Furnace Technology In case of pulverised coal fired steam boiler, the secondary air serves the main purpose of Transportation of coal Preheating the primary air Drying of coal Combustion of coal by supplying it around the burner Transportation of coal Preheating the primary air Drying of coal Combustion of coal by supplying it around the burner ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Heat transfer rate to the stock/charge in the furnace does not depend upon the Use of waste heat recovery equipments Thickness of the stock Emissivity of the refactory walls Size of the furance Use of waste heat recovery equipments Thickness of the stock Emissivity of the refactory walls Size of the furance ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The function of an economiser in a boiler is to preheat the Feedwater Furnace oil Pulverised coal Combustion air Feedwater Furnace oil Pulverised coal Combustion air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In which of the waste heat recovery equipment, the flow of flue gas and air is alternately reversed after a fixed interval of time? Waste heat boiler Regenerator None of these Recuperator Waste heat boiler Regenerator None of these Recuperator ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Reducing atmosphere is maintained in a Soaking pit L.D. converter Blast furnace Calcination kiln Soaking pit L.D. converter Blast furnace Calcination kiln ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The thermal efficiency of an air/fuel gas preheating recuperator may be as high as __________ percent. 65 50 85 99 65 50 85 99 ANSWER DOWNLOAD EXAMIANS APP