Furnace Technology Ceramic recuperators compared to metallic recuperators for the same duty Have higher pressure differential between flue gas & air side Occupy more space Are less costly Are lighter Have higher pressure differential between flue gas & air side Occupy more space Are less costly Are lighter ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Protective gas used in the annealing furnace for steel coil comprises of 95% N₂ + 5% H₂ 100 %H₂ 100% CO 5% H₂ + 9% N₂ 95% N₂ + 5% H₂ 100 %H₂ 100% CO 5% H₂ + 9% N₂ ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Reducing atmosphere is maintained in a Calcination kiln L.D. converter Soaking pit Blast furnace Calcination kiln L.D. converter Soaking pit Blast furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following advantages is not associated with the use of preheated air for combustion of a fuel in the furnace? Reduction in scale losses Increase in calorific value of the fuel Increase in flame temperature Saving in fuel consumption Reduction in scale losses Increase in calorific value of the fuel Increase in flame temperature Saving in fuel consumption ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology To reduce the stack loss, heat recovery from flue gas can be done by Preheating of cold stock All of these Steam generation in waste heat boilers Preheating of combustion air Preheating of cold stock All of these Steam generation in waste heat boilers Preheating of combustion air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology An example of shaft furnace is the Blast furnace Soaking pit Glass melting tank L.D. converter Blast furnace Soaking pit Glass melting tank L.D. converter ANSWER DOWNLOAD EXAMIANS APP
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