Furnace Technology Combustion of fuel in a furnace with oxygen enriched air results in higher Fuel consumption Flue gas volume Stack loss Flame temperature Fuel consumption Flue gas volume Stack loss Flame temperature ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Heat balance of furnace provides means of determining the Scope of reduction of heat losses All of these Sources of heat losses Thermal efficiency of the process Scope of reduction of heat losses All of these Sources of heat losses Thermal efficiency of the process 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 Can not be predicted Conduction Radiation Convection Can not be predicted Conduction Radiation Convection ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Heat transfer rate to the stock/charge in the furnace does not depend upon the Use of waste heat recovery equipments Thickness of the stock Emissivity of the refactory walls Size of the furance Use of waste heat recovery equipments Thickness of the stock Emissivity of the refactory walls Size of the furance ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Turn down ratio of a burner Is the ratio of maximum to minimum permissible heat input rates Should be 1:1 for a batch type furnace. Is normally much more for a continuous furnace as compared to a batch furnace Should be as low as possible i.e., 1 : 2 Is the ratio of maximum to minimum permissible heat input rates Should be 1:1 for a batch type furnace. Is normally much more for a continuous furnace as compared to a batch furnace Should be as low as possible i.e., 1 : 2 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following furnaces will have maximum thermal efficiency? Soaking pits Rotary kilns Walking beam reheating furnace Boiler furnace Soaking pits Rotary kilns Walking beam reheating furnace Boiler furnace ANSWER DOWNLOAD EXAMIANS APP
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