

Aali I  Electrical Trade 
Weekly Time Table 

Class 
Trade Theory 
Electronic Technology 
Engineering Drawing 
Maths 
Science 
Practical 
Total 
Aali I 
2 
 
2 
1 
1 
4 
10 
Aali II 
2 
 
2 
1 
1 
4 
10 
Aali III 
2 
2 
 
1 
1 
4 
10 
Aali IV 
3 
 
 
 
 
*7 
10 
*4 for Practicals & 3 for Project 
Topics..... 
» Science
» Maths
» Engineering Drawing
» Trade Theory & Practical
» Laboratory Work 
Periods 
Total Periods per Year : 30 
Periods per Week : 1 
Trade / Subject 
Electrician cum Wireman / Fitter cum Welder 
Science (ELECTRICAL & MECHANICAL) 


Topics for Science: 
UNIT 1 
Introduction: Science and scientific method. Physics and Chemistry. Science and Technology.
Measurement: Measurement and its importance. Units. Systems of Units. Scientific notation powers if 10). Basic and Derived units. Dimensions and its uses. Errors. 
UNIT 2 
Motion and its description (Kinematics):
Kinematical variables for one dimensional motion (position, time, speed, velocity, acceleration etc.). Relations between these for uniform motion. Graphical representations of uniform and nonuniform motion. Vectors and their use in the description of motion in two and three dimensions. Uniform circular motion. 
UNIT 3 
Motion and its causes (Dynamics):
Concepts of mass, inertia, momentum and force. Newton's three laws of motion. Their statements, explanation, significance and limitations. Types of forces. Force of friction, Static, Kinetic and rolling friction. 
UNIT 4 
Work, Energy and Power: Definitions of work (done by a force), energy and power. Kinetic energy and potential energy. Types of energy and the law of conservation of energy.
Rotational motion: Variables describing rotational motion. Rotational kinetic energy and moment of inertia. Angular momentum. Equations of motion for rotational motion. (Conservation of angular momentum). 
UNIT 5 
Oscillation and Waves:
Periodic motion and simple harmonic motion. Kinetic energy and potential energy in simple harmonic motion. Difference between wave motion and simple motion. Relations between frequency, wavelength, speed, wave number etc. Equation for a harmonic wave. 
Books Recommended :
» Physics: A text book for class XI (portions from part I and chapters 12 & 13 from part II) NCERT, New Delhi.
» Jadeed ilmul science ( ) by Wazarat Hussain, Educational Book House, Aligarh. 
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Topics for Maths: 
Periods 
Total Periods per Year : 30 
Periods per Week : 1 
Trade / Subject 
Electrical and Mechanical 
Maths 

UNIT 1 
Quadratic Equations
 Solution of Quadratic equations
 Symmetric functions of roots
 Applications

UNIT 2 
Cartesian System of Rectangular Coordinates
 Cartesian Coordinate System
 Distance Formula

Books Recommended :
» Mathematics for class XI and XII (N.C.E.R.T., New Delhi) 
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Engineering Drawing: 
Periods 
Total Periods per Year : 60 
Periods per Week : 2 
Trade / Subject 
Electrician cum Wireman 
Engineering Drawing 

UNIT 1 
Use of Drawing instruments. Types of lines. Line thickness. Sizes of Drawing sheets. Scales in metric system (Enlargement and Reduction) 
UNIT 2 
Plain and Diagonal scales, R.F., Construction of Scales 
UNIT 3 
Construction of geometrical figures likes Triangles, Squares, Rectangles, Pentagons and Hexagons. Circumscribed and Inscribed Circles. 
UNIT 4 
Conventional symbols for Electrical installation (IS: 7321963), symbols for indicating apparatuses and symbols for indicating the methods of operation of instruments and accessories. (IS: 1248968). 
UNIT 5 
Graphical symbols used in Electrotechnology: Switchgears and Auxiliaries (IS 20321965) Current distribution systems and methods of connection (IS: 20321962). 
UNIT 6 
Graphical symbols used in Electrotechnology: Motor starters, Rotating machines and Transformers (IS: 20321964 & IS : 20321965). 
UNIT 7 
Symbols used in simple circuit diagrams, Sketching of name plate of transformer (IS: 11801964), Typical terminal marking plates of transformers upto 100 KVA. Diagram of HRC cartridgefuse links and fuse (IS:31061966). 
Books Recommended :
» Electrical design, estimating, & costing by K.B. Raina & S.K. Bhattacharya.
» Industrial Electronics and Control by S.K. Bhattacharya.
» Electrical Engg. Drawing by S.K. Bhattacharya.
» IS Codes 7321963, 12481968, 20321962, 1964 and 1965,31061966. 
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Trade Theory and Practical: 
Periods 
Total Periods per Year : 60 
Periods per Week : 2 
Trade / Subject 
Electrician cum Wireman 
Trade Theory and Practice 

UNIT 1 
Introduction to the trade. Scope for training in the trade. Safety precautions and first aid for electric shocks and burns etc. Description and specifications of common hand tools. Fundamental terms, definitions and units etc. 
UNIT 2 
Electric current, effect of electric current, Electrical conductors: their shapes, sizes and use of wire gauge. Insulated conductors: their specification in terms of type of insulation used, voltage rating, no. of core etc. Common electrical accessories and Different types of insulating materials. 
UNIT 3 
Principle of electromagnetism, Electromagnet advantages and uses, Magnetic field of current, Right hand thumb rule, Different terms related to magnetism, Principle of Electormagnetic induction, Farradays' law of Electromagnetic induction. 
UNIT 4 
Principle of D.C. generator, Fleming's Right hand rule, EMF equation, Fleming's left hand rule, Principle of D.C.motor, terms used in DCmotor their relation and practical application. 
UNIT 5 
Fundamentals of AC, different terms used and their interrelations. General idea of single phase and 3phase supply systems, Concept of inductance and capacitance, Use of inductor and capacitor. Power factor and power in A.C. circuits. 
Books Recommended :
» Fundamental of Electrical Engg. by Ashfaq Hussain.
» Basic Electrical Engg. by V.K. Mehta. 
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Laboratory Work : 
Periods 
Total Periods per Year : 120 
Periods per Week : 4 
Trade / Subject 
Electrician cum Wireman 
Laboratory Work 

1. 
To study various types of Electrical tools. 
2. 
To control one tamp with one switch. 
3. 
To control two lamps in series two in parallel and one alone. 
4. 
To make connection of stair case lighting using two 2way switches. 
5. 
To control one lamp from different places using an intermediate switch. Also study the intermediate switch and its applications. 
6. 
To make connection for gallery lighting. 
7. 
To make connection for a 230 V calling bell.
To make connection for a 6 V bell using a 230 V/6 V transformer. 
8. 
Study of various types of wires and cables used in domestic wiring.
Measurement of SWG of different wires by means of Standard Wire Gauge. 
9. 
To make connection for a fluorescent tube light and study the function of choke and starter. 
  