Furnace Technology Thermal efficiency of furnaces can be improved by Maintaining proper draught All of these Minimising heat losses from furnace walls Waste heat recovery from flue gas Maintaining proper draught All of these Minimising heat losses from furnace walls Waste heat recovery from flue gas ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Overfire burning in a furnace is a phenomenon characterised by 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 Burning carbon monoxide and other incombustible in upper zone of furnace by supplying more air Supply of excess air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Use of pulverised coal in boilers provides Smokeless burning Higher calorific value Less erosion on furnace wall Better combustion Smokeless burning Higher calorific value Less erosion on furnace wall Better combustion ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In case of pulverised coal fired steam boiler, the secondary air serves the main purpose of Transportation of coal Combustion of coal by supplying it around the burner Drying of coal Preheating the primary air Transportation of coal Combustion of coal by supplying it around the burner Drying of coal Preheating the primary air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Oxygen percentage in the flue gas coming out of a gaseous fuel fired furnace should be ideally about __________ percent. < 8 < 10 < 2 < 5 < 8 < 10 < 2 < 5 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The resistance furnace produces heat by the 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 Combination of induced current and skin effect Flow of current through a heating element ANSWER DOWNLOAD EXAMIANS APP
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