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A line AB of length 24 cm is parallel to vertical plane and perpendicular to profile plane held at a distance of 5 cm away from horizontal plane and 6 cm away from the vertical plane. The distance from xy reference line to line AB is _____ cm in top view.

(a) 6

(b) 12

(c) 5

(d) 7.8

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This interesting question is from Projection of Straight Lines Parallel to Plane topic in section Projection of Lines of Engineering Drawing

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Right option is (a) 6

Easy explanation: Asked for top view, which gives the distance from vertical plane and profile plane because the top view is parallel to horizontal plane. Also given the line is perpendicular to profile plane. the distance from xy reference line to line AB will be 6 cm.

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