Which colour is provided on core prints for machined openings?(a) Black strips on yellow background(b) Yellow strips on black background(c) Red strips on yellow background(d) Yellow strips on black backgroundI got this question in a job interview.This is a very interesting question from Pattern Colours topic in chapter Pattern and Pattern Making of Casting-Forming-Welding I

Which colour is provided on core prints for machined openings?(a) Blac

1.	Which colour is provided on core prints for machined openings?(a) Black strips on yellow background(b) Yellow strips on black background(c) Red strips on yellow background(d) Yellow strips on black backgroundI got this question in a job interview.This is a very interesting question from Pattern Colours topic in chapter Pattern and Pattern Making of Casting-Forming-Welding I
Answer» The correct option is (b) Yellow strips on BLACK background For explanation: 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, yellow strips on the black background is to be GIVEN for machined openings of core prints.

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