Engineering Drawing

1. Engineering Drawing: Introduction and its importance
Relationship to other technical drawing types
Conventions
Viewing of engineering drawing sheets.
Method of Folding of printed Drawing Sheet as per BIS SP:46-2003

2 Drawing Instruments : their Standard and uses
Drawing board, T-Square, Drafter (Drafting M/c), Set Squares, Protractor.
Drawing Instrument Box (Compass, Dividers, Scale, Diagonal Scales etc).
Pencils of different Grades, Drawing pins / Clips.

3 Lines :
Definition, types and applications in Drawing as per BIS SP: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

4 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.

5 Lettering and Numbering as per BIS SP46-2003: -
Single Stroke, Double Stroke, inclined, Upper case and Lower case.

6 Dimensioning:
Definition, types and methods of dimensioning (functional, nonfunctional and
auxiliary)
Types of arrowhead
Leader Line with text

7 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.

8 Sizes and Layout of Drawing Sheets:
Basic principle of Sheet Size
Designation of sizes
Selection of sizes
Title Block, its position and content
Borders and Frames (Orientation marks and graduations)
Grid Reference
Item Reference on Drawing Sheet (Item List)

9 Method of presentation of Engineering Drawing
Pictorial View
Orthogonal View
Isometric view

10 Symbolic Representation (as per BIS SP:46-2003) of:
Fastener (Rivets, Bolts and Nuts) - Bars and profile sections
Weld, brazed and soldered joints.
Electrical and electronics element
Piping joints and fittings