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प्रश्न
What is the role of tuyers used in blast furnace for extraction of iron?
विकल्प
To blow a blast of preheated air in to the furnace.
It enables the even distribution of charge.
It is used to remove molten slag and iron.
It prevents loss of hot gases.
MCQ
उत्तर
To blow a blast of preheated air in to the furnace.
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Extraction of Metals
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