ELECTRICAL SUPERVISOR EXAM SYLLABUS IN APEX SOCIETIES OF CO-OPERATIVE SECTOR IN KERALA/KERALA STATE CO-OPERATIVE FEDERATION FOR FISHERIES DEVELOPMENT LIMITED (MATSYAFED) (Category No. 223/2020, 224/2020)
Module I (10 Marks)
Fundamentals of Electricity
Voltage, Current, Resistance, Energy, Power-Definitions and Units, Ohm’s law – Statement, Simple problems related to Ohm’s law, Power and Energy, Resistance in series and Parallel -Simple problems. Kirchhoff’s laws – KCL and KVL.
Module II (10 Marks)
Electrostatics and Electromagnetism
Laws of Electrostatics, Permittivity, Electric Flux, Flux Density, Potential, Potential Difference – equations and simple problems, Lightning Phenomenon, Potential Gradient, Dielectrical Strength, Capacitors in series and parallel, Energy stored in a Capacitor, Coulomb’s law, Permeability, Magnetic Flux, Flux density, Reluctance, mmf, Faraday’s law of Electromagnetic Induction, Lenz’s Law. Self Inductance, Mutual Inductance, Energy stored in an inductor, Fleming’s Laws.
Module III (10 Marks)
Fundamentals of AC Systems
Generation of ac voltage, Equation of voltage, Basic terms – amplitude, frequency, cycle, time period, average value, instantaneous value, rms value, form factor, peak factor – equations and related simple problems, ac through resistance, inductance and capacitance, star and delta connections in 3 phase ac systems – line and phase relationship in star and delta systems.
Module IV (10 Marks)
Measurements and measuring instruments
Various types of electrical measuring instruments – Voltmeter, Ammeter, Energy Meter, Wattmeter, Single phase and Three phase power measurement, measurement of resistance, Inductance and Capacitance, Power factor meter, Synchroscope, TOD meter, CRO, Insulation megger and earth megger, multimeter, CT and PT.
Module V (10 Marks)
Safety, First Aid, Batteries and Solar Cell
Basic safety requirements, electric shock-requirement for avoiding shock, first aid, installation, care and maintenance of batteries and solar cells, determination of total number of cells required for a given power requirements.
Module VI (10 Marks)
Various wiring systems – Wires-single strand and multistrand, current ratings. Fuses-cartridge and HRC. Switches – SPST, SPDT, TPTT, ICDP, ICTP, Toggle switch, Limit switch, safety devices- MCB, ELCB, RCCB, electrical illumination, Earthing – Pipe and Plate earthing.
Module VII (10 Marks)
DC generator – construction, working, classification, emf equation, wave and lap windings, characteristics, simple problems
DC motor – construction, working, types, emf equation, torque-simple problems, various starters, speed control, testing, MG set.
Module VIII (10 Marks)
Transformer-construction, principle, types, emf equation, transformation ratio, losses and efficiency, all day efficiency simple problems
Three phase induction motor-principle, construction, types, slip, torque, losses, efficiency, power stages, speed control, three phase motor starters
Alternators-construction, principle, emf equation, losses and efficiency,
Three phase synchronous motor.
Single phase and FHP motors-single phase induction motor, universal motor, ac series motor, servomotor, stepper motor, split phase motor
Module IX (10 Marks)
Number systems, logic gates-AND, OR, NOT, NAND, NOR, De-Morgan’s theorems, half adder, full adder, flip-flops, shift registers, counters, ADC, DAC, soldering Techniques
Module X (10 Marks)
Half wave and full wave rectifiers with and without filters, UJT relaxations oscillator, FET, JFET, Triac, Diac, IGBT, SCR, operation and maintenance of inverter, regulated dc power supply, battery charger, UPS.
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