Furnace Technology Turn down ratio of a burner Should be as low as possible i.e., 1 : 2 Should be 1:1 for a batch type furnace. Is normally much more for a continuous furnace as compared to a batch furnace Is the ratio of maximum to minimum permissible heat input rates Should be as low as possible i.e., 1 : 2 Should be 1:1 for a batch type furnace. Is normally much more for a continuous furnace as compared to a batch furnace Is the ratio of maximum to minimum permissible heat input rates ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In which of the waste heat recovery equipment, the flow of flue gas and air is alternately reversed after a fixed interval of time? None of these Regenerator Recuperator Waste heat boiler None of these Regenerator Recuperator Waste heat boiler ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The heating capacity of continuous reheating furnace depends upon the Emissivity of the stock Ratio of wall surface to stock surface All of these Hearth area and furnace temperature Emissivity of the stock Ratio of wall surface to stock surface All of these Hearth area and furnace temperature ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which furnace employs preheating, heating and soaking zones? Cupola Reheating furnace Open hearth furnace Soaking pit Cupola Reheating furnace Open hearth furnace Soaking pit ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In a furnace operation, which is not preheated? Hydrocarbon containing fuel gases (e.g. coke oven gas, refinery gas etc.) Solid fuels Neither A nor B Both A and B Hydrocarbon containing fuel gases (e.g. coke oven gas, refinery gas etc.) Solid fuels Neither A nor B Both A and B ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Advantages of use of preheated combustion air are Increase in flame temperature Reduction in scale losses Saving in fuel consumption All of these Increase in flame temperature Reduction in scale losses Saving in fuel consumption All of these ANSWER DOWNLOAD EXAMIANS APP
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