Furnace Technology Heat transfer rate to the charge/stock in a furnace does not depend upon the Emissivity of refractory walls Initial temperature of the charged stock Flue gas temperature Type of fuels viz solid, liquid or gaseous Emissivity of refractory walls Initial temperature of the charged stock Flue gas temperature Type of fuels viz solid, liquid or gaseous ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ceramic recuperators (made of SiC) is economical, only when used for preheating combustion air above __________ °C. 250 1000 650 850 250 1000 650 850 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology __________ atmosphere is maintained inside an iron blast furnace. Oxidising Decarburising Reducing Inert Oxidising Decarburising Reducing Inert ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Rotary kilns are used in the Calcination of limestone & dolomite Cement manufacture Neither A nor B Both A and B Calcination of limestone & dolomite Cement manufacture Neither A nor B Both A and B ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is a natural draft furnace? Power plant boilers Blast furnace stoves Sintering furnace None of these Power plant boilers Blast furnace stoves Sintering furnace None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Advantages of use of preheated combustion air are Increase in flame temperature Saving in fuel consumption All of these Reduction in scale losses Increase in flame temperature Saving in fuel consumption All of these Reduction in scale losses ANSWER DOWNLOAD EXAMIANS APP
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