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.
An Objective Type Test (OMR Valuation) based on the qualification prescribed for the post.
1) Basics of Electrical Engg.
3) Power System
4) Measurements & Estimating
5) Electronics & Operational Amplifier
6) Power Electronics & Micro controller
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.
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.