Furnace Technology While the fuel fired furnace can be used upto a maximum temperature of about 1700°C, the electric furnace can be used upto a temperature of about __________ °C. 6000 3000 2000 4500 6000 3000 2000 4500 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Overfire burning in a furnace is a phenomenon characterised by Supply of excess fuel Supply of excess air Burning carbon monoxide and other incombustible in upper zone of furnace by supplying more air None of these Supply of excess fuel Supply of excess air Burning carbon monoxide and other incombustible in upper zone of furnace by supplying more air None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In case of pulverised coal fired steam boiler, the secondary air serves the main purpose of Drying of coal Combustion of coal by supplying it around the burner Transportation of coal Preheating the primary air Drying of coal Combustion of coal by supplying it around the burner Transportation of coal Preheating the primary air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ceramic recuperators compared to metallic recuperators for the same duty Are less costly Are lighter Occupy more space Have higher pressure differential between flue gas & air side Are less costly Are lighter Occupy more space Have higher pressure differential between flue gas & air side ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology An example of shaft furnace is the L.D. converter Glass melting tank Soaking pit Blast furnace L.D. converter Glass melting tank Soaking pit Blast furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Out of the following fuels used in a furnace exhausting flue gas at a temperature of 600°C, the percentage stack loss will be maximum in case of complete combustion of Furnace oil with oxygen Blast furnace gas with oxygen Blast furnace gas with air Furnace oil with air Furnace oil with oxygen Blast furnace gas with oxygen Blast furnace gas with air Furnace oil with air ANSWER DOWNLOAD EXAMIANS APP
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