** UPDATED CBSE CLASS XI Engineering Graphics Syllabus: 2018-19

Hi friends, today we are going to discuss you the latest Syllabus of Class XI Engineering Graphics Syllabus. As you know very well that Central Board of Secondary Education (CBSE) has its own curriculum and they hold the supreme authority to change it further for the benefit of students.

UPDATED CBSE CLASS XI Engineering Graphics Syllabus 2018-19, CBSE Class 11th Engineering Graphics Syllabus, CBSE Class 11th Engineering Graphics Syllabus 2018, XIth Class Engineering Graphics Theory Syllabus, XIth Class Engineering Graphics Practical Syllabus, Syllabus of Class XI Engineering Graphics Syllabus

UPDATED CBSE CLASS XI Engineering Graphics Syllabus 2018-19

So it’s always a wise decision to keep an eye on what happening around with the subject you are going to learn. This year CBSE made little bit changes in class XI Engineering Graphics Syllabus. Let us have a look at the updated CBSE class XI Engineering Graphics Syllabus for the academic year 2017-18

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CBSE Class XI Engineering Graphics Syllabus (2018-19 Session)

CLASS XI (2017-18)
One Paper: 3 Hours                                                                                                                                                            70 Marks

S. No. Unit Marks Periods

1. Lines, angles, and rectilinear figures
2. Circles and tangents
3. Special curves: ellipse, parabola, involute, cycloid, helix and sine- curve

16 38

4. Orthographic-projections of points and line.
5. Orthographic projection of regular plane figures.
6. Orthographic projections of right regular solids.
7. Section of solid-figures

27 86

8. Orthographic projections of simple machine-blocks
9. Isometric-projection of laminae (plane figures)
10. Development of surfaces

27 50
Practical 30 66
 Total Marks 100 240

B. Theory

I. PLANE GEOMETRY (38 Periods)
Printing English alphabets (capital and small) numerals in standard proportions. A unidirectional/aligned system of dimensioning as per SP: 46-2003 (Revised)
Unit 1: Construction of lines, angles and their divisions. Simple questions based on triangles, square, rhombus, trapeziums, regular polygons-pentagon, hexagon, and octagon.  (08 Periods)

Unit 2: Construction of circles, external and internal tangents of circles, inscribing, circumscribing circles in an equilateral triangle, square, rhombus, regular polygons-pentagon, hexagon, and octagon.  (10 Periods)

Unit 3: Construction of Engineering curves:
(a) Ellipse by concentric circles, intersecting arcs, and intersecting lines.
(b) Parabola by intersecting lines and intersecting arcs.
(c) Involute of a circle, cycloid, helix and sine curve.   (20 Periods)

Unit 4: Methods of orthographic projections and dimensioning strictly as per SP: 46- 2003 revised conventions. Projection of points, lines.  (20 Periods)

Unit 5: Orthographic projections of Regular Plane figures – triangle, square, pentagon, hexagon,
circle and semi-circle. (12 Periods)

Unit 6: Orthographic projections of right regular solids such as cubes, prisms and pyramid, (square, triangular, pentagonal and hexagonal), cones, cylinders, spheres, hemispheres and frustum of pyramids and cone when they are kept with their axis (a) perpendicular, to HP/VP (b) parallel to one plane and inclined to the other (c) parallel to HP and VP both. (14 Periods)

Unit 7: Section of solids under the same conditions mentioned above made by the horizontal, vertical and
inclined planes. (40 Periods)


Unit 6: Orthographic projections of simple machine blocks. (20 Periods)

Unit 7: Construction of isometric scale showing main divisions of 10 mm and smaller divisions of 1mm each. Isometric projection (drawn to isometric scale) of figures such as triangles, squares, pentagons, hexagons, circles and 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.  (20 Periods)

Unit 8: Development of the surfaces of following solids: (10 Periods)
1. Cube, cuboid, prisms-triangular, square, pentagonal and hexagonal.
2. Pyramids (triangular, square, pentagonal and hexagonal).
3. Right circular cylinder and cone.


(1) One paper (Practical): 3 Hours   (66 Periods)

1. Developing “Prisms” and “Pyramids” with the help of cardboard (thick paper).
2. Developing different types of packaging boxes (cartons).
3. Making different types of graphic designs/ murals for interior/ exterior decorations in color using the knowledge of geometrical figures with the use of any Computer Software such as Collab-CAD and /or any equivalent pertinent software.
4. Drawing ellipse by Trammel and Thread method on the ground/drawing sheet/ plywood/cardboard, etc.
5. Preparing top-view (plan) for a classroom, Home: Drawing room / Bedroom / Study room / Kitchen, Engineering Graphics room drawing different objects therein.
6. Drawing through activities: Involutes, cycloid, helix and sine curves listing their uses in daily life.
7. Preparing the following sections of solids (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 inclined to the base. Also creating different objects with a combination of above solids.

I. 20 activities (minimum two each from aforementioned seven points) are to be assessed.
II. In all the practicals, drawing/sketching of the views should be incorporated and evaluated accordingly.
III. The scheme of evaluation is as follows:

(a) Practicals (2) 15 Marks
(b) Drawing/ Sketch 05 Marks
(C) Viva-voce 05 Marks
(d) Sessional Work 05 Marks
Total 30 Marks

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