Furnace Technology In salt bath furnace, heat is transferred to the charge mainly by Convection Conduction Radiation None of these Convection Conduction Radiation None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Hearth furnaces are not used for Roasting Reheating Melting None of these Roasting Reheating Melting None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Heat transfer rate to the charge/stock in a furnace does not depend upon the Flue gas temperature Type of fuels viz solid, liquid or gaseous Initial temperature of the charged stock Emissivity of refractory walls Flue gas temperature Type of fuels viz solid, liquid or gaseous Initial temperature of the charged stock Emissivity of refractory walls ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is a directly fired intermittant furnace? Reverberatory furnace Tower furnace Walking beam reheating furnace Tunnel kiln Reverberatory furnace Tower furnace Walking beam reheating furnace Tunnel kiln 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 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 All of these Low forced draft & fuel bed temperature ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In a furnace employing forced draught as compared to induced draught, None of these Positive pressure exists in the furnace The fan operates hot and hence blades are liable to corrosion and erosion Air is sucked in, so air leaks are more and hence the furnace efficiency is reduced None of these Positive pressure exists in the furnace The fan operates hot and hence blades are liable to corrosion and erosion Air is sucked in, so air leaks are more and hence the furnace efficiency is reduced ANSWER DOWNLOAD EXAMIANS APP
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