Furnace Technology The heating capacity of muffle furnace depends on the 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) Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The thermal efficiency of an air/fuel gas preheating recuperator may be as high as __________ percent. 85 50 99 65 85 50 99 65 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The method of Lobo and Evans is concerned with the calculation of the Mass transfer co-efficient Heat transfer in vacuum condensers Heat absorption in radiant section of a furnace Heat transfer by forced convection in a reboiler Mass transfer co-efficient Heat transfer in vacuum condensers Heat absorption in radiant section of a furnace Heat transfer by forced convection in a reboiler ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In a furnace, the heat taken by the charge/stock and the heat lost to the furnace structure & flue gases depends on the Rate of firing and emissivity of flame Nature of process ; whether batch, continuous or intermittant Thermal conductivity of the charge & structural materials of furnace All of these Rate of firing and emissivity of flame Nature of process ; whether batch, continuous or intermittant Thermal conductivity of the charge & structural materials of furnace All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Regenerators are installed in Open hearth furnace Coke ovens Neither A nor B Both A & B Open hearth furnace Coke ovens Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following accentuates clinker-ing troubles on furnace grate burning coal? Low forced draft & fuel bed temperature All of these Low reactivity of carbonised residue containing high proportion of iron & sulphur Thick firebed and preheated primary air Low forced draft & fuel bed temperature All of these Low reactivity of carbonised residue containing high proportion of iron & sulphur Thick firebed and preheated primary air ANSWER DOWNLOAD EXAMIANS APP
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