Furnace Technology Which of the following is not a directly fired furnace? Sintering furnace By-product coke oven Calcination kiln Open hearth furnace Sintering furnace By-product coke oven Calcination kiln Open hearth furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Artificial draught produced by a fan in the furnace can be controlled by the All of these Speed of the fan Variation in the pitch of fan blades Damper All of these Speed of the fan Variation in the pitch of fan blades Damper ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In a furnace employing forced draught as compared to induced draught, The fan operates hot and hence blades are liable to corrosion and erosion Positive pressure exists in the furnace None of these Air is sucked in, so air leaks are more and hence the furnace efficiency is reduced The fan operates hot and hence blades are liable to corrosion and erosion Positive pressure exists in the furnace None of these Air is sucked in, so air leaks are more and hence the furnace efficiency is reduced 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 forced draft & fuel bed temperature Low reactivity of carbonised residue containing high proportion of iron & sulphur Thick firebed and preheated primary air All of these Low forced draft & fuel bed temperature Low reactivity of carbonised residue containing high proportion of iron & sulphur ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following advantages is not associated with the use of preheated air for combustion of a fuel in the furnace? Increase in flame temperature Reduction in scale losses Increase in calorific value of the fuel Saving in fuel consumption Increase in flame temperature Reduction in scale losses Increase in calorific value of the fuel Saving in fuel consumption ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Test specimen for determination of refractoriness under load (RUL) of a refractory is heated in a Furnace employing neutral atmosphere Furnace employing negative pressure Carbon resistance furnace Reducing atmosphere Furnace employing neutral atmosphere Furnace employing negative pressure Carbon resistance furnace Reducing atmosphere ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS