Furnace Technology Thermal efficiency of a limestone calcination rotary kiln may be around __________ percent. 80 65 40 20 80 65 40 20 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which furnace employs natural draft? Boiler Coke oven Rotary kilns L.D. converter Boiler Coke oven Rotary kilns L.D. converter 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 Low emissivity High thermal conductivity Both A and B Neither A nor B Low emissivity High thermal conductivity Both A and B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Heat transfer rate to the charge/stock in a furnace does not depend upon the Flue gas temperature Type of fuels viz solid, liquid or gaseous Initial temperature of the charged stock Emissivity of refractory walls Flue gas temperature Type of fuels viz solid, liquid or gaseous Initial temperature of the charged stock Emissivity of refractory walls ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is a directly fired intermittant furnace? Tunnel kiln Walking beam reheating furnace Tower furnace Reverberatory furnace Tunnel kiln Walking beam reheating furnace Tower furnace Reverberatory furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is the most suitable for preheating combustion air above 650°C ? Regenerator Ceramic recuperator Metallic recuperator None of these Regenerator Ceramic recuperator Metallic recuperator None of these ANSWER DOWNLOAD EXAMIANS APP
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