Furnace Technology In case of pulverised coal fired steam boiler, the secondary air serves the main purpose of Preheating the primary air Drying of coal Transportation of coal Combustion of coal by supplying it around the burner Preheating the primary air Drying of coal Transportation of coal Combustion of coal by supplying it around the burner ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Regenerators are normally provided in the Glass melting furnace By product coke ovens All of these Open hearth furnace Glass melting furnace By product coke ovens All of these Open hearth furnace 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 High thermal conductivity Both A and B Neither A nor B Low emissivity High thermal conductivity Both A and B Neither A nor B Low emissivity ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Fuel used in B.F. stove is Blast furnace gas/mixed gas Coke oven gas Furnace oil Pulverised coal Blast furnace gas/mixed gas Coke oven gas Furnace oil Pulverised coal ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The rate of scaling of furnace stock depends upon the Nature of atmosphere All of these Time Temperature Nature of atmosphere All of these Time Temperature ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In order to maintain a reducing atmosphere in a furnace, it should have No O₂ in flue gas CO in flue gas High excess air None of these No O₂ in flue gas CO in flue gas High excess air None of these ANSWER DOWNLOAD EXAMIANS APP