TNPSC - ELECTRONICS / ELECTRONICS AND COMMUNICATION ENGINEERING (Degree Standard)

UNIT I: SEMICONDUCTOR THEORY AND ELECTRONIC DEVICES

• Intrinsic and extrinsic semiconductors

• Energy Band Diagrams

• Diffusion and Drift current densities

• Hall effect

• PN junction diode, current equation

• Transition and Diffusion capacitances

• Zener diode, Tunnel diode, Varactor diode, Photo diode, Schottky diode, LED

• BJT, FET, JFET, MOSFET, SCR, UJT, TRIAC

• IC fabrication

UNIT II: CIRCUIT THEORY, SIGNALS AND SYSTEMS

• Kirchoff’s laws, Nodal and Mesh analysis

• Network theorems: Superposition, Thevenin, Norton, Maximum Power Transfer, Miller

• Delta-Wye conversion

• Transients and resonance in RLC circuits

• Magnetically coupled circuits, Mutual inductance

• Continuous and Discrete time signals

• Energy and power signals

• Fourier series, Fourier transform

• Laplace transform analysis, Convolution integral

• DTFT and Z transform, Convolution sum

• Recursive and Non-recursive systems, Sampling Theorem

UNIT III: ANALOG ELECTRONIC CIRCUITS

• BJT, JFET, MOSFET amplifiers: Biasing, Small signal analysis, Frequency response

• BJT and MOSFET Multistage amplifiers: Differential, Darlington, cascode, cascade

