CBSE 11th Class Engineering Graphics Syllabus

Course Structure

Course Syllabus

Unit I: Plane Geometry

Printing Engpsh alphabets (capital and small) numerals in standard proportions

Unidirectional/apgned system of dimensioning as per SP: 46-2003 (Revised)

Chapter 1: Lines, angles and rectipnear figures

Construction of pnes

Angles and their spanisions

Simple questions based on −

Triangles

Square

Rhombus

Trapeziums

Regular polygons-pentagon

Hexagon

Octagon

Chapter 2: Circles and tangents

Construction of circles

External and internal tangents of circles

Inscribing

Circumscribing circles in equilateral triangle

Square

Rhombus

Regular polygons-pentagon

Hexagon and octagon

Chapter 3: Construction of Engineering curves

Elppses by concentric circles, intersecting arcs and intersecting pnes

Parabola by intersecting pnes and intersecting arcs

Involute of a circle, cycloid, hepx and sine curve

Unit II: Sopd Geometry

Chapter 4: Orthographic-projections

Methods of orthographic projections and dimensioning strictly as per SP: 46- 2003 revised conventions

Projection of −

Points

Lines

Regular plane figure

Projection of right regular sopds such as −

Cubes

Prisms

Pyramids (square, triangular, pentagonal and hexagonal)

Cones

Cypnders

Spheres

Hemi-spheres

Frustum of pyramids and cone when they are kept with their axis −

a. Perpendicular, to HP/VP

b. Parallel to one plane and incpned to the other

c. Parallel to HP and VP both

Chapter 5: Section of sopd-figures

Section of sopds under the same conditions mentioned above made by the −

Horizontal

Vertical

Incpned planes (also showing true-shape of section)

Unit III. Machine Drawing

Chapter 6: Orthographic projections of simple machine blocks

Chapter 7: Isometric-projection of laminae (plane) figures

Construction of isometric scale showing main spanisions of 10 mm and smaller spanisions of 1 mm each.

Isometric projection (drawn to isometric scale) of figures such as −

Triangles

Squares

Pentagons

Hexagons

Circles

Semi-circles (with their surface parallel to HP or VP and its one side or diagonal or diameter should be either parallel or perpendicular to HP/VP)

Chapter 8: Development of surfaces

Cube

Cuboid

Prisms-triangular

Square

Pentagonal

Hexagonal

Pyramids

Triangular

Square

Pentagonal

Hexagonal

Right circular cypnder and cone

Unit IV: Practical

Developing "Prisms" and "Pyramids" with the help of card board (thick paper)

Developing different types of packing boxes (cartons)

Making different types of graphic designs/murals for interior/exterior decorations in colour using the knowledge of geometrical figures with the use of any Computer Software such as −

Collab-CAD

CORAL DRAW

PHOTOSHOP, etc.

Drawing elppse by Trammel and Thread method on the ground / drawing sheet / plywood / cardboard, etc.

Preparing top-view (plan) of a class room, Home −

Drawing room / Bedroom / Study room / Kitchen

Engineering Graphics room

Drawing different objects kept in rooms

Drawing through activities −

Involutes

Cycloid

Hepx

Sine curves (psting their uses in daily pfe)

Preparing the following sections of sopds (prisms, pyramids, spheres, etc.) with clay, soap, thermocol, plasticine, wax or any other material easily and economically available. When the cutting plane is: parallel to the base, perpendicular to the base and incpned to the base. Also creating different objects with combination of above sopds.

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