Furnace Technology While the fuel fired furnace can be used upto a maximum temperature of about 1700°C, the electric furnace can be used upto a temperature of about __________ °C. 4500 2000 6000 3000 4500 2000 6000 3000 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Hearth furnaces are not used for Melting Roasting None of these Reheating Melting Roasting None of these Reheating ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thermal efficiency of an open hearth furnace may be about __________ percent. 80 50 5 20 80 50 5 20 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology If fuel and air are mixed ahead of the burner, it is called a/an __________ burner. Outside mixing type Diffusion Rotary Premix Outside mixing type Diffusion Rotary Premix ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Heat transfer rate to the charge/stock in a furnace does not depend upon the Initial temperature of the charged stock Emissivity of refractory walls Type of fuels viz solid, liquid or gaseous Flue gas temperature Initial temperature of the charged stock Emissivity of refractory walls Type of fuels viz solid, liquid or gaseous Flue gas temperature ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology A refractory wall separating the stock and the source of heat is provided in a Continuous furnace Updraft kiln Muffle furnace None of these Continuous furnace Updraft kiln Muffle furnace None of these ANSWER DOWNLOAD EXAMIANS APP
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