Furnace Technology Metallic recuperators are not used for waste heat recovery, if the hot flue gas temperature is above __________ °C, because corrosion prevails at higher temperatures. 350 750 1050 1250 350 750 1050 1250 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In which of the following furnaces, the gases are sucked through the stock bed from below? None of these Sintering machine Beehive oven Soaking pit None of these Sintering machine Beehive oven Soaking pit ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thickness of stock does not affect the fuel economy of furnaces, if the material to be heated is of Both A and B High thermal conductivity Low emissivity Neither A nor B Both A and B High thermal conductivity Low emissivity Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following accentuates clinker-ing troubles on furnace grate burning coal? Low forced draft & fuel bed temperature All of these Thick firebed and preheated primary air Low reactivity of carbonised residue containing high proportion of iron & sulphur Low forced draft & fuel bed temperature All of these Thick firebed and preheated primary air Low reactivity of carbonised residue containing high proportion of iron & sulphur ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Air filtration in a furnace Is indicated by flame sting out None of these Reduces its thermal efficiency Increases the flue gas temperature Is indicated by flame sting out None of these Reduces its thermal efficiency Increases the flue gas temperature ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In order to maintain an oxidising atmosphere in a furnace, it should have More of CO in flue gas Less of excess air More of excess air More of CO₂ in flue gas More of CO in flue gas Less of excess air More of excess air More of CO₂ in flue gas ANSWER DOWNLOAD EXAMIANS APP
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