Furnace Technology Decarburisation of steel Is favoured by CO₂ All of these Is the removal of carbon from iron carbide (Fe₃C) Affects its crystalline structure Is favoured by CO₂ All of these Is the removal of carbon from iron carbide (Fe₃C) Affects its crystalline structure 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 All of these Accelerates the burning rate and economises on fuel consumption Permits the use of high ash content coal Permits the use of low fusion point ash coal All of these Accelerates the burning rate and economises on fuel consumption Permits the use of high ash content coal ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Furnace pressure is normally controlled by regulating the Damper Fuel gas pressure Air pressure Speed of I.D. fan Damper Fuel gas pressure Air pressure Speed of I.D. fan ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following advantages is not associated with the use of preheated air for combustion of a fuel in the furnace? Increase in flame temperature Saving in fuel consumption Increase in calorific value of the fuel Reduction in scale losses Increase in flame temperature Saving in fuel consumption Increase in calorific value of the fuel Reduction in scale losses ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Test specimen for determination of refractoriness under load (RUL) of a refractory is heated in a Furnace employing negative pressure Furnace employing neutral atmosphere Reducing atmosphere Carbon resistance furnace Furnace employing negative pressure Furnace employing neutral atmosphere Reducing atmosphere Carbon resistance furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The thermal efficiency of a steel slab reheating furnace (walking beam type) may be about __________ percent. 85 40 70 15 85 40 70 15 ANSWER DOWNLOAD EXAMIANS APP
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