Furnace Technology Neutral atmosphere is maintained in a/an __________ furnace. Soaking pit Walking beam reheating Open hearth Cold rolled steel coil annealing Soaking pit Walking beam reheating Open hearth Cold rolled steel coil annealing ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Circulation of gases in furnace is caused by the All of these Furnace pressure in conjunction with draft in flues Difference in density between hot and cold gases Change in volume during a change of temperature All of these Furnace pressure in conjunction with draft in flues Difference in density between hot and cold gases Change in volume during a change of temperature ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In furnaces operating at very high temperature (say) 1250°C, e.g. soaking pit), the maximum heat transfer takes place by Radiation Can not be predicted Convection Conduction Radiation Can not be predicted Convection Conduction ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ceramic coating material for furnace refractory, which increases its emissivity and thus the radiation heat transfer rate in the furnace, comprises of Thoria Beryllium Zircon powder Graphite powder Thoria Beryllium Zircon powder Graphite powder ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following furnaces will have maximum thermal efficiency? Walking beam reheating furnace Soaking pits Rotary kilns Boiler furnace Walking beam reheating furnace Soaking pits Rotary kilns Boiler furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In a furnace operation, which is not preheated? Solid fuels Both A and B Neither A nor B Hydrocarbon containing fuel gases (e.g. coke oven gas, refinery gas etc.) Solid fuels Both A and B Neither A nor B Hydrocarbon containing fuel gases (e.g. coke oven gas, refinery gas etc.) ANSWER DOWNLOAD EXAMIANS APP
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