Furnace Technology The heating capacity of continuous reheating furnace depends upon the Ratio of wall surface to stock surface All of these Emissivity of the stock Hearth area and furnace temperature Ratio of wall surface to stock surface All of these Emissivity of the stock Hearth area and furnace temperature ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Turn down ratio of a burner Is normally much more for a continuous furnace as compared to a batch furnace Should be as low as possible i.e., 1 : 2 Is the ratio of maximum to minimum permissible heat input rates Should be 1:1 for a batch type furnace. Is normally much more for a continuous furnace as compared to a batch furnace Should be as low as possible i.e., 1 : 2 Is the ratio of maximum to minimum permissible heat input rates Should be 1:1 for a batch type furnace. ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Maximum heat transfer in high temperature furnaces is by Radiation Convection Conduction Either A, B or C; depends on the type of furnace Radiation Convection Conduction Either A, B or C; depends on the type of furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Decarburisation of steel Is favoured by CO₂ Affects its crystalline structure Is the removal of carbon from iron carbide (Fe₃C) All of these Is favoured by CO₂ Affects its crystalline structure Is the removal of carbon from iron carbide (Fe₃C) All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Overall thermal efficiency of a lumpy coal fired suitably designed heating furnace, if operated & maintained properly may be about __________ percent. 45-50 25-30 65-70 44119 45-50 25-30 65-70 44119 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Low stack loss indicates the Efficient use of fuel Inefficient use of fuel Oxygen enrichment of combustion air Use of sub-stoichiometric air for combustion Efficient use of fuel Inefficient use of fuel Oxygen enrichment of combustion air Use of sub-stoichiometric air for combustion ANSWER DOWNLOAD EXAMIANS APP
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