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Table of Contents
Unit – I Sectional Orthographic Views (Marks – 14)
1.1 Cutting plane line.
1.2 Types of sectional views: Full Section, half section, Partial or Broken section, Revolved section, removes section, offset section, aligned section.
1.3 Sectioning conventions.
1.4 Hatching or section lines.
1.5 Conversion of pictorial views into sectional orthographic views (complete object involving slots, threads, ribs, etc).
Unit – II Projection of Lines and Planes (Marks – 12)
2.1 Projection of straight lines involving following positions- i. Parallel to both the planes. ii. Perpendicular to one plane. iii. Inclined to one plane and parallel to the other plane. iv. Inclined to both the planes.
2.2 Traces of line.
2.3 Projection of planes involving following orientations- i. Plane parallel to one principal plane and perpendicular to the other plane. ii. Plane inclined to one principal plane and perpendicular to the other plane.
Unit – III Projection of Solids (Marks – 14 )
3.1 Types of solids.
3.2 Projection of following solids- i. Regular polyhedron – Tetrahedron, Hexahedron (Cube) ii. Regular Prisms and Pyramids- Triangular, Square.
iii. Regular solids of revolution- Cylinder, Cone.
3.3 Projection of given solids With Axis a. Perpendicular to one of the principal projection plane. b. Inclined to one of the principal plane and parallel to the other. c. Parallel to both principal planes.
Unit – IV Intersection of Solids (Marks – 14 )
4.1 Curves of intersection of surfaces – Prism with Prism (Triangular, Square), Cylinder with cylinder.
4.2 Curves of intersection of surfaces – Square Prism with Cylinder when – i. Axes are at 90º and
bisecting. ii. Axes are at 90º and offset.
4.3 Curves of intersection of surfaces – Cylinder with Cone: when the axis of cylinder is parallel to
both the reference planes and cone resting on base on HP with axis intersecting and offset from axis of cylinder.
Unit – V Development of Surfaces (Marks – 16 )
5.1 Developments of lateral surfaces of cube, prisms (Triangular, Square), cylinder, pyramids (Triangular, Square), cone.
5.2 Applications of development of surfaces such as tray, funnel.