1 Sign & Symbol Trade related
Alternating Current
Drawing of simple electrical circuit using electrical symbols.
Drawing of sine square & triangular waves.
Diagram of battery charging circuit.
Practice in reading typical example of circuit containing R, L & C.
Reading of electrical 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.

1 Construction of Scales and diagonal scale

2 Practice of Lettering and Title Block

3 Dimensioning practice:
Position of dimensioning (unidirectional, aligned, oblique as per BIS SP:46-2003)
Symbols preceding the value of dimension and dimensional tolerance.
Text of dimension of repeated features, equidistance elements, circumferential
objects.

1 Three phase Induction motor
Free hand sketching of Slip-ring and Squirrel cage Induction motor.
Typical wiring diagram for drum controller operation of A.C. wound rotor motor.
Drawing the schematic diagram of Autotransformer starter, DOL starter and Star Delta
Starter.
Drawing the schematic diagram of A.C. motor speed control by SCR /AC Drive.

2 Alternator
Tracing of panel wiring diagram of an alternator.
Drawing the schematic diagram of automatic voltage regulators of A.C. generators.