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SCHEME AND SYLLABUS FOR RECRUITMENT TO THE POST OF ASST. ELECTRICAL INSPECTORS IN CHIEF ELECTRICAL INSPECTOR TO GOVT. SERVICE
|Part-A: Written (Objective type) Examination|
|Paper-1||General||Studies||150 Marks||150 Questions||150 Minutes|
|& Mental ability|
|Paper-2||Subject (Electrical||300 Marks||150 Questions||150 Minutes|
|Part-B: Oral Test (Interview)||50 Marks|
PAPER-1 GENERAL STUDIES & MENTAL ABILITY
1. General Science – Contemporary developments in Science and Technology and their implications including matters of every day observation and experience, as may be expected of a well-educated person who has not made a special study of any scientific discipline.
- Current events of national and international importance.
- History of India – emphasis will be on broad general understanding of the subject in its social, economic, cultural and political aspects with a focus on AP Indian National Movement.
- World Geography and Geography of India with a focus on AP.
- Indian polity and Economy – including the country’s political system- rural development – Planning and economic reforms in India.
- Mental ability – reasoning and inferences
PAPER-2 (CONCERNED SUBJECT) ELECTRICAL ENGINEERING
I. ELECTRICAL CIRCUITS:
Basic electrical laws, Analysis of DC networks, transient response of RLC networks excited by impulse, step, ramp and sinusoidal excitations. Transform methods, transfer functions, poles and zeros steady state AC networks, frequency domain analysis, resonance, coupled circuits, two port networks, three phase networks, power in a.c. networks, power measurement in 3-phase networks.
II. E.M. THEORY:
Electro static and electro magnetic fields, vector methods, Fields in dielectric, conducting and magnetic materials, Laplace and Poisson’s equation. Time varying fields, Maxwell’s equation, Poynting Theory, properties of transmission lines.
III. ELECTRICAL MEASUREMENT AND INSTRUMENTS:
Electrical standards, Error analysis, Measurement of current, voltage, power, energy, power factor, resistance, inductance capacitance frequency and loss angle. Indicating instruments, extension of range of instruments, DC and AC bridges. Electronic measuring instruments. Electronic multimeter, CRO, frequency counter, digital voltmeter, transducers, Thermocouples, Thermistor, LVDT, strain gauges, Piezo electric crystal, Measurement of non-electrical quantities like, pressure, velocity, temperature, flow rate, displacement acceleration and strain.
IV. CONTROL SYSTEMS
Open and closed loop control systems, Mathematical modelling, block diagram, signal flow graphs, time response and frequency response of linerar systems, error constants and series Rootlocus technique, Bodeplot, polar plot, M-circles, N-circles, Nichol’s charts, stability, Routh Hurwitz criteria. Nyquist stability criteria, compensators, design in frequency domain. Control system components. Servo motors, synchros, tacho generator, error detector. State variable approach, modelling, state transition matrix, transfer function, response.
Solid state devices and circuits. Small and large signal -amplifiers with and without feedback at audio and radio frequency, multistage amplifiers. Operational amplifiers and applications. Integrated circuits oscillators, RC, LC and crystal oscillators wave form generators, multi- vibrators – Digital circuits, Logic gates, Boolean algebra combinational and sequential circuits. A to D and D to A converters Micro processors (8085) instruction set, memories, interfacing programmable peripheral devices – Number system flow charts – expressions and statements in C – language – simple programs for engineering application.
VI. D.C. ELECTRICAL MACHINES:
Fundamentals of electro mechanical energy conversion, constructional features of D.C. Machines, emf equation types and characteristics of generators application, Torque in DC motor, types of DC motors, applications. Testing of D.C. motors, efficiency, and starting and speed control.
Construction – Principle of operation of 1 -phase transformers – Vector diagram on No Load and – Load – Parallel operation – Regulation – efficiency – Equivalent circuit 3 phase transformer connections – Scott connection.
VIII. INDUCTION MOTORS:
Production of rotating magnetic field, production of torque types of motors equivalent circuits, Circle diagram, torque slip characteristics, starting and maximum torque, speed control, principle of single phase induction motors, Applications.
IX. SYNCHRONOUS MACHINES:
Generation of emf in 3 phase AC Generator, Armature reaction, regulation by Synchronous inpedance and Ampere turn methods, parallel operation, transient and sub-transiat reactances, theory of salient pole machines.
Synchronous Motor: Torque production, performance characteristics, methods of starting, V-Curves, synchronous condenser.
Special Machines: Stepper motor, Methods of operation, Amplidyne and metadyne-applications.
X. ELECTRICAL POWER GENERATION:
General layout – Types of power stations, economics of different types, base load and peak load stations, load factor and its effects, pumped storage schemes.
XI. POWER TRANSMISSION:
Calculation of line parameters, concepts of short, medium and long transmission lines, ABCD parameters, insulators, Corona, P.U. quantities, fault calculations, symmetrical components load flow analysis using Gauss Seidal, New-ton Raphson, methods, economic operation, stability, steady state and transient stability, equal area criterion, ALFC and AVR control for real time operation of interconnected systems.
XII. POWER SYSTEM PROTECTION:
Principles of arc quenching, circuit breaker classification, Recovery and restriking voltages, relaying principles over current, directional over current relays-generator and transformer protection using differential relays-line protection using distance relays Surgeo phenomena in transmission lines – Travelling wave theory, protection against surges.
Industrial Drives – Motors for various drives – Braking methods – Speed control of motors – Economics of rail traction – Mechanics of train movement – Estimation of power and energy requirements – Illumination – Laws Factory lighting – Street lighting – Induction and dielectric heating.
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