Furnace Technology The thermal efficiency of a steel slab reheating furnace (walking beam type) may be about __________ percent. 15 70 85 40 15 70 85 40 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In a furnace operation, which is not preheated? Hydrocarbon containing fuel gases (e.g. coke oven gas, refinery gas etc.) Both A and B Neither A nor B Solid fuels Hydrocarbon containing fuel gases (e.g. coke oven gas, refinery gas etc.) Both A and B Neither A nor B Solid fuels ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology To reduce the stack loss, heat recovery from flue gas can be done by Preheating of cold stock Preheating of combustion air Steam generation in waste heat boilers All of these Preheating of cold stock Preheating of combustion air Steam generation in waste heat boilers All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Air filtration in a furnace None of these Increases the flue gas temperature Reduces its thermal efficiency Is indicated by flame sting out None of these Increases the flue gas temperature Reduces its thermal efficiency Is indicated by flame sting out ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following accentuates clinker-ing troubles on furnace grate burning coal? 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 Thick firebed and preheated primary air Low reactivity of carbonised residue containing high proportion of iron & sulphur ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Combustion of fuel in a furnace with oxygen enriched air results in higher Stack loss Fuel consumption Flame temperature Flue gas volume Stack loss Fuel consumption Flame temperature Flue gas volume ANSWER DOWNLOAD EXAMIANS APP
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