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 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 In which of the following furnaces, the gases are sucked through the stock bed from below? Beehive oven None of these Soaking pit Sintering machine Beehive oven None of these Soaking pit Sintering machine ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Tunnel kilns are usually used for Melting of glass Reheating of slabs Drying/tempering of refractories Roasting of pyrites Melting of glass Reheating of slabs Drying/tempering of refractories Roasting of pyrites ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Amount of coal lost in ash particle, which is carried through the boiler system, depends upon the All of these Type of burner and combustion chamber Amount of excess air supplied and load on the boiler Physical nature, ash content and fineness of the coal All of these Type of burner and combustion chamber Amount of excess air supplied and load on the boiler Physical nature, ash content and fineness of the coal ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following variables does not affect the furnace capacity? Size of the furnace Gas velocity in furnace None of these Ratio of wall surface to surface of stock Size of the furnace Gas velocity in furnace None of these Ratio of wall surface to surface of stock ANSWER DOWNLOAD EXAMIANS APP