Furnace Technology Air filtration in a furnace Reduces its thermal efficiency Increases the flue gas temperature Is indicated by flame sting out None of these Reduces its thermal efficiency Increases the flue gas temperature Is indicated by flame sting out None of these 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. 5 60 20 40 5 60 20 40 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In order to maintain an oxidising atmosphere in a furnace, it should have Less of excess air More of CO₂ in flue gas More of excess air More of CO in flue gas Less of excess air More of CO₂ in flue gas More of excess air More of CO in flue gas ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The resistance furnace produces heat by the Combination of induced current and skin effect Flow of current through a heating element None of these Electric arc struck between electrodes and the charge Combination of induced current and skin effect Flow of current through a heating element None of these Electric arc struck between electrodes and the charge 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 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 Very high pressure boilers are usually __________ boilers. Water tube Waste heat Natural circulation Fire tube Water tube Waste heat Natural circulation Fire tube ANSWER DOWNLOAD EXAMIANS APP