Furnace Technology Which furnace employs natural draft? Boiler L.D. converter Coke oven Rotary kilns Boiler L.D. converter Coke oven Rotary kilns ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Higher furnace temperature can not be achieved by use of a lean fuel gas in the furnace by Preheating the combustion air Oxygen enrichment of combustion air Increasing the draft in the furnace Preheating the fuel gas Preheating the combustion air Oxygen enrichment of combustion air Increasing the draft in the furnace Preheating the fuel gas 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? Saving in fuel consumption Increase in calorific value of the fuel Increase in flame temperature Reduction in scale losses Saving in fuel consumption Increase in calorific value of the fuel Increase in flame temperature Reduction in scale losses 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 Both A and B Neither A nor B Low emissivity High thermal conductivity Both A and B Neither A nor B Low emissivity ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following variables does not affect the furnace capacity? None of these Gas velocity in furnace Size of the furnace Ratio of wall surface to surface of stock None of these Gas velocity in furnace Size of the furnace Ratio of wall surface to surface of stock ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The thermal efficiency of a steel slab reheating furnace (walking beam type) may be about __________ percent. 70 85 15 40 70 85 15 40 ANSWER DOWNLOAD EXAMIANS APP
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