Question

Which of the following reason is not valid for pattern colouring?

(a) Identification of main body

(b) Visualising the to be machined surface

(c) Indication of the type of metal

(d) Locating parting surface

I had been asked this question during an online interview.

I'm obligated to ask this question of Pattern Colours in section Pattern and Pattern Making of Casting-Forming-Welding I

Answer 1

Right answer is (d) Locating parting surface

Easiest explanation: Locating pattern surface is one of the steps of pattern construction, whereas the identification of the main body, visualising the, to be machined surface and indication of the type of metal are the reasons as to why a pattern is imparted colour.