Furnace Technology In case of pulverised coal fired steam boiler, the secondary air serves the main purpose of Preheating the primary air Transportation of coal Drying of coal Combustion of coal by supplying it around the burner Preheating the primary air Transportation of coal Drying of coal Combustion of coal by supplying it around the burner ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thickness of stock does not affect the fuel economy of furnaces, if the material to be heated is of Neither A nor B Low emissivity Both A and B High thermal conductivity Neither A nor B Low emissivity Both A and B High thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In a furnace, the heat taken by the charge/stock and the heat lost to the furnace structure & flue gases depends on the Rate of firing and emissivity of flame All of these Thermal conductivity of the charge & structural materials of furnace Nature of process ; whether batch, continuous or intermittant Rate of firing and emissivity of flame All of these Thermal conductivity of the charge & structural materials of furnace Nature of process ; whether batch, continuous or intermittant ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ostwald charts are meant for Computing the excess/deficiency of combustion air Calculation of flue gas temperature None of these Computation of flue gas analysis Computing the excess/deficiency of combustion air Calculation of flue gas temperature None of these Computation of flue gas analysis ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Maximum thermal efficiency of boiler may be about __________ percent. 25 90 10 65 25 90 10 65 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Regenerators are used for waste heat recovery in By-product coke ovens Blast furnace stoves Beehive coke oven Soaking pits By-product coke ovens Blast furnace stoves Beehive coke oven Soaking pits ANSWER DOWNLOAD EXAMIANS APP
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