Furnace Technology In furnaces operating at very high temperature (say) 1250°C, e.g. soaking pit), the maximum heat transfer takes place by Conduction Convection Can not be predicted Radiation Conduction Convection Can not be predicted Radiation ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which furnace employs preheating, heating and soaking zones? Open hearth furnace Cupola Soaking pit Reheating furnace Open hearth furnace Cupola Soaking pit Reheating furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which is not accomplished in an underfired furnace? Elimination of cold spot at the bottom of the charge Increase in heating capacity/m² of floor space Portection of the periphery of the charge from excessive radiation Reduction in the temperature of furnace gases Elimination of cold spot at the bottom of the charge Increase in heating capacity/m² of floor space Portection of the periphery of the charge from excessive radiation Reduction in the temperature of furnace gases ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thermal efficiency of furnaces can be improved by Waste heat recovery from flue gas Maintaining proper draught Minimising heat losses from furnace walls All of these Waste heat recovery from flue gas Maintaining proper draught Minimising heat losses from furnace walls All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The heating capacity of muffle furnace depends on the Neither A nor B Both A & B Properties of the muffle wall (temperature, area, emissivity) Surface area & emissivity of the stock Neither A nor B Both A & B Properties of the muffle wall (temperature, area, emissivity) Surface area & emissivity of the stock ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In producer gas making furnace, steam is added along with air to mainly control the Fusion of coal ash & clinker formation V. of producer gas Tar content in producer gas Temperature of producer gas Fusion of coal ash & clinker formation V. of producer gas Tar content in producer gas Temperature of producer gas ANSWER DOWNLOAD EXAMIANS APP
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