Question

A line AB of length 12 inches is perpendicular to profile plane at distance of 6 inches from vertical plane and 3 inches from horizontal plane. The distance from line to xy reference line in top view is _____ inches.

(a) 6

(b) 3

(c) 12

(d) 0

The question was posed to me during an interview.

I would like to ask this question from Projection of Straight Lines Parallel to Plane topic in division Projection of Lines of Engineering Drawing

Answer 1

The correct answer is (a) 6

Explanation: Given the line perpendicular to profile plane. Top view gives the length of line and distance from the xy reference line which is the perpendicular distance from the line to vertical plane. It is given in question as 6 inches.