Basic Electricity
Matters, atomic structure, electric circuits and its types, ohms law, law of resistance, specific resistance, temperature coefficient series and parallel connection of resistors, Kirchhoff’s laws, Wheatstone’s bridge causes of fire due to electricity and its extinguishing methods safety precautions.Hand tools, wires.
Electric Machines
Transformer-Single phase-Construction, type, losses, efficiency, regulation 3 phase-connections, parallel operations, parts, cooling, oil testing AC motors-single phase, classification, application 3 phase motors-types, slips, speed change, types of starter, application, torque, losses, and efficiency.AC generators-parts, synchronizing DC generators-parts, characteristics, types, applications, efficiency, EMF equation DC motor-parts, types, 2 point starter, 3 point starter, 4 point starter.
Instruments and Earthing
Classification, MC and MI meter, dynamo type wattmeter, static wattmeter, multimeter, megger, Ohm-meter, earth tester, power factor meter, frequency meter, energy meter single phase and 3 phases.Necessity of earthing, rules for earthing, plate earthing, pipe earthing, earth resistance values
Applied Mechanics and Heat Engine
Stress, Strain, metals, ores, purification, burnouses, alloys, malleability, ductility, tempering, hardening, annealing, bending moment, shearing force, I.C.engines, E.C.engines, two strokes, four strokes, diesel engine, petrol engine, cylinder arrangement.
Generation, Transmission, and Distribution
Generation, types of generating stations, History Transmission-O.H.lines, U.G.cables, Insulators, poles and towers, lines protecting equipment, circuit breakers.Distribution-isolators, ELCB, MCB, ACB, OCB, Different types of switches, different types of electrical accessories Laws of the illumination-carbon filament lamp, metal filament lamp, mercury vapor lamps, sodium vapor lamp, fluorescent lamp.
Ac Fundamentals
Definition of AC terms, AC and its advantages, AC through resistance, inductance, capacitance, inductive reactance, RL, RC, RLC series and parallel circuits, power and power factor, comparison of single phase and 3 phase system, Interconnection of 3 phase system, Necessity of high power factor and its improvement.
Magnetism
Properties of magnet, type of magnet, important definitions, magnetic materials, hysteresis loss, determination of the direction of magnetic flux produced around a conductor, solenoid, its field and polarity, Faraday's laws of electromagnetic induction, Lenz’s law, eddy current, self inductance, mutual inductance, capacitors, different types of capacitors, connection of capacitors, electrolysis, Faraday's law of electrolysis, Primary cells, secondary cells and special cells.
Basic Electronics
Semiconductors, Diode, Transistor, IC, OPAMP, FET, SCR, UGT, DIAC, TRIAC, Opto electronic components, rectifier, filters, amplifiers, transistor connection, basic computers, basic digital electronics.
Facts About India
Facts About Kerala
Renaissance In Kerala
Important Events/Movements/Leaders
Brahmananda Swami Sivayogi, Chattampi Swami, Sree Narayana Guru, Vagbhatananda, Thycaud Ayya, Ayya Vaikundar, Poikayil Yohannan(Kumara Guru), Ayyankali, Pandit Karuppan, Mannathu Padmanabhan, V.T.Bhattathirippad, Dr.Palpu, Kumaranasan, Vakkom Moulavi, Blessed Kuriakose Elias Chavara, Etc.
Current Affairs
Important world, national and regional events related to the political and scientific fields, sports, cinema and literature etc.