Furnace Technology Neutral atmosphere is maintained in a/an __________ furnace. Open hearth Soaking pit Walking beam reheating Cold rolled steel coil annealing Open hearth Soaking pit Walking beam reheating Cold rolled steel coil annealing ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology To reduce the stack loss, heat recovery from flue gas can be done by Preheating of cold stock All of these Steam generation in waste heat boilers Preheating of combustion air Preheating of cold stock All of these Steam generation in waste heat boilers Preheating of combustion air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Regenerators as compared to recuperators for the same duty Involve higher initial cost Are lighter & compact Store smaller quantity of waste heat All of these Involve higher initial cost Are lighter & compact Store smaller quantity of waste heat All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In a furnace employing forced draught as compared to induced draught, 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 Positive pressure exists in the furnace None of these 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 Positive pressure exists in the furnace None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Design of waste heat boiler for recovery of waste heat from furnace gases depends upon the Dust concentration & nature of dust in waste gas Corrosive nature of the waste gas All of these Quantity & temperature of waste gas Dust concentration & nature of dust in waste gas Corrosive nature of the waste gas All of these Quantity & temperature of waste gas ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Fuel economy in furnaces can be achieved by Preheating the combustion air Using oxygen enriched combustion air All of these Reducing the heat loss through furnace openings & doors Preheating the combustion air Using oxygen enriched combustion air All of these Reducing the heat loss through furnace openings & doors ANSWER DOWNLOAD EXAMIANS APP