Furnace Technology Use of pulverised coal in boilers provides Less erosion on furnace wall Higher calorific value Smokeless burning Better combustion Less erosion on furnace wall Higher calorific value Smokeless burning Better combustion ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The thermal efficiency of an air/fuel gas preheating recuperator may be as high as __________ percent. 65 99 85 50 65 99 85 50 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The heating capacity of muffle furnace depends on the Both A & B Neither A nor B Surface area & emissivity of the stock Properties of the muffle wall (temperature, area, emissivity) Both A & B Neither A nor B Surface area & emissivity of the stock Properties of the muffle wall (temperature, area, emissivity) ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following accentuates clinker-ing troubles on furnace grate burning coal? Low reactivity of carbonised residue containing high proportion of iron & sulphur Low forced draft & fuel bed temperature Thick firebed and preheated primary air All of these Low reactivity of carbonised residue containing high proportion of iron & sulphur Low forced draft & fuel bed temperature Thick firebed and preheated primary air All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In a muffle furnace, the muffle Permits the use of controlled atmosphere for the protection of stock All of these Assists in temperature equalisation in the charge Retards the heat transfer Permits the use of controlled atmosphere for the protection of stock All of these Assists in temperature equalisation in the charge Retards the heat transfer ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Size of the combustion chamber of a furnace depends upon the Preheat temperature of fuel & air All of these Heat release rate of the fuel Method of mixing the fuel & air Preheat temperature of fuel & air All of these Heat release rate of the fuel Method of mixing the fuel & air ANSWER DOWNLOAD EXAMIANS APP
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