1. Introduction
Graphics as a tool to communicate ideas, Lettering and’ dimensioning, Construction of geometrical figures like pentagon and hexagon. 2
2. Orthographic Projection
Principles of orthographic projections, Principal and auxiliary planes, First and Third angle projections. 1
Projection of points. Pictorial view. 1
Projection of lines parallel to both the planes. Parallel to one and inclined to other, Inclined to both the planes. Application to practical problems. 3
Projection of solid in simple position, Axis or slant edge inclined to one and parallel to other plane, Solids lying on a face or generator on a plane. 2
Sectioning of solids lying in various positions, True shape of the section. 2
Development of lateral surfaces, sheet metal drawing. 1
3. Isometric Projection
Principles of isometric projection, Isometric projection using box and offset methods. 2
References:
1. Bhatt. N.D.: Elementary Engineering Drawing, Charothar Publishing.
2. Laxmi Narayan V & Vaish W. : A Text Book of Practical Geometry on Geometrical drawing.