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Which of the following furnaces is not the type of crucible furnace?(a) Pit furnace(b) Pot furnace(c) Oil fired tilting furnace(d) Stack furnace |
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Answer» Right option is (d) Stack furnace For explanation I would say: Pit furnace, pot furnace and oil fired tilting furnace are the types of crucible furnace, but stack furnace is different furnace which is a modified reverberatory furnace where its efficiency is improved by better sealing of the furnace and flue gases are mainly used for preheating the charge materials. |
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