First year Engineering Drawing Syllabus 2021

 

(Common for CTS Engineering trades during 1st year)

(Not applicable for Draughtsman trade Group)

Sl. No. Topic Time in hrs.

1. Engineering Drawing – Introduction

Introduction to Engineering Drawing and Drawing Instruments –

• Conventions

• Viewing of engineering drawing sheets.

• Method of Folding of printed Drawing sheet as per BIS SP: 46-2003

2. Drawing Instrument

• Drawing board, T-square, Drafter (Drafting M/c), Set squares,

Protector, Drawing Instrument Box (Compass, Dividers, Scale,

Diagonal Scales etc.), pencils of different grades, Drawing pins/ Clips.

3. Free hand drawing of –

• Lines, polygons, ellipse etc.

• Geometrical figures and blocks with dimension

• Transferring measurement from the given object to the free hand

sketches.

• Solid objects – Cube, Cuboids, Cone, Prism, Pyramid, Frustum of Cone

with dimensions.

• Free hand drawing of hand tools and measuring tools, simple

fasteners (nuts, bolts, rivets etc.) trade related sketches

4. Lines

• Definition, types and applications in drawing as per BIS: 46-2003

• Classification of lines (Hidden, centre, construction, extension,

Dimension, Section)

• Drawing lines of given length (Straight, curved)

• Drawing of parallel lines, perpendicular line

• Methods of Division of line segment

5. Drawing of Geometrical figures:

Definition, nomenclature and practice of –

• Angle: Measurement and its types, method of bisecting.

• Triangle: different types

• Rectangle, Square, Rhombus, Parallelogram.

• Circle and its elements

• Different polygon and their values of included angles. Inscribed and

circumscribed polygons

6. Lettering & Numbering –

• Single Stroke, Double Stroke, Inclined.

7. Dimensioning and its Practice

• Definition, types and methods of dimensioning (functional, non-

functional and auxiliary)

• Position of dimensioning (Unidirectional, Aligned)

• Types of arrowhead

• Leader line with text

• Symbols preceding the value of dimension and dimensional tolerance.

8. Sizes and layout of drawing sheets

• Selection of sizes

• Title Block, its position and content

• Item Reference on Drawing Sheet (Item list)

9. Method of presentation of Engg. Drawing

• Pictorial View

• Orthographic View

• Isometric View

10. Symbolic representation – different symbols used in the trades

• Fastener (Rivets, Bolts and Nuts)

• Bars and profile sections

• Weld, Brazed and soldered joints

• Electrical and electronics element

• Piping joints and fitting

11. Projections

• Concept of axes plane and quadrant

• Orthographic projections

• Method of first angle and third angle projections (definition and

difference)

• Symbol of 1st angle and 3rd angle projection in 3rd angle.

12. Orthographic projection from isometric projection 

13. Reading of fabrication drawing