In the extraction of iron, hot air is introduced into the blast furnacethrough?
Question
In the extraction of iron, hot air is introduced into the blast furnacethrough?
Options
A)
valves
B)
open-hearths
C)
arcs
D)
tuyeres
The correct answer is D.
Explanation:
Pre-heated air at about 600ºC is blown into the furnaces from the bottom through the tuyeres.
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