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Obsolete scrap is the scrap which is relatively pure and its chemical composition is known.

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in Casting-Forming-Welding II by (119k points)
Obsolete scrap is the scrap which is relatively pure and its chemical composition is known.

(a) True

(b) False

This question was posed to me in unit test.

My query is from Melting of Steel and Stainless Steel in chapter Foundry Introduction & Materials of Casting-Forming-Welding II

1 Answer

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by (701k points)
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Right answer is (b) False

To elaborate: Obsolete scrap generally contains iron and steel parts which are rejected due to end of their service life. It is often mixed with other metals like copper, zinc and tin to form other steel alloys. And home scrap is known as the scrap which is relatively pure and chemical composition is known.

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