Furnace Technology Heat balance of furnace provides means of determining the Thermal efficiency of the process All of these Sources of heat losses Scope of reduction of heat losses Thermal efficiency of the process All of these Sources of heat losses Scope of reduction of heat losses ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Turn down ratio of a burner Is the ratio of maximum to minimum permissible heat input rates Should be 1:1 for a batch type furnace. Should be as low as possible i.e., 1 : 2 Is normally much more for a continuous furnace as compared to a batch furnace Is the ratio of maximum to minimum permissible heat input rates Should be 1:1 for a batch type furnace. Should be as low as possible i.e., 1 : 2 Is normally much more for a continuous furnace as compared to a batch furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Decarburisation of steel All of these Affects its crystalline structure Is favoured by CO₂ Is the removal of carbon from iron carbide (Fe₃C) All of these Affects its crystalline structure Is favoured by CO₂ Is the removal of carbon from iron carbide (Fe₃C) ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thermal efficiency of furnaces can be improved by All of these Minimising heat losses from furnace walls Waste heat recovery from flue gas Maintaining proper draught All of these Minimising heat losses from furnace walls Waste heat recovery from flue gas Maintaining proper draught ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Blast furnace stoves are meant for heating Air Blast furnace gas Steam None of these Air Blast furnace gas Steam None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Higher furnace temperature can not be achieved by use of a lean fuel gas in the furnace by Oxygen enrichment of combustion air Preheating the combustion air Increasing the draft in the furnace Preheating the fuel gas Oxygen enrichment of combustion air Preheating the combustion air Increasing the draft in the furnace Preheating the fuel gas ANSWER DOWNLOAD EXAMIANS APP
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