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If the measurement required is in three units, which scale would you prefer?(a) Plain(b) Comparative(c) Diagonal(d) VernierThe question was asked in a job interview.This is a very interesting question from Scales topic in portion Lettering Practice, Scales & Curves of Civil Engineering Drawing

Answer»

Right choice is (c) Diagonal

Easiest explanation: Diagonal SCALES are used when very minute distances such as 0.1 mm etc. are to be accurately MEASURED or when measurements are required in THREE units; example- DM, cm and mm, or yard, foot and inch. While other options only GIVE measurement in single unit.



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