• Feedback amplifiers, Tuned amplifiers

• RC and LC oscillators, Power amplifiers

• Rectifiers and wave shaping circuits

• Operational Amplifier: characteristics, applications, CMRR, Slew rate

• Waveform generators, Active filters

• Timers, PLL, VCO, ADC, DAC, Regulators and Converters

UNIT IV: CONTROL SYSTEMS AND INSTRUMENTATION

• Control system components, Feedback

• Transfer function, Transient and steady-state analysis of LTI systems

• Frequency response: Bode, Polar, Nyquist plots

• Routh-Hurwitz and Nyquist stabilities

• Lag, Lead, Lag-lead compensation

• State variable model

UNIT V: ELECTRONIC COMMUNICATION

• AM, FM, PM modulation and demodulation

• Superheterodyne receiver, AGC

• PAM, PWM, PPM

• Entropy, Mutual information, Channel capacity

• PCM, DPCM, ADPCM, DM, ADM

• Source encoding, TDM and FDM, line coding

• ASK, FSK, PSK, QPSK, QAM – Bandwidth, SNR, BER, Error Probability, Eye Diagram

• Bandpass Sampling, Synchronization

• Error control coding, Spread spectrum modulation

UNIT VI: ELECTROMAGNETIC FIELDS AND ANTENNAS

• Theorems: Divergence, Stokes, Coulomb

• Poisson and Laplace Equation, Ampere’s law, Biot-Savart law, Gauss law

• Maxwell’s equations, Displacement current

• Uniform plane waves: Polarization, reflection, refraction

• Poynting vector

• Transmission line: equations, impedance, matching, Smith chart

• Attenuators, Equalizers, Lattice diagram

• TE, TM, TEM waves, Rectangular and Circular guides, Dielectric wave guides

• Cavity resonator, Q factor

• Antennas: Dipole, Horn, Reflector, Slot, Spiral, Log-periodic, Microstrip

• Arrays: Broadside, End fire, Adaptive

• Antenna parameters: Gain, radiation pattern, polarization, VSWR

• Radiowave propagation

UNIT VII: COMMUNICATION SYSTEMS

• Wireless: Link budget, channel characteristics, fading types

• FDMA, TDMA, CDMA, Capacity, Frequency reuse

• Channel assignment, Handoff, Trunking, Grade of service

• Modulations: MSK, GMSK, OFDM, cyclic prefix, PAPR

• Adaptive equalization, Diversity, Rake receiver

• MIMO, Beamforming, Fading and non-fading channels

• Microwave signal generation: Klystron, Magnetron, TWT, GUNN, IMPATT, TRAPATT

• Microwave components: Coupler, T-junction, Isolator, Circulator, Iris, Probe

• Microwave transistors: Stability, Measurements

• Optical fibers: Ray/mode theory, structure, materials, attenuation, dispersion

• Optical sources: LED, LASER; Detectors: PIN, Avalanche

• WDM, Optical networks

• Satellite: Orbits, Kepler’s laws, Geostationary, transponders, GPS, DBS/DTH

• OSI/TCP/IP model, Protocols, Routing, Congestion control, MAC

UNIT VIII: DIGITAL SIGNAL AND IMAGE PROCESSING

• DFT, FFT, Overlap-save methods

• Filters: Butterworth, Chebyshev

• Design methods: impulse invariant, bilinear

• Realizations, FIR design

• Quantization, Limit cycles, Scaling

• Decimation, Interpolation, Multirate

• Image parameters: Brightness, Contrast, Hue, Saturation

• Color models: RGB, HSI

• Mach band effect, Sampling, DCT

• Image enhancement: Histogram equalization, Mean/Median filters

• Segmentation: Region growing

• JPEG standard

UNIT IX: VLSI AND EMBEDDED SYSTEMS

• CMOS inverter, Combinational logic, Elmore’s constant

• Pass transistor logic, Power dissipation

• Registers: Static and dynamic, Clocking strategies

• Synchronous and Asynchronous Circuits

• Adders, Multipliers

• PLA, PAL, FPGA

• Microprocessors: 8085, 8086, 8051 – Architecture, Instruction set, Programming

• Microprocessor-based systems

• ARM processors: Architecture, multitasking, multiprocessing

• Scheduling, Power optimization

• Communication protocols: I2C, CAN bus

UNIT X: COMPUTER ENGINEERING

• Number systems, Boolean algebra, K-map

• Logic gates, Adders, Magnitude comparator

• Decoder, Encoder, Mux, Demux

• Flip-flops, Counters, Shift registers

• Synchronous and Asynchronous sequential circuits

• Memories: ROM, EPROM, EEPROM

• Computer architecture: Fundamentals, Data path, Control unit

• Memory: RAM, Optical, Cache, Virtual

• Memory management: Allocation, Associative memory, DMA

• Interrupts, RISC and CISC

Computer Science (UG Degree Standard)

