Details

SECL ELECTRICAL FOREMAN EXAM SYLLABUS-2026

Part - A Marks – 80
Subject Knowledge - 1 to 4 Annexure - I

1. Electrical theory (Elementary Knowledge):

• Principle of Electricity - Electric voltage, current and resistance, Ohm’s law and explanation, specific resistance, Kirchhoff’s laws, Wheatstone’s bridge, meter bridge, law of resistance and their application for calculating voltage drop, series and parallel circuit, practical unit of voltage, current, resistance, inductance, capacitance, power and energy. Relation between electric power unit (kW) and mechanical power unit (HP). Work, power, energy and heating effects of electric current. Conductance. Conductivity – effects of temperature on resistance.
• Electro Magnetism – Concept of electromagnetic force (EMF), production of E.M.F., Fleming’s right and left hand rules, natural and artificial magnets, magnetic field and magnetic lines of force, Coulomb’s inverse square law, permeability, magnetic materials, magnetic properties of material, electromagnets and their application.
• Electrical Materials – Conductors, semiconductors and insulating materials and their relative merits, transformer oil, effect of heat and moisture on insulation, lubricants and their uses.
• Generation of Electricity – Sources of natural energy, renewable and non-renewable sources, methods of production of electricity (AC and DC).
• Controlling and Switch Gears – Knowledge of various types of switches, circuit breakers, cutouts, starters, protective devices for both AC and DC motors and their wiring, wiring tools and accessories, electrical wiring joints.
• Transformer – Knowledge of single-phase and three-phase transformers, their construction, use and maintenance. Phasing out, parallel working, transformer tapings, temperature rise, instrument transformer, auto-transformers, testing of transformers.
• Conversions – Principle of operation of motor-generator sets, conversion techniques, star and delta circuits, solving problems on star-delta transformation.
• D.C./A.C. Generators – Essential components and constructional features, shunt, series and compound dynamos and their characteristics, causes for sparking, interpoles.