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 All of these Thermal conductivity of the charge & structural materials of furnace Nature of process ; whether batch, continuous or intermittant Rate of firing and emissivity of flame All of these Thermal conductivity of the charge & structural materials of furnace Nature of process ; whether batch, continuous or intermittant ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which furnace employs natural draft? L.D. converter Rotary kilns Boiler Coke oven L.D. converter Rotary kilns Boiler Coke oven ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The method of Lobo and Evans is concerned with the calculation of the Heat transfer in vacuum condensers Mass transfer co-efficient Heat absorption in radiant section of a furnace Heat transfer by forced convection in a reboiler Heat transfer in vacuum condensers Mass transfer co-efficient Heat absorption in radiant section of a furnace Heat transfer by forced convection in a reboiler ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Maximum thermal efficiency of boiler may be about __________ percent. 10 65 90 25 10 65 90 25 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 non-preheated combustion air Imperfect mixing of fuel & air and infiltration of air Use of excessive positive draft in the furnace Use of pulverised solid fuels Use of non-preheated combustion air Imperfect mixing of fuel & air and infiltration of air Use of excessive positive draft in the furnace Use of pulverised solid fuels ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The main function of a muffle in the muffle furnace is to Both A & B Protect the charge from the effects of the products of combustion Neither A nor B Smooth out temperature inequalities on the combustion side of the muffle wall Both A & B Protect the charge from the effects of the products of combustion Neither A nor B Smooth out temperature inequalities on the combustion side of the muffle wall ANSWER DOWNLOAD EXAMIANS APP
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