Question

In perspective projection, the line drawn through the station point and perpendicular to the picture plane is sometimes called the line of sight or axis of vision is called _________

(a) ground line

(b) horizon line

(c) perpendicular line

(d) station line

I have been asked this question in homework.

This key question is from Definitions and Methods of Perspective Projections topic in chapter Oblique & Perspective Projection of Engineering Drawing

Answer 1

The correct choice is (c) perpendicular line

Best explanation: In perspective projection, the line drawn through the station point and perpendicular to the picture plane is sometimes called the line of sight or axis of vision is called perpendicular line.