stack:The portion of the blast furnace above its widest cross-section is called stack.
Bosh:The portion of the blast furnace below its widest cross-section is called bosh.
Throat: The charge is fed into the blast furnace through the throat.
Hearth: The hearth is the lowest, but the most important part of the blast furnace.
23) The charge is fed into the blast furnace through the
Answer is:
throat
Explanation:
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