Furnace Technology In furnaces operating at very high temperature (say) 1250°C, e.g. soaking pit), the maximum heat transfer takes place by Radiation Convection Can not be predicted Conduction Radiation Convection Can not be predicted Conduction ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The reason for excessive clinker formation in gas producers is the 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 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 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In a muffle furnace, the muffle Retards the heat transfer All of these Permits the use of controlled atmosphere for the protection of stock Assists in temperature equalisation in the charge Retards the heat transfer All of these Permits the use of controlled atmosphere for the protection of stock Assists in temperature equalisation in the charge ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Example of an indirectly heated furnace is Hood annealing furnace Both A and B Neither A nor B Muffle furnace Hood annealing furnace Both A and B Neither A nor B Muffle furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The advantages of firing pulverised coal in the furnace lies in the fact that, it All of these Permits the use of high ash content coal Permits the use of low fusion point ash coal Accelerates the burning rate and economises on fuel consumption All of these Permits the use of high ash content coal Permits the use of low fusion point ash coal Accelerates the burning rate and economises on fuel consumption ANSWER DOWNLOAD EXAMIANS APP