Furnace Technology Design of waste heat boiler for recovery of waste heat from furnace gases depends upon the 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 All of these Quantity & temperature of waste gas Corrosive nature of the waste gas ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thermal efficiency of furnaces can be improved by Maintaining proper draught Minimising heat losses from furnace walls Waste heat recovery from flue gas All of these Maintaining proper draught Minimising heat losses from furnace walls Waste heat recovery from flue gas All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Presence of SO₂ in furnace gases attacks the ferrous metal by way of All of these Accelerating the rate of scaling Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature Causing metal embrittlement All of these Accelerating the rate of scaling Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature Causing metal embrittlement 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 The function of an economiser in a boiler is to preheat the Feedwater Combustion air Furnace oil Pulverised coal Feedwater Combustion air Furnace oil Pulverised coal ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Heat balance of furnace provides means of determining the Sources of heat losses All of these Thermal efficiency of the process Scope of reduction of heat losses Sources of heat losses All of these Thermal efficiency of the process Scope of reduction of heat losses ANSWER DOWNLOAD EXAMIANS APP