Drawing instruments, Drawing sheets, Dimensioning, Lettering. Lettering
and Drawing exercises.
2. Geometrical constructions
Division of a line, Construction of arcs, triangles and polygons. Circumference of circle. Practice problems.
Plain, Diagonal and Vernier scales. Practice problems.
4. Curves used in engineering practice
Conic curves, Cycloidal curves, Involute and Spiral. Applications. Practice problems.
5. Orthographic projections
Reference planes, First quadrant projections, Third quadrant projections,
Orthographic projections from pictorial views, Pictorial views from
orthographic projections, Missing line corrections in orthographic views
and Missing view additions in orthographic views. Practice problems.
6. Projections of points
Pictorial representation and orthographic projections of points. Practice problems.
7. Projections of lines
Projections of lines in simple position, Trapezium method, and projections of lines inclined to both the planes. Application problems. Practice problems.
8. Projections of plane figures
Triangle, quadrilateral, circle and polygons. Practice problems.
9. Projections of solids
Classification of solids. Projections of prisms, pyramids, polyhedrons, cylinder, cone, sphere and combination of solids. Practice problems.
10. Auxiliary projections
Auxiliary planes. Auxiliary projections of points and lines. Change of position method. Auxiliary projections of prisms, pyramids, polyhedrons, cylinder and cone. Practice problems.
11. Sections of solids
Section planes. Sectional projections of prisms, polyhedrons, pyramids, cylinder, cone and sphere. True shapes of sections. Practice problems.
12. Intersection of surfaces
Methods of drawing the lines of intersection of surfaces. Cylinder penetrating cylinder, cylinder penetrating cone, cone penetrating cylinder and prism penetrating prism. Practice problems.
13. Development of surfaces
Parallel line method. Radial line method. Developments of prims, pyramids, cone, polyhedrons and cut solids. Helix and helical spring. Practice problems. ometric projection
Principle of isometric projection. Isometric projection and Isometric view. Isometric projections of plane figures, prisms, cylinder, cone, pyramids, cut solids, combination of solids and cubical objects. Practice problems.
15. Perspective projection
Nomenclature of perspective. Centre of vision method. Perspective of points, parallel lines and polyhedron. Vanishing point method. Perspective of parallel lines, plane figures, solids and cylinder. Practice problems.
16. Objective type questions