Unit - I Projection of straight lines and planes 1.1 Projection of straight lines with following positions : a) Parallel to both the planes b) Perpendicular to one plane. c) Inclined to one plane and parallel to the other d) Inclined to both the planes 1.2 Traces of a line 1.3 Projection of planes with following orientations: i. Plane parallel to one principal plane and perpendicular to the other. ii. Plane inclined to one principal plane and perpendicular to the other. Unit - II Projection of solids 2.1 Types of solids. 2.2 Projection of the following solids: a) Regular polyhedron - Tetrahedron, Hexahedron (cube) b) Regular prisms and pyramids- Triangular, Square, Pentagonal, Hexagonal. c) Regular solids of revolution - Cylinder, Cone, Sphere With axis : i. Perpendicular to one of the principal projection plane. ii. Inclined to one of the principal plane and parallel to the other iii. Parallel to both principal planes Unit - III Sections of solids 3.1 Sectional views and true shape of the section for the solids mentioned in Unit II with section plane in following positions : i. parallel to one of the principal projection plane ii. inclined to one and perpendicular to the other principal projection plane. Note : Position of solid is restricted to the following: i. Axis parallel to both principal projection planes. ii. Axis perpendicular to one and parallel to the other principal projection plane. Unit - IV Sectional orthographic views 4.1 Cutting plane line 4.2 Types of sectional views : Full section, Half section, Partial of broken section, Revolved section, Removed section, offset section, Aligned section. 4.3 Sectioning conventions 4.4 Hatching or section lines 4.5 Conversion or pictorial views into sectional orthographic views. Unit - V Missing and Auxiliary views 5.1 Draw missing lines and views from the given orthographic views. 5.2 Auxiliary planes and views. 5.3 Draw Auxiliary view from the given orthographic views. 5.4 Complete the partial view from the given auxiliary and other principal view. Unit - VI Free hand sketches / conventional representation 6.1 Draw free hand sketches/conventional representation of: i. Rivet head ii. Riveted joints: Lap joint - Single and Double Riveted, Butt Joint - Single strap, Double Strap iii. Foundation bolts : Eye and Lewis iv. Couplings : Muff, Protected Flange and Flexible Flange v. Pulleys : Rope and V-Belt vi. Welding joints 6.2 Common engineering materials use in above components and their conventional representation in section.
