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Which of the following instrument can be used to draw accurate perpendicular lines, parallel lines and angular lines?

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Which of the following instrument can be used to draw accurate perpendicular lines, parallel lines and angular lines?

(a) Mini – drafter

(b) T – square

(c) Protractor

(d) Set square

This question was addressed to me in semester exam.

The query is from Drawing Tools and their Uses in division Drawing Instruments, Sheet Layout & Free-Hand Sketching of Engineering Drawing

1 Answer

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Right answer is (a) Mini – drafter

For explanation I would say: Mini – drafters are used to draw perpendicular lines, parallel lines and angular lines. They consist of blades, protractor head, double bar link mechanism, screw and clamp. The blades have markings corresponding to the engineering scale.

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