised by Supply of excess air Supply of excess fuel Burning carbon monoxide and other incombustible in upper zone of furnace by supplying more air None of these Supply of excess air Supply of excess fuel Burning carbon monoxide and other incombustible in upper zone of furnace by supplying more air None of these ANSWER DOWNLOAD EXAMIANS APP