Engineering Drawing
Grade: 9 Total: 4 hours/w
Total Time: 32 weeks Theory: 28 hours
Practical: 100 hrs
Course description
This course is designed to provide knowledge and skills on Basic drafting technique, Handling of drawing instruments and materials, Geometrical construction, Line work, Lettering, Dimensioning, Orthographic projection, Section, Simple intersection of solid, Surface development
Course objectives
After completion of this course students will be able to:
1. Handle drawing instruments and materials.
2. Understand Geometrical construction and shape.
3. Draw and interpret the multi view of solids with scale and dimensioning.
4. Understand intersection of simple solids.
5. Know about surface development of prism, cylinder, pyramid and cone.
6. Draw the shape of land and calculation of area.
Unit 1 Introduction of drawing [Theory 4 Hours]
1.1. Types of drawing
1.2. Engineering drawing as universal language of engineering technical persons.
1.3. Introduction of drawing materials like drawing sheet, base paper, masking tape etc.
1.4. Introduction of drawing tools like T square, set square pencil, compass scale etc.
Unit 2 Introduction of line and geometrical shape [Theory 2 Hours]
2.1. Definition of line and its type, line weight and their uses.
2.2. Introduction of geometrical shape like rectangle, square triangle parallelogram, rhombus and
polygon.
2.3. Circle and its parts name.
Unit 3 Freehand practicing [Practical 2 Hours]
3.1. Freehand practicing of horizontal, vertical inclined line.
3.2. Freehand practicing of square, rectangle, polygon and circle.
Unit 4 Practicing the line and circle using drawing instruments [Practical 3 Hours]
4.1. Drawing of horizontal line, vertical line, 450, 300, 600, and various lines.
Unit 5 Scale [Theory 2 Hours]
5.1. Full scale [Practical 2 Hours]
5.2. Reduced scale
5.3. Enlarge scale
5.4. Scale construction (Reducing and enlarging scale)
5.5. Practicing the drawing of various length line using the scale
Unit 6 Lettering [Theory 1 Hour]
6.1. Introduction of single and double stroke letter [Practical 3 Hours]
6.2. Vertical and inclined letter.
6.3. Height and width ratio of the letter.
6.4. Practice of letter writing of upper case and lower case letter.
6.5. Practice of Devangiri letter.
Unit 7 Dimensioning [Theory 2 Hours]
7.1. Dimension system [Practical 3 Hours]
7.2. Chain and size dimension
7.3. Dimension and extension line placement of dimension text.
7.4. Uses of arrow head, dot and slash in dimension
.
Unit 8 Geometrical construction [Theory 1 Hour]
8.1. Geometrical shape and their name. [Practical 5 Hours]
8.2. Construction of 90, 60 degree angle and given angle.
8.3. Construction triangle by given side.
8.4. Construction of rectangle, square, pentagon hexagon, Heptagon etc
.
Unit 9 Division [Practical 4 Hours]
9.1. Bisection and trisection of line and angle
9.2. Line dividing any number of equal parts.
9.3. Circle- Dividing five, six,, seven and eight equal parts
Unit 10 Tangent [Theory 1 Hour]
10.1. Line tangent to a circle from any point [Practical 3 Hours]
10.2. Uncrossed (open belt) and crossed (crossed belt) line tangent.)
10.3. Arc tangent (Internal, external and combined)
Unit 11 Engineering Curves [Theory 1 Hour]
11.1. Introduction of curve and its type [Practical 4 Hours]
11.2. Line and circular involutes
11.3. Cycloid
11.4. Helices (cylindrical and conical helix)
Unit 12 Conic Section [Theory 1 Hour]
12.1. Introduction of cone and its terminology and various shape [Practical 6 Hours]
12.2. When it will be occurred
12.3. Ellipse (concentric circle, oblong, and foci method)
12.4. Parabola (rectangle, tangent method)
12.5. Hyperbola
Unit 13 Orthographic Projection [Theory 4 Hours]
13.1. Theory of projection [Practical 24 Hours]
13.2. Introduction principal plane
13.3. Introduction of first and third angle projection.
13.4. Different between first and third angle projection.
13.5. Projection of point(s) and line(s) in first angle projection.
13.6. Projection of line which parallel to HP, parallel to VP and perpendicular to HP and VP,
inclined to HP and VP.
13.7. Orthographic projection prism, cylinder, pyramid and cone.
13.8. Orthographic projection of different models with flat, inclined and circular surface.
(At least 12 practice)
Unit 14 Pictorial projection [Theory 4 Hours]
14.1. Introduction of pictorial projection i.e. oblique [Practical 20 Hours]
Isometric and perspective
14.2. Isometric view
14.2.1. Isometric projection and isometric Drawing
14.3. Oblique view
14.3.1. Caviler and Cabinet projection.
14.4. Converting the orthographic projection of a model into isometric and oblique view by box
method.
