Furnace Technology Which of the following accentuates clinker-ing troubles on furnace grate burning coal? Thick firebed and preheated primary air Low reactivity of carbonised residue containing high proportion of iron & sulphur All of these Low forced draft & fuel bed temperature Thick firebed and preheated primary air Low reactivity of carbonised residue containing high proportion of iron & sulphur All of these Low forced draft & fuel bed temperature ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The heating capacity of muffle furnace depends on the 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 Both A & B ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following variables affects the furnace capacity? Thickness of heating stock All of these Thermal conductivity of stock Temperature of flue gas Thickness of heating stock All of these Thermal conductivity of stock Temperature of flue gas ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The advantages of firing pulverised coal in the furnace lies in the fact that, it Permits the use of low fusion point ash coal Permits the use of high ash content coal Accelerates the burning rate and economises on fuel consumption All of these Permits the use of low fusion point ash coal Permits the use of high ash content coal Accelerates the burning rate and economises on fuel consumption All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Heat balance of furnace provides means of determining the Scope of reduction of heat losses Sources of heat losses Thermal efficiency of the process All of these Scope of reduction of heat losses Sources of heat losses Thermal efficiency of the process All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The thermal efficiency of an air/fuel gas preheating recuperator may be as high as __________ percent. 85 65 99 50 85 65 99 50 ANSWER DOWNLOAD EXAMIANS APP