Furnace Technology Metallic recuperators are not used for waste heat recovery, if the hot flue gas temperature is above __________ °C, because corrosion prevails at higher temperatures. 1050 350 1250 750 1050 350 1250 750 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Furnace pressure is normally controlled by regulating the Speed of I.D. fan Air pressure Fuel gas pressure Damper Speed of I.D. fan Air pressure Fuel gas pressure Damper ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Heat transfer rate to the charge/stock in a furnace does not depend upon the Type of fuels viz solid, liquid or gaseous Emissivity of refractory walls Flue gas temperature Initial temperature of the charged stock Type of fuels viz solid, liquid or gaseous Emissivity of refractory walls Flue gas temperature Initial temperature of the charged stock 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 Low emissivity Both A and B Neither A nor B High thermal conductivity Low emissivity Both A and B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following furnaces will have maximum thermal efficiency? Rotary kilns Boiler furnace Soaking pits Walking beam reheating furnace Rotary kilns Boiler furnace Soaking pits Walking beam reheating furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Design of waste heat boiler for recovery of waste heat from furnace gases depends upon the Quantity & temperature of waste gas All of these Corrosive nature of the waste gas Dust concentration & nature of dust in waste gas Quantity & temperature of waste gas All of these Corrosive nature of the waste gas Dust concentration & nature of dust in waste gas ANSWER DOWNLOAD EXAMIANS APP
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