Furnace Technology Out of the following fuels used in a furnace exhausting flue gas at a temperature of 600°C, the percentage stack loss will be maximum in case of complete combustion of Blast furnace gas with air Furnace oil with air Blast furnace gas with oxygen Furnace oil with oxygen Blast furnace gas with air Furnace oil with air Blast furnace gas with oxygen Furnace oil with oxygen ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which is a continuous furnace? Annealing furnace Coke ovens None of these Glass tank furnace Annealing furnace Coke ovens None of these Glass tank furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Heat transfer rate to the charge/stock in a furnace does not depend upon the Type of fuels viz solid, liquid or gaseous Initial temperature of the charged stock Flue gas temperature Emissivity of refractory walls Type of fuels viz solid, liquid or gaseous Initial temperature of the charged stock Flue gas temperature Emissivity of refractory walls ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Circulation of gases in furnace is caused by the Change in volume during a change of temperature Difference in density between hot and cold gases All of these Furnace pressure in conjunction with draft in flues Change in volume during a change of temperature Difference in density between hot and cold gases All of these Furnace pressure in conjunction with draft in flues ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Turndown ratio of a burner gives an idea of the __________ in the furnace. Range of fuel firing rates Volume of the combustion chamber Minimum heat input rate only Maximum heat input rate only Range of fuel firing rates Volume of the combustion chamber Minimum heat input rate only Maximum heat input rate only ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Presence of SO₂ in furnace gases attacks the ferrous metal by way of Accelerating the rate of scaling Causing metal embrittlement Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature All of these Accelerating the rate of scaling Causing metal embrittlement Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature All of these ANSWER DOWNLOAD EXAMIANS APP