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Building Materials

Q1:

Pick up the correct statement from the following:

A Steel produced by open hearth process is milder than that obtained by the bessemer process

B Engineers prefer open hearth steel for structural purpose as it is more homogenous

C Basic Bessemer process is suitable for converting poor ore containing a large proportion of sulphur and phosphorus into steel

D all the above.

ANS:D - all the above.

The steel produced by the Bessemer process is soft and now it's said that open-hearth process produces milder steel. Why process yield softer steel? Please anyone explain.



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