Furnace Technology Heat transfer takes place through a liquid medium surrounding the submerged material under heating, in case of a/an Salt bath furnace Annealing furnace Blast furnace Steam boiler Salt bath furnace Annealing furnace Blast furnace Steam boiler ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In practical operation of any furnace, zero oxygen percentage or theoretical CO₂ percentage in flue gas is rarely achieved, because of Use of pulverised solid fuels Imperfect mixing of fuel & air and infiltration of air Use of non-preheated combustion air Use of excessive positive draft in the furnace Use of pulverised solid fuels Imperfect mixing of fuel & air and infiltration of air Use of non-preheated combustion air Use of excessive positive draft in the furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In a furnace employing forced draught as compared to induced draught, None of these The fan operates hot and hence blades are liable to corrosion and erosion Positive pressure exists in the furnace Air is sucked in, so air leaks are more and hence the furnace efficiency is reduced None of these The fan operates hot and hence blades are liable to corrosion and erosion Positive pressure exists in the furnace Air is sucked in, so air leaks are more and hence the furnace efficiency is reduced ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The resistance furnace produces heat by the None of these Combination of induced current and skin effect Flow of current through a heating element Electric arc struck between electrodes and the charge None of these Combination of induced current and skin effect Flow of current through a heating element Electric arc struck between electrodes and the charge ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following variables does not affect the furnace capacity? Gas velocity in furnace Ratio of wall surface to surface of stock Size of the furnace None of these Gas velocity in furnace Ratio of wall surface to surface of stock Size of the furnace None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Hearth furnaces are not used for Roasting Reheating Melting None of these Roasting Reheating Melting None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS