Furnace Technology The main function of a muffle in the muffle furnace is to Both A & B Neither A nor B Protect the charge from the effects of the products of combustion Smooth out temperature inequalities on the combustion side of the muffle wall Both A & B Neither A nor B Protect the charge from the effects of the products of combustion Smooth out temperature inequalities on the combustion side of the muffle wall ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The rate of scaling of furnace stock depends upon the Nature of atmosphere All of these Time Temperature Nature of atmosphere All of these Time Temperature 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 Flue gas temperature Emissivity of refractory walls Initial temperature of the charged stock Type of fuels viz solid, liquid or gaseous Flue gas temperature Emissivity of refractory walls Initial temperature of the charged stock ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In a muffle furnace, the muffle 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 Retards the heat transfer ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In a furnace employing forced draught as compared to induced draught, Positive pressure exists in the furnace The fan operates hot and hence blades are liable to corrosion and erosion Air is sucked in, so air leaks are more and hence the furnace efficiency is reduced None of these Positive pressure exists in the furnace The fan operates hot and hence blades are liable to corrosion and erosion Air is sucked in, so air leaks are more and hence the furnace efficiency is reduced None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Large tonnage of refractory bricks are dried in a Tunnel kiln Rotary hearth furnace Muffle furnace Shaft furnace Tunnel kiln Rotary hearth furnace Muffle furnace Shaft furnace ANSWER DOWNLOAD EXAMIANS APP