Furnace Technology The electric furnace in which heat is produced by a combination of induced current and skin effect is called __________ furnace. High frequency induction Low frequency induction Resistance Arc High frequency induction Low frequency induction Resistance Arc 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 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 The amount of combustible escaping uncon-sumed from the furnace, depends upon the All of these Air preheat and the flow of gases in the furnace (mixing by induction, by acceleration or by change of direction) Burner design (thoroughness of mixing versus stratification) Air supplied and furnace temperature All of these Air preheat and the flow of gases in the furnace (mixing by induction, by acceleration or by change of direction) Burner design (thoroughness of mixing versus stratification) Air supplied and furnace temperature ANSWER DOWNLOAD EXAMIANS APP
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. 4500 3000 6000 2000 4500 3000 6000 2000 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Oxygen percentage in the flue gas coming out of a gaseous fuel fired furnace should be ideally about __________ percent. < 2 < 5 < 8 < 10 < 2 < 5 < 8 < 10 ANSWER DOWNLOAD EXAMIANS APP
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