Furnace Technology The thermal efficiency of an air/fuel gas preheating recuperator may be as high as __________ percent. 85 50 65 99 85 50 65 99 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following accentuates clinker-ing troubles on furnace grate burning coal? 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 Low reactivity of carbonised residue containing high proportion of iron & sulphur Low forced draft & fuel bed temperature ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The rate of scaling of furnace stock depends upon the Temperature Nature of atmosphere Time All of these Temperature Nature of atmosphere Time All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ceramic recuperators (made of SiC) is economical, only when used for preheating combustion air above __________ °C. 850 1000 650 250 850 1000 650 250 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In order to maintain a reducing atmosphere in a furnace, it should have High excess air CO in flue gas None of these No O₂ in flue gas High excess air CO in flue gas None of these No O₂ in flue gas ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is a batch furnace? Reheating furnace Glass tank furnace Cupola None of these Reheating furnace Glass tank furnace Cupola None of these ANSWER DOWNLOAD EXAMIANS APP
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