Furnace Technology Higher furnace temperature can not be achieved by use of a lean fuel gas in the furnace by Increasing the draft in the furnace Preheating the combustion air Preheating the fuel gas Oxygen enrichment of combustion air Increasing the draft in the furnace Preheating the combustion air Preheating the fuel gas Oxygen enrichment of combustion air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In furnaces operating at very high temperature (say) 1250°C, e.g. soaking pit), the maximum heat transfer takes place by Conduction Radiation Can not be predicted Convection Conduction Radiation Can not be predicted Convection ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In order to maintain an oxidising atmosphere in a furnace, it should have Less of excess air More of excess air More of CO in flue gas More of CO₂ in flue gas Less of excess air More of excess air More of CO in flue gas More of CO₂ in flue gas ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Tunnel kilns are usually used for Roasting of pyrites Melting of glass Reheating of slabs Drying/tempering of refractories Roasting of pyrites Melting of glass Reheating of slabs Drying/tempering of refractories ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Waste heat from the outgoing flue gases in a thermal power plant is recovered by a/an All of these Air preheater Economiser Steam superheater All of these Air preheater Economiser Steam superheater ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Design of waste heat boiler for recovery of waste heat from furnace gases depends upon the All of these Quantity & temperature of waste gas Corrosive nature of the waste gas Dust concentration & nature of dust in waste gas All of these Quantity & temperature of waste gas Corrosive nature of the waste gas Dust concentration & nature of dust in waste gas ANSWER DOWNLOAD EXAMIANS APP
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