UNIT - I: MATHEMATICALFOUNDATIONS

• Propositional logic

• Sets, relations, functions

• Partial orders and lattices

• Regular and context-free languages

• Finite state machines and pushdown automata

UNIT - II: COMPUTER ORGANIZATION

• Functional organization

• Machine instructions and addressing modes

• Introduction to microprocessors: 8085 / 8086

• DMA and interrupt priority

• I/O processors and bus scheduling issues

• Microcomputer memory and virtual memory

• Page replacement algorithms

• Cache memory and associative memory

• Parallel processing basics

• Pipelined processors and multiprocessors

UNIT - III : DATA STRUCTURES IN C

• Data types, control statements, procedures

• Scope rules, arrays, records, enumerated data types, sets

• Pointers and recursion

• File operations: sequential, indexed

• Sorting and merging, report generation

• Data structures: arrays, queues, linked lists, stacks, trees

• Postfix expression evaluation

• Sorting algorithms: bubble sort, quick sort, heap sort

• Algorithm complexity

UNIT - IV: SYSTEMS SOFTWARE

• Editors, loaders, linkers, assemblers

• Compiler phases: lexical analyzer, parser, symbol table, code generation

• OS concepts: batch, multiprogramming, time sharing

• Memory, device, file management

• Virtual memory and process scheduling

• IPC, I/O redirection

• Synchronization and concurrency

• Deadlocks: prevention, avoidance, detection, recovery

• Auxiliary storage management

• File system hierarchy

UNIT - V: DATABASE SYSTEMS

• File organization and indexing

• Relational and network data models

• ORACLE RDBMS

• Data dictionary

• Normalization

• Query languages

UNIT - VI: COMPUTER NETWORKS

• Data communication fundamentals

• LAN evolution and concepts

• OSI 7-layer model and design issues

• Physical layer: transmission media, switching techniques

• Topologies

• Data link layer: token passing, sliding window

• Protocol specification and verification

• Network layer: routing, congestion control

• Transport, session, presentation, and application layers

• File transfer, email

UNIT - VII: SOFTWARE ENGINEERING

• System analysis and detailed analysis

• Feasibility study

• System design tools: input/output design

• Module and program design

• Structured programming, testing, documentation

• System development life cycle

• Role of system analyst

• Office automation tools: word processing, spreadsheets, statistical packages

• Applications in government, defence, agriculture, medicine, education

UNIT - VIII: COMPUTER GRAPHICS

• Point plotting and line drawing techniques

• 2D displays, clipping, windowing

• Graphics packages and display files

• Geometric models and picture structure

• Graphical input units and techniques

• Raster graphics fundamentals

• Solid area scan conversion

• Interactive raster graphics

• Raster display systems and hardware

• 2D and 3D transformations

UNIT - IX: OBJECT ORIENTED PROGRAMMING (C++ & JAVA)

• Basics of C++ and Java

• Data types, loops, conditions

• Branching, logical operators, functions

• Classes, objects, operator overloading

• Function conversions, dynamic memory

• Inheritance, I/O, files

• OOP benefits and tools

UNIT - X: WEB TECHNOLOGIES

• WWW: browsing, addresses, browsers, bookmarks, navigation

• Search engines and directories

• Email: composing, reading, replying, deleting, attachments

• HTML: page structure, text formatting, hyperlinks, images

• Lists, tables, forms, frames

Civil Engineering (Degree Standard)

UNIT I: BUILDING MATERIALS AND CONSTRUCTION PRACTICES

• Properties of engineering materials: bricks, stones, aggregates, cement (types and grades), concrete (mix design), admixtures, self-compacting concrete, steel, new materials

• Construction methods: stone masonry, brick masonry, RCC, block masonry

• Construction equipment

• Building bye-laws and development regulations (Tamil Nadu)

• Provisions for fire safety, lighting, ventilation, and acoustics

UNIT II: ENGINEERING SURVEY

• Area computation

• Chain, compass, plane table surveys

• Levelling: fly levelling, longitudinal section (L.S.), cross section (C.S.), contour volumes

• Theodolite surveying, traversing, height and distance measurement

• Geodetic observations

• Tacheometry and triangulation

• Use of EDM, GPS, and remote sensing

UNIT III: STRENGTH OF MATERIALS

• Stress and strain, thermal stress

• Elastic constants

• Bending moment and shear force

• Simple bending theory, deflection of beams

• Torsion and combined stresses

• Stresses on inclined planes

• Principal stresses and planes

• Theories of failure

• Plane truss analysis

UNIT IV: STRUCTURAL ANALYSIS

• Indeterminate beams

• Stiffness and flexibility methods

• Slope deflection and moment distribution methods

• Arches and suspension cables

• Column theory

• Moving loads, influence lines

• Matrix method

• Retaining wall stability

• Plastic theory

UNIT V: GEOTECHNICAL ENGINEERING

• Soil formation, types, classification

• Field identification and physical properties

• Three-phase diagram

• Permeability and stress distribution

• Consolidation theory

• Shear strength parameters

• Soil compaction

• Soil exploration and sampling, borelog profile

• Shallow foundations, Terzaghi's theory

• Pile foundations, group action, and settlement

UNIT VI: ENVIRONMENTAL ENGINEERING AND POLLUTION CONTROL

• Water sources and groundwater hydraulics

• Water characteristics and analysis

• Water treatment, waterborne diseases

• Sewerage systems: design, appurtenances, pumping

• Sewage treatment and disposal

• Industrial waste treatment

• Solid waste, air, water, and noise pollution control

• E-waste management

UNIT VII: DESIGN OF RCC, PSC AND STEEL STRUCTURES

• RCC design: limit state and working stress methods

• Design of slabs (one-way, two-way, flat), beams, flanged sections

• Columns and footings

• Prestressing: systems, methods, post-tensioning

• PSC design for flexure

• Steel design: tension/compression members, bolted/welded connections, trusses, columns, beams, plate girders, gantry girders

UNIT VIII: HYDRAULICS AND WATER RESOURCES ENGINEERING

• Hydrostatics

• Bernoulli's and momentum equations

• Flow measurements and kinematics

• Tamil Nadu water resources

• Planning, flood control, runoff estimation, hydrographs, flood routing

• Soil-plant-water relationship, irrigation needs

• Irrigation methods, canal and headworks design

• Waterlogging and land reclamation

• Cross drainage works

UNIT IX: URBAN AND TRANSPORTATION ENGINEERING

• Urbanization trends and impacts

• Slum clearance and improvement programs

• Transport modes and characteristics

• Highway design: geometry, bituminous and concrete road construction and maintenance

• Railways: permanent way components, signalling, interlocking, train control

• Airports: planning, components, site selection, runways, terminals

• Harbours and ports: layout, docks, breakwaters

UNIT X: PROJECT MANAGEMENT AND ESTIMATING

• Construction planning and management

• Scheduling, monitoring, cost and quality control

• Network analysis: CPM, PERT

• Resource planning and management

• Types of estimates

• Technical specifications and tender documents

• Building valuation

• Laws related to contracts and arbitration

Electrical Engineering (Degree Standard)

UNIT I: ELECTRICAL CIRCUITS

• Circuit elements, Kirchhoff’s laws

• Mesh and Nodal analysis

• Network theorems: Thevenin, Norton, Superposition, Maximum Power Transfer

• Sinusoidal steady-state analysis: RL, RC, RLC circuits

• Resonance: series and parallel

• Natural and forced response

• Transient response of RL, RC, RLC circuits

• Two-port networks

• Three-phase circuits

UNIT II: ELECTRIC AND MAGNETIC FIELDS

• Coulomb’s law, electric field intensity, electric flux density

• Gauss’s law, divergence

• Electric field and potential due to point, line, plane, spherical charges

• Dielectric effects, capacitance of simple configurations

• Magnetic circuits: MMF, reluctance

• Faraday’s and Lenz’s laws

• Biot–Savart’s and Ampere’s laws

• Fleming’s rules, Lorentz force

• Inductance: self and mutual

• Dot convention, coupled circuits

UNIT III: MEASUREMENTS AND INSTRUMENTATION

• Units, standards, static/dynamic characteristics

• Error types and analysis

• Measurements: current, voltage, power, PF, energy

• Indicating instruments

• Resistance, inductance, capacitance, frequency measurements

• Bridge methods, instrument transformers

• Electronic instruments: multimeters, RMS meters, spectrum analyzers, power quality analyzers

• Recording instruments: X-Y, magnetic, digital recorders

• Oscilloscopes, LED/LCD displays

• Transducers for temperature, pressure, flow, displacement, acceleration, noise

• Data acquisition: A/D, D/A converters, transmission systems

UNIT IV: CONTROL SYSTEMS

• Mathematical modelling and transfer functions

• Block diagrams, signal flow graphs (Mason’s rule)

• LTI system analysis: time and frequency domain

• Error analysis, feedback stability

• Routh-Hurwitz, Bode, Nyquist plots

• Root locus, gain/phase margins

• Compensators: PI, PD, PID

• State variable approach

• Sampled data systems and stability

UNIT V: ELECTRICAL MACHINES

• DC Machines: construction, excitation, commutation, performance, speed control, testing

• Transformers: construction, testing, equivalent circuit, efficiency, regulation, parallel operation, 3-phase, auto

• Induction Machines: operation, characteristics, equivalent circuit, testing, starting, speed control, single-phase, linear, hysteresis, reluctance motors

• Synchronous Machines: construction, performance, voltage regulation, parallel operation, V/inverted-V curves, power factor improvement

• BLDC motors

UNIT VI: POWER SYSTEMS

• Single line diagrams, per unit system

• Power generation: hydro, thermal, nuclear, pumped storage, cogeneration

• Transmission line/cable modelling, HVDC, mechanical design (sag, insulators)

• Bus admittance/impedance matrices (Ybus, Zbus)

• Load flow analysis, compensation techniques

• Fault analysis (symmetrical, unsymmetrical)

• Stability: transient, steady-state, equal area criterion

• Voltage/frequency control, transients

• Protection: circuit breakers, relays

• AC and DC distribution

UNIT VII: ANALOG AND DIGITAL ELECTRONICS

• Semiconductor devices: PN, Zener, photodiodes, FETs, BJTs

• Rectifiers, regulators, multipliers

• Amplifiers: small/large signal, multistage, push-pull, feedback

• Oscillators, op-amps, precision rectifiers

• Multivibrators, VCOs, timers

• Logic gates, logic families: DTL, TTL, ECL, MOS, CMOS

• Combinational/sequential logic: latches, flip-flops, counters, registers

• Memories: ROM, PLA, FPGA

UNIT VIII: POWER ELECTRONICS AND DRIVES

• Power devices: diode, DIAC, SCR, TRIAC, GTO, MOSFET, IGBT

• Characteristics and operation

• Converters: AC–DC (rectifiers), AC–AC, DC–DC, inverters

• PWM: sinusoidal modulation

• UPS, SMPS

• Motor drives: DC/AC speed control, VSD applications

UNIT IX: DIGITAL PROCESSORS AND COMMUNICATION

• Processors: 8085, 8086, 8051 – architecture, instruction sets, assembly

• I/O interfacing: 8255, 8253, 8279, 8257

• Embedded systems: ARM, PIC (basics)

• Signals: classification, DFT properties, FFT

• Filters: FIR, IIR (Butterworth, Chebyshev)

• Communication: PCM, ADM, FDM, TDM

• OSI 7-layer model, data communication topologies

UNIT X: RENEWABLE ENERGY SOURCES AND STORAGE

• Renewable sources and characteristics

• Solar: radiation spectrum, measurement, photovoltaic operation

• Micro-hydel: principles

• Wind: sources, data, site selection, generator types

• Storage: fuel cells, batteries, supercapacitors

TNPSC Mechanical / Production / Manufacturing Engineering (Degree Standard)

UNIT – I: Mechanics, Kinetics and Dynamics

Statics of Particles, Equilibrium of Rigid Bodies, Properties of Surfaces and Solids, Dynamics of Particles, Friction and Elements of Rigid Body Dynamics, Basics of Mechanisms, Kinematics of Mechanisms, Gyroscope, Gears and Gear Trains, Friction in Machine Elements, Force Analysis, Balancing, Single Degree Free Vibration, Forced Vibration, Mechanisms for Control and Vibration.

UNIT – II: Strength of Materials and Design

Stress, Strain and Deformation of Solids, Transverse Loading on Beams and Stresses in Beams, Torsion, Deflection of Beams, Energy Principles, Thin Cylinders and Thick Cylinders, Spherical Shells, Fundamentals of Design for Strength and Stiffness of Machine Members, Design of Shafts and Couplings, Design of Fasteners and Welded Joints, Design of Springs, Design of Bearings, Design of Flywheels, Design of Transmission Systems for Flexible Elements, Spur Gears, Parallel Axis Helical Gears, Bevel Gears, Worm Gears, Crossed Helical Gears, Design of Single and Two Stage Speed Reducers, Design of Cam, Clutches and Brakes.

UNIT – III: Fluid Mechanics and Turbo Machinery

Fluid Properties, Fluid Statics, Manometry, Buoyancy, Control Volume Analysis of Mass, Momentum and Energy, Fluid Acceleration, Differential Equations of Continuity and Momentum, Bernoulli’s Equation, Viscous Flow of Incompressible Fluids, Boundary Layer, Elementary Turbulent Flow, Flow Through Pipes, Head Losses in Pipes and Bends.

