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The process of removing unwanted material from the casting is called?

The process of removing unwanted material from the casting is called? Correct Answer fettling

Fettling is the complete process of the cleaning of the casting. It involves removal o the cores, gates, risers, cleaning of the as surface and chipping of any of the unnecessary projection on the surfaces. Core can be removed simply by knocking of it with an iron bar or by means of a cone vibrator. Gates and risers can be removed by hammering, chipping, hack sawing, or by flame or arc cutting.

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