When the projectors are parallel to each other and also perpendicular to the plane, the projection is called ___________ projection.
(a) Oblique projection
(b) Orthographic projection
(c) Isometric projection
(d) Perspective projection
I had been asked this question in unit test.
My question comes from Orthographic Reading in chapter Orthographic Projection, Projections of Lines, Planes and Solids of Civil Engineering Drawing