Detailed syllabus of Kerala PSC Overseer Gr-I (Electrical) Examination with Category no. 677/2012 on October 2013 published by Kerala public service commission.


Post Name: OVERSEER GR-I (ELECTRICAL).
Category Number: 677/2012.
Department: Kerala Tourism Development Corporation Ltd.
Examination Date: 08/10/2013 Tuesday 08.00 AM to 09.15 AM.

Exam Syllabus

An Objective Type Test (OMR Valuation) based on the qualification prescribed for the post.

Main Topics:

1) Basics of Electrical Engg.
2) Machines
3) Power System
4) Measurements & Estimating
5) Electronics & Operational Amplifier
6) Power Electronics & Micro controller

Detailed Syllabus

1. Basics of Electrical Engineering
Supply sources -DC, AC, Electrical circuits with resistance, inductance and capacitance. Power, power factor and energy. Electrostatics-Permittivity, laws, definitions, different type capacitors. Magnetism and electromagnetism - magnetic properties, magnetic circuits and laws. Electrical measurement-Voltage, current, power and energy. DC machines- principle, classification and application. Electrical wiring- types, accessories and earthing.

2. Machines
DC machines -generator types, construction, emf equation, windings, characteristics armature reaction, commutation, trouble shooting and application. DC motor-voltage equation, speed and torque, starting methods speed control, starters. Transformer-single phase and three phase-equivalent circuits, phasor diagrams, tests. regulation and efficiency, connections, parallel operation, autotransformer-principle. Induction motor- Squirrel cage and slip ring , principle and operation, slip, rotor current frequency and rotor emf. Torque- equation, max torque, characteristics, power stages, equivalent circuits. Speed control-starting methods, starters and applications. Synchronous Generator- construction- salient pole & non salient pole, excitation methods. emf equation, .armature reaction, armature reactance, leakage reactance, circle diagram Vector diagram, voltage regulation, cooling system. Synchronous Motor- methods of starting, characteristic, application, Phaser diagram hunting.

3. Power system
Power Generation- Types-hydel, thermal, nuclear, layouts, sight selection, advantages and disadvantages of different systems. Transmission -line constants, line insulators, string efficiency, sag, skin, corona and Ferranti effect and DC transmission system. Cables-terms and definitions, types. Distribution- systems, over head-Radial, ring. & inter connected. Protection -primary and secondary, fuses - terms and definitions, types. Circuit breaker-.principle, operation and types. Protection of alternator, transmission line and neutral earthing. Utilisation -electric heating- materials advantages, types, devices. Electrical welding- principle and types. Traction- terms, definitions, speed time characteristic, tractive effort, efficiency. Electric Braking- Methods, advantages and applications.

4. Measurements & Estimating
Electrical measuring Instruments -Function, terms and definitions. Principle of operation. construction and application. Instruments used for current, voltage, power, power factor, frequency and energy measurements. Digital instruments- Digital voltmeter, digital multimeter, and cathode ray oscilloscope (CRO).wave analyser, spectrum analyser Transducers and gauges- semiconductor strain gauge, LVDT, burden tube, capacitor transducer, piezo electric transducer, bellows.Illumination- terms and definitions, laws of illumination, lighting schemes, design and calculation. Bus-bar design, industrial electrification. Lamps- different types, construction, connection diagram .working, applications. IS code and IE rule.

5. Electronics and Operational amplifier
Transistor-characteristics, configuration and application..equivalent circuits .h- parameters
Amplifier- classification, working, circuit diagram and application. Oscillator - negative feed back.concept of Barhusins's criteria, types,. Multi Vibrates- types, circuit diagram and application. Number system- conversion of decimal, octal and hexa decimal in to binary and vice versa. Binary- addition, subtraction and division.BCD addition Systems of signed binary number- true magnitude form. 1 "s complement. 2,s complement Logic gates- basic logic gates, verification of Truth table. Boolean algebra, axioms and postulates, universal logical gates. K- Map, Dc Morgan's theorem, half adder, full adder. multiplexing and demultiplexing. Flip flop -circuit, and clocked flip -Hops circuits. Operational amplifier - working, characteristic and applications.

6. Power Electronics and Microcontroller
UJT, FET, Diac, Triac, SCR - principle, construction, operation and characteristic, Electric Drives- DC, single phase, semi converter, single full converter, and single phase duel converter. Speed control of 3 phase induction- stator control, voltage and frequency. Micro controller-8051 microcontrollers features, block diagram, architecture, register structure, special function registers, internal and external memory, pin details, ports, counters and timers in 8052. Serial I/O s, associated registers, interrupts. PLC- applications, importance, block diagram, operation, types of PLC s, programming methods, ladder diagram.


Maximum Marks: 100
Exam Duration: 1 hour 15 minutes.
Medium of Questions: English.

Candidates can download the Admission Tickets through their One Time Registration Profile in the Website www.keralapsc.gov.in from 19/09/2013.





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