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 The reason for excessive clinker formation in gas producers is the Use of fuel having too low an ash fusion temperature Development of hot spots in the fuel bed and an abnormally high rate of gasification All of these Use of coal/coke containing a high % of fines and ash Use of fuel having too low an ash fusion temperature Development of hot spots in the fuel bed and an abnormally high rate of gasification All of these Use of coal/coke containing a high % of fines and ash ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In a muffle furnace, the muffle Assists in temperature equalisation in the charge All of these Retards the heat transfer Permits the use of controlled atmosphere for the protection of stock Assists in temperature equalisation in the charge All of these Retards the heat transfer Permits the use of controlled atmosphere for the protection of stock ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Example of an indirectly heated furnace is Muffle furnace Hood annealing furnace Both A and B Neither A nor B Muffle furnace Hood annealing furnace Both A and B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The advantages of firing pulverised coal in the furnace lies in the fact that, it Permits the use of low fusion point ash coal Accelerates the burning rate and economises on fuel consumption Permits the use of high ash content coal All of these Permits the use of low fusion point ash coal Accelerates the burning rate and economises on fuel consumption Permits the use of high ash content coal All of these ANSWER DOWNLOAD EXAMIANS APP