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Which of the following representative fraction depicts an enlarging scale?

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in Engineering Drawing by (687k points)
Which of the following representative fraction depicts an enlarging scale?

(a) 1:0.2

(b) 1:2

(c) 1:3

(d) 1:1

This question was addressed to me in exam.

The origin of the question is Types of Scales topic in division Scales of Engineering Drawing

1 Answer

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The correct answer is (a) 1:0.2

For explanation: Enlarging scale means that the drawing is drawn with the bigger dimensions in comparison to the actual dimensions of the object. A representative fraction of 1:0.2 means 5:1, i.e. the drawing is five times bigger than the actual object. Hence the scale is enlarging scale.

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