Which colour is given for surfaces, yet to be machined in cast surface?(a) Red(b) Black(c) Yellow(d) No colourI got this question by my college professor while I was bunking the class.I need to ask this question from Pattern Colours in chapter Pattern and Pattern Making of Casting-Forming-Welding I

Which colour is given for surfaces, yet to be machined in cast surface

1.	Which colour is given for surfaces, yet to be machined in cast surface?(a) Red(b) Black(c) Yellow(d) No colourI got this question by my college professor while I was bunking the class.I need to ask this question from Pattern Colours in chapter Pattern and Pattern Making of Casting-Forming-Welding I
Answer» The CORRECT option is (a) RED For explanation I would say: Provision of colour SCHEME MAKES it easy for one to detect the part and the operation to be performed on it. According to the AMERICAN pattern colour scheme, red colour is to be given for casting surfaces yet to be machined.

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