Furnace Technology In furnaces operating at very high temperature (say) 1250°C, e.g. soaking pit), the maximum heat transfer takes place by Radiation Conduction Convection Can not be predicted Radiation Conduction Convection Can not be predicted ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following variables does not affect the furnace capacity? Size of the furnace None of these Ratio of wall surface to surface of stock Gas velocity in furnace Size of the furnace None of these Ratio of wall surface to surface of stock Gas velocity in furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Dampers are located After the I.D. fan Anywhere after the I.D. fan Near the top of the chimney Before the I.D fan After the I.D. fan Anywhere after the I.D. fan Near the top of the chimney Before the I.D fan ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In case of pulverised coal fired steam boiler, the secondary air serves the main purpose of Drying of coal Transportation of coal Combustion of coal by supplying it around the burner Preheating the primary air Drying of coal Transportation of coal Combustion of coal by supplying it around the burner Preheating the primary air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Example of an indirectly heated furnace is Muffle furnace Hood annealing furnace Neither A nor B Both A and B Muffle furnace Hood annealing furnace Neither A nor B Both A and B ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The reason for excessive clinker formation in gas producers is the Use of fuel having too low an ash fusion temperature Use of coal/coke containing a high % of fines and ash Development of hot spots in the fuel bed and an abnormally high rate of gasification All of these Use of fuel having too low an ash fusion temperature Use of coal/coke containing a high % of fines and ash Development of hot spots in the fuel bed and an abnormally high rate of gasification All of these ANSWER DOWNLOAD EXAMIANS APP
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