Furnace Technology Protective gas used in the annealing furnace for steel coil comprises of 95% N₂ + 5% H₂ 100% CO 100 %H₂ 5% H₂ + 9% N₂ 95% N₂ + 5% H₂ 100% CO 100 %H₂ 5% H₂ + 9% N₂ ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which is a continuous furnace? Annealing furnace Coke ovens None of these Glass tank furnace Annealing furnace Coke ovens None of these Glass tank furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is the most important deterrants to an extended use of pulverised coal in boiler firing? Higher power consumption in its transportation Erosion of induced draft fan blades Excessive fly ash discharge from the stack Ash disposal problem Higher power consumption in its transportation Erosion of induced draft fan blades Excessive fly ash discharge from the stack Ash disposal problem ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Decarburisation of steel Affects its crystalline structure All of these Is the removal of carbon from iron carbide (Fe₃C) Is favoured by CO₂ Affects its crystalline structure All of these Is the removal of carbon from iron carbide (Fe₃C) Is favoured by CO₂ ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Large tonnage of refractory bricks are dried in a Muffle furnace Tunnel kiln Rotary hearth furnace Shaft furnace Muffle furnace Tunnel kiln Rotary hearth furnace Shaft furnace 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
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