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A cylinderical rod of non cold worked brass having an intial diameter of 6.4mm is to...

A cylinderical rod of non cold worked brass having an intial diameter of 6.4mm is to be cold worked by drawing such that the intial cross section area is reduced. The final diameter is rewuired to be 5.1mm what is the percentage cold working required?

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if you have any doubts please ask me........ please upvote me........ tq....... have a good day ?

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