Unit I: Safety Rules and Handling of Tools and Materials (10 Questions)
Safety Rules and Safety Sign - Electrical Hazards and Prevention – Rescue Operation and First Aid – Personal Protective Equipment's – Safety Handling of Tools and Materials – Care and Maintenance - Types of Fire, Types and Working of Fire extinguishers.
Unit II: Fundamentals of Electrical and Electronics (20 Questions)
Fundamental of Electricity – Terms and Definition – Effects of Electricity – Fundamental Laws – Ohm’s law – Kirchoff’s law – Law’s of Resistance – Series and Parallel Circuits – Alternating Current (AC) Circuits – Resistance (R) and Inductance (L), Resistance (R) and Capacitance (C), Resistance (R) Inductance (L) Capacitance (C) Circuits – Inductive and Capacitive reactance effects, (Direct Current (DC) and AC System – Advantages – Related terms – Active and Reactive Power – Single Phase and Three Phase System – Star and Delta Connection – Balanced and Unbalanced load – Basic Electronics – Active and Passive Components – Rectifiers -Transistors – Characteristics and Applications.
Unit III: Electrical Machines (15 Questions)
DC Machines – DC Generators – Principle of Operation – Construction – Types – Armature Reaction, Commutation – Applications – DC Motor – Principle of Operation, Starting Methods – Speed Control Methods – Application – Care and Maintenance – Service and Repair. AC Machines – Alternator – Working Principle – Construction – Parts – Types – Characteristics – Parallel Operation – Care and Maintenance – Three Phase Motors – Principle of Working, Types – Characteristics – Types of Starters – Single Phase Motors – Working Principle – Types of Starting and Running Methods – Applications – Care and Maintenance.
Unit IV: Transformers (20 Questions)
Transformers – Working Principle – Classifications – Electro Motive Force (EMF) equation – Construction – Transformation ratio – Single Phase and Three Phase Transformers – Types of Transformers – Parallel Operation – Voltage Regulation and Efficiency – Losses – Types of Cooling – Protective Devices – Materials used for Core and Winding in Transformers – Testing of Transformers, Open Circuit (OC), Short Circuit (SC) and Oil Test – Care and Maintenance – Transformer Earthing.
Unit V: Measuring Instruments, Illumination and Lighting System (20 Questions)
Classification – Forces required for Indicating Instruments – Ammeter, Voltmeter, Multimeter – Power Factor Meter – Tong Tester – Frequency Meter – Energy Meter and their Types – Wattmeter – Megger – Earth Tester – Working – Applications Illumination – Terms and law’s – Types of Lamps - Construction details of various lamps – Types of Lighting Systems
Unit VI: Power Generation (20 Questions)
Conventional and Nonconventional Sources of Energy – Power Generation – Generators – Turbines and other Components – Working Principles – Thermal, Nuclear and Hydel Power Plants – Solar, Wind Energy – Solar Cells – Panels – Connections.
Unit VII: Transmission and Distribution (30 Questions)
Transmission Lines – Low Voltage (LV), Medium Voltage (MV) and High Voltage (HV) – Poles – Conductors – Insulators and other Supporting Materials and their Types – Sag – Corona – Skin Effect – Line Losses – Advantage of AC Transmission over DC – Substations – Types – Substation Equipments – Busbars - Circuit Breakers – Isolators – Control panels – Protection Relays – Protection Schemes, Substation Earthing – Construction standards for Lines and Equipments – Indian Electricity (IE) Rules Pertaining to Transmission and Distribution – Care and Maintenance of Sub-Station and Lines.
Unit VIII: Cells and Batteries (15 Questions)
Chemical effects of Electric Current – Law’s of Electrolysis – Types of Cells – Grouping of Cells for Voltage and Current – Advantage and Disadvantages – Applications – Lead Acid Cell – Construction – Charging Methods – Testing Methods – Care and Maintenance.
Unit IX: Control Panels, Wiring Systems (25 Questions)
Control Panels – Elements – Equipments Symbols – Relays – Contactors, Control Cables and other Components – Consideration of Electro Magnetic Interference (EMI) / Electro Magnetic Compatibility (EMC) – Testing of Various Control Circuits – Circuit Breakers – Fuses, Moulded Case Circuit Breaker (MCCB), Miniature Circuit Breaker (MCB) and Earth Leakage Circuit Breaker (ELCB), Residual Current Circuit Breaker (RCCB), Ground Fault Circuit Interrupter (GFCI) Protection – Domestic Wiring – Types of Wiring – SMART Home Automatic Wiring – IE Rules – National Building Codes for Home Wiring – Specification – Types of Material – Principles of laying of Domestic Wiring – Voltage Drop Concept – Lighting and Power Circuits – Tests to Conduct before Service – Wiring Estimation – Domestic Commercial and Industrial – Earthing – Importance – IE Rules – Earth Resistance – Testing – Improvement of Earth Resistance.
Unit X: Under Ground (UG) Cables, Conductor, Insulators (25 Questions)
UG Cable – Parts – Construction – Advantages and Disadvantages – Types – Cable Insulation and Voltage Grade – Cable joints and Terminations – Standards for laying of Cable – Testing of Cables – Locating Faults – Types of Pillar Box – Ring Main Unit (RMU) Conductors – Properties of Insulation and Conductors – Advantage of Stranded Conductor – Insulator – Types – Dielectric Strength – Voltage Grade – Current Rating