Furnace Technology Which of the following is not a directly fired furnace? Sintering furnace By-product coke oven Open hearth furnace Calcination kiln Sintering furnace By-product coke oven Open hearth furnace Calcination kiln ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is the most important deterrants to an extended use of pulverised coal in boiler firing? Erosion of induced draft fan blades Ash disposal problem Higher power consumption in its transportation Excessive fly ash discharge from the stack Erosion of induced draft fan blades Ash disposal problem Higher power consumption in its transportation Excessive fly ash discharge from the stack ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Maximum thermal efficiency of boiler may be about __________ percent. 65 90 25 10 65 90 25 10 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The heating capacity of muffle furnace depends on the Neither A nor B Surface area & emissivity of the stock Both A & B Properties of the muffle wall (temperature, area, emissivity) Neither A nor B Surface area & emissivity of the stock Both A & B Properties of the muffle wall (temperature, area, emissivity) ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology An electric furnace producing heat by means of an electric arc struck between each of three electrodes and the charge is called __________ furnace. Resistance Arc Low frequency induction None of these Resistance Arc Low frequency induction None of these 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 Rate of firing and emissivity of flame Nature of process ; whether batch, continuous or intermittant All of these Thermal conductivity of the charge & structural materials of furnace Rate of firing and emissivity of flame Nature of process ; whether batch, continuous or intermittant All of these ANSWER DOWNLOAD EXAMIANS APP
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