Question

In perspective projection, the imaginary vertical plane which passes through the station point and the center of vision. It contains the perpendicular axis. It is perpendicular to both the picture plane and ground plane. It is called ____________

(a) central plane

(b) picture plane

(c) ground plane

(d) auxiliary ground plane

The question was asked in examination.

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

Answer 1

Right answer is (a) central plane

The best I can explain: In perspective projection, the imaginary vertical plane which passes through the station point and the center of vision. It contains the perpendicular axis. It is perpendicular to both the picture plane and ground plane. It is called central plane.