Unit 15 True Length and Shape [Practical 2 Hours]
15.1. Finding the true length of a line in orthographic projection by revolution method.
15.2. Finding the true length of line by replacing (auxiliary view) method.
15.3. Finding the true shape of oblique plane by replacing method.
Unit 16 Plane Projection [Practical 3 Hours]
16.1. Drawing of plane parallel to Horizontal plane and perpendicular vertical plane.
16.2. Drawing of plane parallel to vertical plane and perpendicular to horizontal plane.
16.3. Drawing of plane parallel to horizontal plane and inclined to Vertical plane
Unit 17 Section [Theory 2 Hours]
17.1. Need and importance of section [Practical 4 Hours]
17.2. Different type of sectional plane
17.3. Types of section (Longitudinal and crossed section, as well as full and half section).
17.4. Practicing of sectional view At least six model at circular and flat surface.
Unit 18 Surface Development. [Theory 1 Hour]
18.1. Introduction of surface Development. [Practical 6 Hours]
18.2. Method of surface development (parallel and radial line method).
18.3. Surface development of prism, cylinder, pyramid and cone
18.4. Surface development of truncated prism cylinder, pyramid and cone.
.
Unit 19 Intersection of two solids [Theory 1 Hour]
19.1. Introduction of surface intersection [Practical 4 Hours]
19.2. Prism and prism
19.3. Cylinder and cylinder
19.4. Prism and pyramid.
Unit 20 Land measurement /Symbol [Theory 1 Hour]
20.1. Land measurement by triangulation method. [Practical 2 Hours]
20.2. Unit of length/Unit of land Ropani/Bigha
20.3. General symbol of civil, domestic electrical (fixtures) work and plumbing work.
Suggested texts and references:
1. Luzadder, W.J., Fundamental of Engineering Drawing, Prentice-Hall of India Pvt-Ltd., New Delhi,
Latest edition.
2. Bhatt N. D. and PanchalV.M., Engineering Drawing, Charotar Publishing House, 2001.
3. Gill P.S, Engineering Drawing, S. K. Kataraia & Sons, New Delhi, 2004/2005
Grade: 9 Total: 4 hours/w
Total Time: 32 weeks Theory: 28 hours
Practical: 100 hrs
Course description
This course is designed to provide knowledge and skills on Basic drafting technique, Handling of drawing instruments and materials, Geometrical construction, Line work, Lettering, Dimensioning, Orthographic projection, Section, Simple intersection of solid, Surface development
Course objectives
After completion of this course students will be able to:
1. Handle drawing instruments and materials.
2. Understand Geometrical construction and shape.
3. Draw and interpret the multi view of solids with scale and dimensioning.
4. Understand intersection of simple solids.
5. Know about surface development of prism, cylinder, pyramid and cone.
6. Draw the shape of land and calculation of area.
Unit 1 Introduction of drawing [Theory 4 Hours]
1.1. Types of drawing
1.2. Engineering drawing as universal language of engineering technical persons.
1.3. Introduction of drawing materials like drawing sheet, base paper, masking tape etc.
1.4. Introduction of drawing tools like T square, set square pencil, compass scale etc.
Unit 2 Introduction of line and geometrical shape [Theory 2 Hours]
2.1. Definition of line and its type, line weight and their uses.
2.2. Introduction of geometrical shape like rectangle, square triangle parallelogram, rhombus and
polygon.
2.3. Circle and its parts name.
Unit 3 Freehand practicing [Practical 2 Hours]
3.1. Freehand practicing of horizontal, vertical inclined line.
3.2. Freehand practicing of square, rectangle, polygon and circle.
Unit 4 Practicing the line and circle using drawing instruments [Practical 3 Hours]
4.1. Drawing of horizontal line, vertical line, 450, 300, 600, and various lines.
Unit 5 Scale [Theory 2 Hours]
5.1. Full scale [Practical 2 Hours]
5.2. Reduced scale
5.3. Enlarge scale
5.4. Scale construction (Reducing and enlarging scale)
5.5. Practicing the drawing of various length line using the scale
Unit 6 Lettering [Theory 1 Hour]
6.1. Introduction of single and double stroke letter [Practical 3 Hours]
6.2. Vertical and inclined letter.
6.3. Height and width ratio of the letter.
6.4. Practice of letter writing of upper case and lower case letter.
6.5. Practice of Devangiri letter.
Unit 7 Dimensioning [Theory 2 Hours]
7.1. Dimension system [Practical 3 Hours]
7.2. Chain and size dimension
7.3. Dimension and extension line placement of dimension text.
7.4. Uses of arrow head, dot and slash in dimension
.
