Question

A line parallel to horizontal plane and at a distance of 10 units to it and both the end of line are 6 units away from the vertical plane. Which of the following statement is false?

(a) The line parallel to vertical plane

(b) The side view of line gives a point

(c) The length of line in front view is 10 units

(d) The length of line in top view is 6 units

This question was posed to me in an international level competition.

This intriguing question comes from Projection of Straight Lines Parallel to Plane in portion Projection of Lines of Engineering Drawing

Answer 1

The correct option is (d) The length of line in top view is 6 units

To explain: The line which is equidistance from a plane is said to be parallel to it. The line which is parallel to two perpendicular planes will be perpendicular to other perpendicular plane to the earlier planes.