Electron theory- free electron, Fundamental terms, definitions, units & effects of electric current, Solders, flux and soldering technique.Resistors types of resistors & properties of resistors.
Introduction of National Electrical Code2011 Explanation
Ohm’s Law : Simple electrical circuits
Resistors : Law of Resistance, Series and parallel circuits
Kirchoff’s Laws : Laws and applications, Wheatstone bridge principle and its applications .
Common Electrical Accessories
their specifications in line with NEC 2011-Explanation of switches lamp holders, plugs and sockets. Developments of domestic circuits, Alarm & switches, with individual switches, Two way switch.
Security surveillance, Fire alarm, MCB, ELCB, MCCB.
Chemical Effect of Electric Current
Assembly of a Dry cellElectrodes-Electrolytes.
Chemical effect of electric current Principle of electrolysis
Faraday’s Law of electrolysis.
Basic principles of Electroplating and Electro chemical equivalents.
Explanation of Anodes and cathodes.
Lead acid cell-description, methods of charging-Precautions to be taken & testing equipment
Inverter, Battery Charger, UPS-Principle of working.
Lead Acid cell, general defects & remedies.
Nickel Alkali Cell-description charging.
Routine care & maintenance of Batteries
Sealed Maintenance free Batteries, Solar battery.
Rechargeable dry cell
Magnetism
Classification of magnets
Methods of magnetising
Properties, care & maintenance,methods of magnetising magnetic materials.
Principle of electro-magnetism, Maxwell’s corkscrew rule, Fleming’s left & right hand rules, Magnetic field of current carrying conductors, loop & solenoid.
Resistance
Different Types of resistors used in electrical circuits.
Specification of resistance and tolerance.
Effect of variation of temperature on resistance.
Different methods of measuring
Identification and study of a D.C. Machine and Transformers
D.C. Machines - General concept of Electrical Machines.
Principle of D.C. generator. Use of Armature, Field Coil, Yoke, and Commutator, slip ring Brushes, Laminated core.
Explanation of D.C. Generators-types parts. E.M.F. equation-self excitation and separately excited Generators-Practical uses. Brief description of series
DC Motors - Terms used in D.C. motor-Torque, speed, Back-e.m.f. etc.
Electric wirings
Earthing
Alternating Current
Transformers
Winding of Transformers of different types and ratings.
D.C. m/c Winding
SYNCHRONOUS MOTOR
Induction motor
Single phase induction motor
Universal motor
A.C. m/c Winding
Converter
Fuse
Industrial wiring
Decorative lighting
Basic electronics
Identification of semiconductors
energy level atomic structure.
‘P’ & ‘N’ type of materials - P-N-junction.
Diodeclassification of Diodes – Revered Bias and Forward Bias Heat sink.
Specification of Diode
Study of rectifier ckt
Half wave rectifier ckt
Full wave rectifier ckt.
Bridge rectifier ckt.
Filter ckt
Oscilloscope
Different wave shapes and their values using C.R.O.
Study of a transistors
Explanation of transistor Amplifiers
Study of oscillator
Studies of simple circuits containing U.J.T.
Digital Electronics
Study of Logic gates and circuits.
Flip Flops, Counter
Register & Timer.
Using digital I.C. chips
Number system decimal and binary
Hexa decimal, BCD code
Conversation from decimal to binary and vice-versa.
Occupational Safety & Health
Basic injury prevention
Basic first aid
Hazard identification and avoidance safety
Signs for Danger
Warning
Caution and personal safety message.
Fundamental of Electricity.
Electron theory- free electron, Fundamental terms, definitions, units & effects of electric current, Solders, flux and soldering technique.Resistors types of resistors & properties of resistors.
Introduction of National Electrical Code2011 Explanation
Ohm’s Law : Simple electrical circuits
Resistors : Law of Resistance, Series and parallel circuits
Kirchoff’s Laws : Laws and applications, Wheatstone bridge principle and its applications .
Common Electrical Accessories
their specifications in line with NEC 2011-Explanation of switches lamp holders, plugs and sockets. Developments of domestic circuits, Alarm & switches, with individual switches, Two way switch.
Security surveillance, Fire alarm, MCB, ELCB, MCCB.
Chemical Effect of Electric Current
Assembly of a Dry cellElectrodes-Electrolytes.
Chemical effect of electric current Principle of electrolysis
Faraday’s Law of electrolysis.
Basic principles of Electroplating and Electro chemical equivalents.
Explanation of Anodes and cathodes.
Lead acid cell-description, methods of charging-Precautions to be taken & testing equipment
Inverter, Battery Charger, UPS-Principle of working.
Lead Acid cell, general defects & remedies.
Nickel Alkali Cell-description charging.
Routine care & maintenance of Batteries
Sealed Maintenance free Batteries, Solar battery.
Rechargeable dry cell
Magnetism
Classification of magnets
Methods of magnetising
Properties, care & maintenance,methods of magnetising magnetic materials.
Principle of electro-magnetism, Maxwell’s corkscrew rule, Fleming’s left & right hand rules, Magnetic field of current carrying conductors, loop & solenoid.
Resistance
Different Types of resistors used in electrical circuits.
Specification of resistance and tolerance.
Effect of variation of temperature on resistance.
Different methods of measuring
Identification and study of a D.C. Machine and Transformers
D.C. Machines - General concept of Electrical Machines.
Principle of D.C. generator. Use of Armature, Field Coil, Yoke, and Commutator, slip ring Brushes, Laminated core.
Explanation of D.C. Generators-types parts. E.M.F. equation-self excitation and separately excited Generators-Practical uses. Brief description of series
DC Motors - Terms used in D.C. motor-Torque, speed, Back-e.m.f. etc.
Electric wirings
Earthing
Alternating Current
Transformers
Winding of Transformers of different types and ratings.
D.C. m/c Winding
SYNCHRONOUS MOTOR
Induction motor
Single phase induction motor
Universal motor
A.C. m/c Winding
Converter
Fuse
Industrial wiring
Decorative lighting
Basic electronics
Identification of semiconductors
energy level atomic structure.
‘P’ & ‘N’ type of materials - P-N-junction.
Diodeclassification of Diodes – Revered Bias and Forward Bias Heat sink.
Specification of Diode
Study of rectifier ckt
Half wave rectifier ckt
Full wave rectifier ckt.
Bridge rectifier ckt.
Filter ckt
Oscilloscope
Different wave shapes and their values using C.R.O.
Study of a transistors
Explanation of transistor Amplifiers
Study of oscillator
Studies of simple circuits containing U.J.T.
Digital Electronics
Study of Logic gates and circuits.
Flip Flops, Counter
Register & Timer.
Using digital I.C. chips
Number system decimal and binary
Hexa decimal, BCD code
Conversation from decimal to binary and vice-versa.