Unit 8 Geometrical construction [Theory 1 Hour]
8.1. Geometrical shape and their name. [Practical 5 Hours]
8.2. Construction of 90, 60 degree angle and given angle.
8.3. Construction triangle by given side.
8.4. Construction of rectangle, square, pentagon hexagon, Heptagon etc
.
Unit 9 Division [Practical 4 Hours]
9.1. Bisection and trisection of line and angle
9.2. Line dividing any number of equal parts.
9.3. Circle- Dividing five, six,, seven and eight equal parts
Unit 10 Tangent [Theory 1 Hour]
10.1. Line tangent to a circle from any point [Practical 3 Hours]
10.2. Uncrossed (open belt) and crossed (crossed belt) line tangent.)
10.3. Arc tangent (Internal, external and combined)
Unit 11 Engineering Curves [Theory 1 Hour]
11.1. Introduction of curve and its type [Practical 4 Hours]
11.2. Line and circular involutes
11.3. Cycloid
11.4. Helices (cylindrical and conical helix)
Unit 12 Conic Section [Theory 1 Hour]
12.1. Introduction of cone and its terminology and various shape [Practical 6 Hours]
12.2. When it will be occurred
12.3. Ellipse (concentric circle, oblong, and foci method)
12.4. Parabola (rectangle, tangent method)
12.5. Hyperbola
Unit 13 Orthographic Projection [Theory 4 Hours]
13.1. Theory of projection [Practical 24 Hours]
13.2. Introduction principal plane
13.3. Introduction of first and third angle projection.
13.4. Different between first and third angle projection.
13.5. Projection of point(s) and line(s) in first angle projection.
13.6. Projection of line which parallel to HP, parallel to VP and perpendicular to HP and VP,
inclined to HP and VP.
13.7. Orthographic projection prism, cylinder, pyramid and cone.
13.8. Orthographic projection of different models with flat, inclined and circular surface.
(At least 12 practice)
Unit 14 Pictorial projection [Theory 4 Hours]
14.1. Introduction of pictorial projection i.e. oblique [Practical 20 Hours]
Isometric and perspective
14.2. Isometric view
14.2.1. Isometric projection and isometric Drawing
14.3. Oblique view
14.3.1. Caviler and Cabinet projection.
14.4. Converting the orthographic projection of a model into isometric and oblique view by box
method.
Unit 15 True Length and Shape [Practical 2 Hours]
15.1. Finding the true length of a line in orthographic projection by revolution method.
15.2. Finding the true length of line by replacing (auxiliary view) method.
15.3. Finding the true shape of oblique plane by replacing method.
Unit 16 Plane Projection [Practical 3 Hours]
16.1. Drawing of plane parallel to Horizontal plane and perpendicular vertical plane.
16.2. Drawing of plane parallel to vertical plane and perpendicular to horizontal plane.
16.3. Drawing of plane parallel to horizontal plane and inclined to Vertical plane
Unit 17 Section [Theory 2 Hours]
17.1. Need and importance of section [Practical 4 Hours]
17.2. Different type of sectional plane
17.3. Types of section (Longitudinal and crossed section, as well as full and half section).
17.4. Practicing of sectional view At least six model at circular and flat surface.
Unit 18 Surface Development. [Theory 1 Hour]
18.1. Introduction of surface Development. [Practical 6 Hours]
18.2. Method of surface development (parallel and radial line method).
18.3. Surface development of prism, cylinder, pyramid and cone
18.4. Surface development of truncated prism cylinder, pyramid and cone.
.
Unit 19 Intersection of two solids [Theory 1 Hour]
19.1. Introduction of surface intersection [Practical 4 Hours]
19.2. Prism and prism
19.3. Cylinder and cylinder
19.4. Prism and pyramid.
Unit 20 Land measurement /Symbol [Theory 1 Hour]
20.1. Land measurement by triangulation method. [Practical 2 Hours]
20.2. Unit of length/Unit of land Ropani/Bigha
20.3. General symbol of civil, domestic electrical (fixtures) work and plumbing work.
Suggested texts and references:
1. Luzadder, W.J., Fundamental of Engineering Drawing, Prentice-Hall of India Pvt-Ltd., New Delhi,
Latest edition.
2. Bhatt N. D. and PanchalV.M., Engineering Drawing, Charotar Publishing House, 2001.
3. Gill P.S, Engineering Drawing, S. K. Kataraia & Sons, New Delhi, 2004/2005
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