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Examveda

The presence of sulphur in pig iron makes

A. It easily machinable

B. It brittle

C. It hard

D. The casting unsound

Answer: Option D

Solution(By Examveda Team)

As sulfur in Pig Iron make the cast iron manufacturing unsound and not pure because sulfur works as a impurities in Pig iron. Iron sulphide being very brittle, whole alloy becomes brittle. Presence of sulfur tends to make iron hard and produces unsound castings.

This Question Belongs to Mechanical Engineering >> Engineering Materials

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