Furnace Technology Scaling of furnace stock is reduced by __________ in flue gas. All of these High CO/CO₂ CO H₂ All of these High CO/CO₂ CO H₂ ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Turn down ratio of a burner Is the ratio of maximum to minimum permissible heat input rates Is normally much more for a continuous furnace as compared to a batch furnace Should be 1:1 for a batch type furnace. Should be as low as possible i.e., 1 : 2 Is the ratio of maximum to minimum permissible heat input rates Is normally much more for a continuous furnace as compared to a batch furnace Should be 1:1 for a batch type furnace. Should be as low as possible i.e., 1 : 2 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thermal efficiency of an open hearth furnace may be about __________ percent. 20 5 80 50 20 5 80 50 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which is not accomplished in an underfired furnace? Increase in heating capacity/m² of floor space Reduction in the temperature of furnace gases Elimination of cold spot at the bottom of the charge Portection of the periphery of the charge from excessive radiation Increase in heating capacity/m² of floor space Reduction in the temperature of furnace gases Elimination of cold spot at the bottom of the charge Portection of the periphery of the charge from excessive radiation ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In which of the waste heat recovery equipment, the flow of flue gas and air is alternately reversed after a fixed interval of time? Waste heat boiler Recuperator Regenerator None of these Waste heat boiler Recuperator Regenerator None of these 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
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