Furnace Technology In salt bath furnace, heat is transferred to the charge mainly by Radiation None of these Convection Conduction Radiation None of these Convection Conduction ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Higher furnace temperature can not be achieved by use of a lean fuel gas in the furnace by Preheating the combustion air Increasing the draft in the furnace Preheating the fuel gas Oxygen enrichment of combustion air Preheating the combustion air Increasing the draft in the furnace Preheating the fuel gas Oxygen enrichment of combustion air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Advantages of use of preheated combustion air are Saving in fuel consumption Increase in flame temperature Reduction in scale losses All of these Saving in fuel consumption Increase in flame temperature Reduction in scale losses All of these 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 Conduction Radiation Convection Can not be predicted Conduction Radiation Convection Can not be predicted ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In low or standard frequency induction furnace, heat is produced by the Induction and resistance Current flow through a heating element None of these Combination of induced current and skin effect Induction and resistance Current flow through a heating element None of these Combination of induced current and skin effect ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which is not a hearth furnace? Open hearth furnace Glass tank furnace Reheating furnace Cupola Open hearth furnace Glass tank furnace Reheating furnace Cupola ANSWER DOWNLOAD EXAMIANS APP