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प्रश्न
Mini steel plants use ______ for smelting iron ore.
विकल्प
Blast furnace
Electric furnace
Nuclear furnace
Gas Furnace
MCQ
रिक्त स्थान भरें
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उत्तर
Mini steel plants use electric furnaces for smelting iron ore.
Explanation:
Mini steel plants are decentralised, small-scale production operations that melt raw materials using electric arc furnaces or induction furnaces. Unlike large integrated steel plants, which rely on vast blast furnaces powered by coking coal, micro steel plants use electricity to convert steel scrap and sponge iron into mild or alloy steel.
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