Furnace Technology Shaft furnaces are used for Smelting Calcining All of these Roasting Smelting Calcining All of these Roasting ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Combustion of furnace oil in a furnace (soaking pit) with preheated combustion air at 400°C results in saving of about __________ percent furnace oil as compared to its combustion with atmospheric air, if the flue gas outlet temperature from the soaking pit is 1200°C. 60 40 5 20 60 40 5 20 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The main function of a muffle in the muffle furnace is to Neither A nor B Protect the charge from the effects of the products of combustion Both A & B Smooth out temperature inequalities on the combustion side of the muffle wall Neither A nor B Protect the charge from the effects of the products of combustion Both A & B Smooth out temperature inequalities on the combustion side of the muffle wall ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Dampers are located Near the top of the chimney Before the I.D fan Anywhere after the I.D. fan After the I.D. fan Near the top of the chimney Before the I.D fan Anywhere after the I.D. fan After the I.D. fan ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Overfire burning in a furnace is a phenomenon characterised by None of these Burning carbon monoxide and other incombustible in upper zone of furnace by supplying more air Supply of excess fuel Supply of excess air None of these Burning carbon monoxide and other incombustible in upper zone of furnace by supplying more air Supply of excess fuel Supply of excess air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Turndown ratio of a burner gives an idea of the __________ in the furnace. Volume of the combustion chamber Range of fuel firing rates Minimum heat input rate only Maximum heat input rate only Volume of the combustion chamber Range of fuel firing rates Minimum heat input rate only Maximum heat input rate only ANSWER DOWNLOAD EXAMIANS APP