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The ratio of the length of the drawing of the object to the actual length of the object is called ___________

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The ratio of the length of the drawing of the object to the actual length of the object is called ___________

(a) Resulting fraction

(b) Representative figure

(c) Representative fraction

(d) Representative index

The question was posed to me in exam.

The above asked question is from Scales topic in portion Lettering Practice, Scales & Curves of Civil Engineering Drawing

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The correct option is (c) Representative fraction

Easiest explanation: Representative fractions are a unit-less relation between one “unit” on the map and however many “units” of the same type on the ground. When a 1 cm long line in a drawing sheet represents 1 m length of the actual object on the ground, the R.F is equal to 1 cm/1 m = 1/100. These are of 3 types-full scale, reduced scale and enlarged scale.

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