Furnace Technology Heat transfer rate to the charge/stock in a furnace does not depend upon the Emissivity of refractory walls Type of fuels viz solid, liquid or gaseous Initial temperature of the charged stock Flue gas temperature Emissivity of refractory walls Type of fuels viz solid, liquid or gaseous Initial temperature of the charged stock Flue gas temperature ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is not an additive for flue gases from furnace to reduce its dew-point? Ammonia None of these Alkaline powders Fine dolomite Ammonia None of these Alkaline powders Fine dolomite ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Fuel economy in furnaces can be achieved by All of these Preheating the combustion air Using oxygen enriched combustion air Reducing the heat loss through furnace openings & doors All of these Preheating the combustion air Using oxygen enriched combustion air Reducing the heat loss through furnace openings & doors ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In a furnace operation, which is not preheated? Solid fuels Both A and B Neither A nor B Hydrocarbon containing fuel gases (e.g. coke oven gas, refinery gas etc.) Solid fuels Both A and B Neither A nor B Hydrocarbon containing fuel gases (e.g. coke oven gas, refinery gas etc.) ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The heating capacity of continuous reheating furnace depends upon the All of these Emissivity of the stock Hearth area and furnace temperature Ratio of wall surface to stock surface All of these Emissivity of the stock Hearth area and furnace temperature Ratio of wall surface to stock surface ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Temperature of a furnace fired with low calorific value fuel gas (i.e. lean gas) can be increased by Preheating the combustion air Preheating the fuel gas All of these Oxygen enrichment of combustion air Preheating the combustion air Preheating the fuel gas All of these Oxygen enrichment of combustion air ANSWER DOWNLOAD EXAMIANS APP