Furnace Technology Thermal efficiency of an open hearth furnace may be about __________ percent. 80 50 5 20 80 50 5 20 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which is not a hearth furnace? Reheating furnace Open hearth furnace Glass tank furnace Cupola Reheating furnace Open hearth furnace Glass tank furnace Cupola ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which is not accomplished in an underfired furnace? Portection of the periphery of the charge from excessive radiation Increase in heating capacity/m² of floor space Reduction in the temperature of furnace gases Elimination of cold spot at the bottom of the charge Portection of the periphery of the charge from excessive radiation Increase in heating capacity/m² of floor space Reduction in the temperature of furnace gases Elimination of cold spot at the bottom of the charge ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which furnace employs preheating, heating and soaking zones? Cupola Reheating furnace Soaking pit Open hearth furnace Cupola Reheating furnace Soaking pit Open hearth furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In reverberatory furnace, charge is heated mainly by Conduction Radiation of heat from the roof of the combustion chamber Natural convection None of these Conduction Radiation of heat from the roof of the combustion chamber Natural convection None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following advantages is not associated with the use of preheated air for combustion of a fuel in the furnace? Increase in flame temperature Increase in calorific value of the fuel Reduction in scale losses Saving in fuel consumption Increase in flame temperature Increase in calorific value of the fuel Reduction in scale losses Saving in fuel consumption ANSWER DOWNLOAD EXAMIANS APP
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