Furnace Technology To reduce the stack loss, heat recovery from flue gas can be done by Preheating of combustion air Steam generation in waste heat boilers All of these Preheating of cold stock Preheating of combustion air Steam generation in waste heat boilers All of these Preheating of cold stock 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 Convection Radiation Conduction Can not be predicted Convection Radiation Conduction Can not be predicted ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The heating capacity of muffle furnace depends on the Neither A nor B Both A & B Surface area & emissivity of the stock Properties of the muffle wall (temperature, area, emissivity) Neither A nor B Both A & B Surface area & emissivity of the stock Properties of the muffle wall (temperature, area, emissivity) ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which furnace employs natural draft? Coke oven Rotary kilns L.D. converter Boiler Coke oven Rotary kilns L.D. converter Boiler ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Metallic recuperators are not used for waste heat recovery, if the hot flue gas temperature is above __________ °C, because corrosion prevails at higher temperatures. 1250 350 750 1050 1250 350 750 1050 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which is a regenerative furnace? Both A and B Open hearth furnace Neither A nor B Coke oven heating chamber Both A and B Open hearth furnace Neither A nor B Coke oven heating chamber ANSWER DOWNLOAD EXAMIANS APP
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