Building Materials - Engineering
Q1: The process of manufacturing steel by heating short lengths of wrought iron bars mixed with charcoal in fire clay crucibles and collecting the molten iron into moulds, is known asA
Cementation process
B
Crucible process
C
Bessemer process
D
Open hearth process.
ANS:B - Crucible process The Bessemer process was the first inexpensive industrial process for the mass production of steel from molten pig iron before the development of the open hearth furnace. The key principle is removal of impurities from the iron by oxidation with air being blown through the molten iron. |
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