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A room of 1728 m^3 volume is shown as 216 cm^3 volume on a drawing sheet. What is the R.F?

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A room of 1728 m^3 volume is shown as 216 cm^3 volume on a drawing sheet. What is the R.F?

(a) 1/20

(b) 1/200

(c) 1/250

(d) 1/186

This question was posed to me in final exam.

Enquiry is from Scales topic in chapter Lettering Practice, Scales & Curves of Civil Engineering Drawing

1 Answer

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Right option is (b) 1/200

Easy explanation: Since volume is given, formula will turn as

R.F = (drawing volume/original volume)^3

R.F = (216 cm^3 / 1728 * (100)^3 cm^3)^3

         = 1/200.

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