Furnace Technology Thermal efficiency of blast furnace stoves used for heating blast (air) may be about __________ percent. 60 20 40 80 60 20 40 80 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The resistance furnace produces heat by the Flow of current through a heating element Electric arc struck between electrodes and the charge Combination of induced current and skin effect None of these Flow of current through a heating element Electric arc struck between electrodes and the charge Combination of induced current and skin effect None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology An example of indirectly heated furnace is the Muffle furnace Reheating furnace None of these Soaking pit Muffle furnace Reheating furnace None of these Soaking pit ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In a furnace employing forced draught as compared to induced draught, 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 Positive pressure exists in the furnace The fan operates hot and hence blades are liable to corrosion and erosion ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Fuel economy in an industrial furnace operation can not be achieved by the use of Stoichiometric combustion air Non-preheated combustion air Combustion air not enriched with oxygen Recupterators Stoichiometric combustion air Non-preheated combustion air Combustion air not enriched with oxygen Recupterators ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following furnaces will have maximum thermal efficiency? Soaking pits Walking beam reheating furnace Boiler furnace Rotary kilns Soaking pits Walking beam reheating furnace Boiler furnace Rotary kilns ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS