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Scheme of Examination
The Competitive Examination will be held in two successive stages:
1. Preliminary Examination
The Preliminary Examination will consist of two papers: one compulsory and one optional, both objective type, carrying a maximum of 400 marks. This exam serves as a screening test. Marks obtained in the Preliminary Examination are not considered for the final merit list of candidates qualified for the Main Examination. The number of candidates admitted to the Main Examination will be 15 times the approximate number of vacancies, plus all candidates tied at the cut-off score.
Section - B
| S.No. | Name of Optional Paper | Max. Marks | Time |
|---|---|---|---|
| 1 | Electrical Engineering | 200 | 2 hours |
Note - 1: The Commission shall not recommend any candidate for the State Engineering Services, who has failed to obtain a minimum of 50% marks in the aggregate.
Note - 2: The Commission shall, in case of Woman Candidates, candidates belonging to the Backward Classes, More Backward Classes, Economically Weaker Sections, Scheduled Castes and the Scheduled Tribes recommend the names of such candidates upto the number of vacancies reserved for them from amongst those who have qualified for interview, even if they fail to obtain the aggregate marks prescribed under Note – 1.
Syllabus :- Electrical Engineering
Electrical Circuits: Circuit elements, Voltage & Current Sources, KCL and KVL Analysis, Network topology, Nodal and Mesh analysis. Basic Network theorems for AC and DC circuits, Network Functions: poles and zeros. Driving point and transfer functions, Response of networks to standard input signals. Elementary network synthesis, different types of network parameters, signal flow graphs, Two-port networks, Interconnection of two-port Network, Theorems in transform domain: Fourier series, Laplace transforms and their applications. Frequency response, Resonant circuits and applications, Steady-state response with sinusoidal input. Three-phase balanced and unbalanced networks, Transient response: Transient analysis of RL, RC and RLC circuits, Basics of magnetically coupled circuits.
Field Theory: Electrostatics and electrical fields, Stoke’s theorem, Laplace’s and Poisson’s equations, Magnetostatics and magnetic fields, Field in conductors and in magnetic materials, field in dielectrics, Maxwell’s equations in time-varying fields.
Electrical Materials: Elementary Concepts, Classification of materials based on permanent magnetic dipoles and conductivity, Electrical and electronic behavior of materials, Dielectric Properties of insulators in static and alternating fields, Phenomenon of polarization and superconductivity, Applications of magnetic, conducting, dielectric & insulating materials.
Electrical Measurement and Instrumentation: General principles of measurement: Units & dimensions, Types of errors, Standard error analysis, Basic methods of measurement, Measurement of circuit parameters by bridge methods, Measuring Instrument: Indicating Instruments, Integrating Instruments, Recording instruments. Measurement of voltage, current, power, power factor, energy, resistance, inductance, capacitance and frequency.
Transducers: Strain gauge, LVDT, Resistance thermometers, Thermistors, Piezoelectric. Measurement of non-electrical quantities: Pressure, temperature, flow rate, displacement, velocity, acceleration, strain, etc.
Electronics and Communication: Solid-state semiconductor devices: Diodes, Zener diodes, Transistors (Bipolar, BJT, JFET, MOSFET). Biasing and their applications, Analysis of electronic circuits, equivalent circuit. Rectifier, filter and voltage regulators. Single-stage and multistage amplifiers-gain and frequency response., flip-flops and their applications.
Digital Electronics: Switching circuits, Boolean algebra and logic gates. Memories, Sample and hold circuits. Logic circuits including DTL, TTL, ECL, MOS, CMOS, Digital ICs. Communication: generation, Detection of AM & FM noise, Behaviour of AM & FM systems.
Microprocessor systems and computer: Fundamentals, Microprocessor architecture 8085, Instruction set and simple assembly language programming, Interfacing of peripheral devices such as General Purpose I/O, memory devices, Applications of microprocessors. Basic layout of digital computers, input-output devices, memory organisations, algorithms, flowcharts.
Power Electronics: Power semiconductor devices, triac, GTO, MOSFET, Thyristor. Static characteristics and triggering circuits, Clipping, Clamping, A.C. to D.C. Converters, choppers. Controlled and uncontrolled power rectifiers, Bridge converters, multivibrators, Oscillators.
Control System: Open and closed-loop systems: Block diagrams and signal flow graphs, Transfer function models of linear time-invariant systems, Response analysis in time and frequency domain; steady-state error analysis. Concept of Stability, Routh-Hurwitz Criteria, Nyquist criteria, Relative Stability analysis, Bode plots, gain margin, phase margin.
Electrical Machines:
Power systems: Generation: thermal, Hydro, Nuclear generation; Non-conventional energy sources. Transmission & Distribution. Transmission line parameters Resistance, Inductance and capacitance calculation, Performance of short, medium and long lines. Neutral earthing & grounding. Underground Cables. Corona & its effects and remedial measures. Basic idea of power system stability & its types. Insulators, introduction to HVDC transmission. Switchgear & protection: theories of arc extinction. Comparative merits of minimum oil, bulk oil, air break, air blast & SF6 circuit breakers. Causes and consequences of fault currents. Current limiting reactors. Busbar arrangements. Requirements of protective relays. Protection of lines, transformers, synchronous generators and busbars. Symmetrical components and their applications.