Turbomachinery: Pelton Wheel, Francis and Kaplan Turbines – Impulse and Reaction Principles – Velocity Diagrams.

UNIT – IV: Thermodynamics

Basic Concepts, Zeroth, First and Second Laws of Thermodynamics, Thermodynamic System and Processes, Carnot Cycle, Irreversibility and Availability, Behaviour of Ideal and Real Gases, Thermodynamic Relations, Properties of Pure Substances, Calculation of Work and Heat in Ideal Processes, Analysis of Thermodynamic Cycles Related to Energy Conversion, Fuel and Combustion.

UNIT – V: Heat and Mass Transfer

Modes of Heat Transfer, One-Dimensional Heat Conduction, Resistance Concept, Electrical Analogy, Unsteady Heat Conduction, Fins, Dimensionless Parameters in Free and Forced Convective Heat Transfer, Correlations for Heat Transfer in Flow over Flat Plates and Through Pipes, Thermal Boundary Layer, Effect of Turbulence, Radiative Heat Transfer – Black and Grey Surfaces, Shape Factors, Network Analysis, Heat Exchanger Performance, LMTD and NTU Methods.

Basic Concepts of Mass Transfer, Diffusion Mass Transfer, Fick’s Law, Steady State Molecular Diffusion, Convective Mass Transfer, Heat and Mass Transfer Analogy, Convective Mass Transfer Correlations.

Applications: Steam Tables, Rankine and Brayton Cycles (with Regeneration and Reheat), Otto and Diesel Cycles, Vapour Refrigeration Cycle, Heat Pumps, Gas Refrigeration, Reverse Brayton Cycle, Psychrometric Chart and Processes.

UNIT – VI: Materials Science and Metallurgy

Constitution of Alloys, Phase Diagrams, Steels, Cast Iron, TTT Diagram, Heat Treatment of Ferrous and Non-Ferrous Metals, Surface Modification Techniques, Non-Metallic Materials, Mechanical Properties and Testing, Crystal Defects and Strengthening Mechanisms, Conducting and Semi-Conducting Materials, Magnetic and Dielectric Materials, Engineering Ceramics, Polymers, and Composites.

UNIT – VII: Production Technology

Foundry Technology: Pattern, Moulding and Casting Methods, Design of Castings, Defects.
Metal Forming: Hot and Cold Working, Types and Defects.
Metal Joining: Welding Processes, Weldment Design, Welding Metallurgy, Defects.
Metal Cutting: Machine Tools – Lathe, Drilling, Milling, Grinding, Gear Cutting, Broaching.
Unconventional Machining, CNC Machines, Part Programming.

UNIT – VIII: Metrology and Quality Control

Linear and Angular Measurement, Interferometry, Laser Interferometers, Computer Aided Inspection, CMM – Types, Machine Vision, Form Measurement – Straightness, Flatness, Roundness, Surface Finish (Contact and Non-contact Methods), Measurement of Power, Flow and Temperature.

Statistical Quality Control, Control Charts, Acceptance Sampling, Reliability, TQM, 5S, ISO Standards.

UNIT – IX: CAD / CAM / CIM / FEA

Computer Graphics Fundamentals, Geometric Modeling, Visual Realism, Assembly of Parts, CAD Standards.
CIM, Production Planning and Control, Computerized Process Planning, Cellular and Flexible Manufacturing Systems, AGVS, Robotics, Additive Manufacturing, JIT, Lean Manufacturing.
FEA: One and Two-Dimensional Problems (Scalar and Vector Variable), Isometric Parametric Formulation.

UNIT – X: Industrial Engineering and Management

Work Study – Method Study and Work Measurement.
Machine Loading, Scheduling, Product Sequencing.
Inventory Control: EOQ, Discounts, ABC Analysis.
Material Handling Systems.
Operations Research: Simplex, Transportation, Assignment.
Project Management: CPM and PERT.