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 transfer by forced convection in a reboiler Heat absorption in radiant section of a furnace Mass transfer co-efficient Heat transfer in vacuum condensers Heat transfer by forced convection in a reboiler Heat absorption in radiant section of a furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Main gas valve in a gaseous fuel burner is a __________ valve. Butterfly Gate Globe None of these Butterfly Gate Globe None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In practical operation of any furnace, zero oxygen percentage or theoretical CO₂ percentage in flue gas is rarely achieved, because of Use of excessive positive draft in the furnace Imperfect mixing of fuel & air and infiltration of air Use of pulverised solid fuels Use of non-preheated combustion air Use of excessive positive draft in the furnace Imperfect mixing of fuel & air and infiltration of air Use of pulverised solid fuels Use of non-preheated combustion air 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 Thermal conductivity of the charge & structural materials of furnace All of these Nature of process ; whether batch, continuous or intermittant Rate of firing and emissivity of flame Thermal conductivity of the charge & structural materials of furnace All of these Nature of process ; whether batch, continuous or intermittant Rate of firing and emissivity of flame ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Regenerators as compared to recuperators for the same duty Are lighter & compact Store smaller quantity of waste heat Involve higher initial cost All of these Are lighter & compact Store smaller quantity of waste heat Involve higher initial cost All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ingress of cold air in the furnaces through cracks, charging doors, openings etc. Increases the load on the induced draft fan All of these Reduces the flue gas temperature and makes the furnace atmosphere oxidising Reduces the furnace draught Increases the load on the induced draft fan All of these Reduces the flue gas temperature and makes the furnace atmosphere oxidising Reduces the furnace draught ANSWER DOWNLOAD EXAMIANS APP
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