Furnace Technology Fuel economy in furnaces can be achieved by Using oxygen enriched combustion air Preheating the combustion air All of these Reducing the heat loss through furnace openings & doors Using oxygen enriched combustion air Preheating the combustion air All of these Reducing the heat loss through furnace openings & doors ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The purpose of controlling the furnace atmosphere is to prevent surface attack by Sulphur penetration Oxidation/scaling Decarburising Either of the above Sulphur penetration Oxidation/scaling Decarburising Either of the above ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Size of the combustion chamber of a furnace depends upon the Preheat temperature of fuel & air All of these Method of mixing the fuel & air Heat release rate of the fuel Preheat temperature of fuel & air All of these Method of mixing the fuel & air Heat release rate of the fuel ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology __________ furnace is not an electric furnace. Induction Resistance Arc Pot Induction Resistance Arc Pot ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Regenerators as compared to recuperators for the same duty Store smaller quantity of waste heat Are lighter & compact Involve higher initial cost All of these Store smaller quantity of waste heat Are lighter & compact Involve higher initial cost All of these ANSWER DOWNLOAD EXAMIANS APP
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. 750 350 1050 1250 750 350 1050 1250 ANSWER DOWNLOAD EXAMIANS APP
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