Furnace Technology The function of an economiser in a boiler is to preheat the Furnace oil Feedwater Pulverised coal Combustion air Furnace oil Feedwater Pulverised coal Combustion air 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 fuel None of these Supply of excess air Burning carbon monoxide and other incombustible in upper zone of furnace by supplying more air Supply of excess fuel None of these Supply of excess air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Metallic recuperators are not used for waste heat recovery, if the hot flue gas temperature is above __________ °C, because corrosion prevails at higher temperatures. 350 1250 1050 750 350 1250 1050 750 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ceramic coating material for furnace refractory, which increases its emissivity and thus the radiation heat transfer rate in the furnace, comprises of Zircon powder Graphite powder Beryllium Thoria Zircon powder Graphite powder Beryllium Thoria ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Reverberatory furnace is used for Roasting/reduction of ores Steel melting Annealing steel coil Heating air Roasting/reduction of ores Steel melting Annealing steel coil Heating air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In practical operation of any furnace, zero oxygen percentage or theoretical CO₂ percentage in flue gas is rarely achieved, because of Imperfect mixing of fuel & air and infiltration of air Use of excessive positive draft in the furnace Use of non-preheated combustion air Use of pulverised solid fuels Imperfect mixing of fuel & air and infiltration of air Use of excessive positive draft in the furnace Use of non-preheated combustion air Use of pulverised solid fuels ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS