Furnace Technology Fuel economy in an industrial furnace operation can not be achieved by the use of Recupterators Stoichiometric combustion air Non-preheated combustion air Combustion air not enriched with oxygen Recupterators Stoichiometric combustion air Non-preheated combustion air Combustion air not enriched with oxygen 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 Accelerating the rate of scaling Causing metal embrittlement All of these Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature Accelerating the rate of scaling Causing metal embrittlement All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In reverberatory furnace, charge is heated mainly by Radiation of heat from the roof of the combustion chamber Natural convection Conduction None of these Radiation of heat from the roof of the combustion chamber Natural convection Conduction None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Air filtration in a furnace Reduces its thermal efficiency Increases the flue gas temperature None of these Is indicated by flame sting out Reduces its thermal efficiency Increases the flue gas temperature None of these Is indicated by flame sting out ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Reverberatory furnace is used for Roasting/reduction of ores Annealing steel coil Steel melting Heating air Roasting/reduction of ores Annealing steel coil Steel melting Heating air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is the most suitable for preheating combustion air above 650°C ? Regenerator None of these Ceramic recuperator Metallic recuperator Regenerator None of these Ceramic recuperator Metallic recuperator ANSWER DOWNLOAD EXAMIANS APP
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