Furnace Technology In which of the following furnaces, the gases are sucked through the stock bed from below? Sintering machine Soaking pit Beehive oven None of these Sintering machine Soaking pit Beehive oven None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Amount of coal lost in ash particle, which is carried through the boiler system, depends upon the Amount of excess air supplied and load on the boiler Type of burner and combustion chamber All of these Physical nature, ash content and fineness of the coal Amount of excess air supplied and load on the boiler Type of burner and combustion chamber All of these Physical nature, ash content and fineness of the coal ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which is not accomplished in an underfired furnace? Increase in heating capacity/m² of floor space Portection of the periphery of the charge from excessive radiation Elimination of cold spot at the bottom of the charge Reduction in the temperature of furnace gases Increase in heating capacity/m² of floor space Portection of the periphery of the charge from excessive radiation Elimination of cold spot at the bottom of the charge Reduction in the temperature of furnace gases ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Presence of SO₂ in furnace gases attacks the ferrous metal by way of Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature All of these Causing metal embrittlement Accelerating the rate of scaling Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature All of these Causing metal embrittlement Accelerating the rate of scaling ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Low stack loss indicates the Oxygen enrichment of combustion air Use of sub-stoichiometric air for combustion Inefficient use of fuel Efficient use of fuel Oxygen enrichment of combustion air Use of sub-stoichiometric air for combustion Inefficient use of fuel Efficient use of fuel ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Combustion of furnace oil in a furnace (soaking pit) with preheated combustion air at 400°C results in saving of about __________ percent furnace oil as compared to its combustion with atmospheric air, if the flue gas outlet temperature from the soaking pit is 1200°C. 60 40 20 5 60 40 20 5 ANSWER DOWNLOAD EXAMIANS APP
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