Furnace Technology Ceramic recuperators (made of SiC) is economical, only when used for preheating combustion air above __________ °C. 250 650 1000 850 250 650 1000 850 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Advantages of use of preheated combustion air are All of these Saving in fuel consumption Increase in flame temperature Reduction in scale losses All of these Saving in fuel consumption Increase in flame temperature Reduction in scale losses ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Means for giving direction to the circulation of gases in furnaces are Location of outlet ports and heating & combustion devices Arrangement of heating stock in the furnaces Fans All of these Location of outlet ports and heating & combustion devices Arrangement of heating stock in the furnaces Fans All of these 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 Type of fuels viz solid, liquid or gaseous Flue gas temperature Emissivity of refractory walls Initial temperature of the charged stock Type of fuels viz solid, liquid or gaseous Flue gas temperature Emissivity of refractory walls ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Overall thermal efficiency of a lumpy coal fired suitably designed heating furnace, if operated & maintained properly may be about __________ percent. 65-70 44119 45-50 25-30 65-70 44119 45-50 25-30 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology __________ is an indirectly heated furnace. Muffle furnace Open hearth furnace Soaking pit Reheating furnace Muffle furnace Open hearth furnace Soaking pit Reheating furnace ANSWER DOWNLOAD EXAMIANS APP
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