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What is the minimum capacity of an air furnace?(a) 5 tons(b) 7 tons(c) 9 tons(d) 11 tons |
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Answer» The correct choice is (a) 5 tons To explain I would say: Reverberatory furnace is used for the production of malleable iron and gray iron castings. The minimum capacity of an air furnace or a reverberatory furnace is around 5 tons. |
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