TNEB Assistant Engineer 2021 Exam Notification announced on Feb 2020 for EE, EC, IN, ME, CE & CS department engineering graduates. Due to COVID19 – Pandemic situation, TNEB AE Exam is postponed. TANGEDCO Assistant Engineer Exam is expected soon

TNEB AE EXAM Selection Process:

  • Online Exam
  • Document Verification

About TNEB AE Exam:

The competitive Online exam shall be conducted by TANGEDCO/ TNPSC or any other agency as decided by the competent authority at that time of events. The tentative list of eligible candidates (i.e., from the list of candidates who have appeared for the exam) will be called in the ratio of 1:1 for certificate verification as per the marks obtained by the candidates in the Competitive written/ Online Exam and as per Communal roster.

Online Examination CBT:

The question paper for ONLINE EXAMINATION (Computer-based test) will be of Objective type in the Engineering standard. For Electrical Engineering it will be in English and for Mechanical and Civil it will be in English as well as Tamil.

Subject (Online Examination)DurationMaximum Marks
Part-I Engineering Mathematics (Common to all Candidates)
Part-II Basic Engineering & Sciences (Common to all Candidates)2 Hours100
Part-III ( Subject/Stream oriented)

Question & Evaluation Scheme:

NoTypeNo. of QuestionsNo.of alternative answers Max mark for a correct answer Max marks Negative mark for every wrong answer
1Part I2041201/3
2Part II2041201/3
3Part III6041601/3

Admit Card :

Candidates Before Going To Exam Center Premises, He/She Should Have A valid Print Out Of E – Admit Card. Without The Admit Card There Will Be No Entrance In The Exam Center.

The Admit Will Be Available In Online Mode. No, Admit card Will Be Available In Offline Mode.

Strategy to prepare for TNEB_AE Exam : Tips by Ms.Archana, Gateforum Trichy Alumni : LISTEN TO HER 



ENGINEERING MATHEMATICS (Common to all Candidates)

i) Determinants and Matrices: Solving system of equations – Rank of the Matrix – Eigenvalues and eigenvectors – Reduction of quadratic form to canonical form.

ii) Calculus and Differential Equations: Partial derivatives – Jacobians – Taylor’s expansion – Maxima and Minima. Linear ordinary differential equations with constant coefficients – Simultaneous first order linear equations with constant coefficients. Formation of partial differential equation (PDE) – Solution of first order PDE – Solution of linear higher order PDE with constant coefficients.

iii) Vector Calculus: Double and triple integrations and their applications – Gradient,  Divergence, Curl and Laplacian – Green’s, Gauss divergence and Stroke’s theorem.

iv) Functions of Complex Variables and Complex Integration : Analytic functions – Conformal Mapping – Bilinear transformation – Cauchy’s integral theorem and integral  formula – Taylor and Laurent Series – Singularities – Residues – Residue theorem and  its applications.

v) Transforms: Laplace Transform – Inverse transforms – Application to solution of linear ordinary differential equations with constant coefficients. Fourier integral theorem  – Fourier transform pair – Sine and Cosine transforms. -transform – Inverse Z–  transform – Solution of difference equations using Z– transform.

vi) Numerical Methods: Solution of linear system by direct and iterative methods – Interpolation and approximation – Numerical Differentiation and Integration – Solving Ordinary Differential Equations.

vii) Applied Probability: Probability and Random variables – Standard Discrete and  Continuous distribution – Moments – Moment generating function and their properties.  Two-Dimensional Random Variables – Covariance – Correlation and Regression

TNEB_AE Mr.Ajey Vignesh’s Feedback about Gateforum Trichy : LISTEN TO HIM


BASIC ENGINEERING & SCIENCES (Common to all Candidates)

i) Applied Mechanics : Law of Mechanics – Lame’s theorem – Forces, Moments and Couples – Displacement, velocity and Acceleration – Friction – Moment of Inertia.

ii) Mechanical Engineering : Laws of thermodynamics – Open and closed systems – Equation of state – Heat and Work.

iii) Physics : Sound – Latices – Ultrasonic flaw detector – X-ray radiography –  Interference Fringes – Planck’s quantum theory – Laser and Fibre Optics.

iv) Material Science : Fracture – Magnetic and Dielectric materials – Conductor and Semi conductor materials – Ceramic and Super conductor materials.

v) Civil Engineering : Fluid Statics and Dynamics – Boundary Layer – Pumps and Turbines – Environmental Pollution.

vi) Electrical Engineering : Ohm’s law – Kirchoff’s law – A.C. circuits – D.C. machines  – Transformers – Synchronous machines – Instrumentation

vii) Computers : Computer organisation – Architecture – Arrays – Pointers – User  defined function – C program.

viii) Chemistry : Adsorption – Chromatography – Chemical kinetics – Electrochemistry  – Spectroscopy – Fuels and Combustion.



i) Structural Engineering :

Mechanics: Stress-Strain Relationships – Principal stresses  and Principal strain in two dimension and three dimension. Composite Bars  – Composite Beams – Elastic Constants. Beams and Bending – Shear Force  and Bending Moment Diagrams – Flexural and Shear Stresses. Slope and  Deflection of Beams. Thin and Thick Cylinders. Torsion. Theories of Failure  – Unsymmetrical Bending – Curved Beams – Theories of Columns. Combined  Direct and Bending Stresses.

Structural Analysis: Static and Kinematic Indeterminancy – Energy Principles –  Deflection of pin jointed plane frames – rigid frames. Classical Method of Analysis of  indeterminate structures (Slope deflection and Moment Distribution) – Matrix Method.  Arches and Suspension Bridges – Influence Line for Determinate and Indeterminate  Structures. Plastic Analysis of Structures.

Building Materials: Cement – Concrete – properties of ingredients- Mix Design- Quality  Control- Special Concrete – Concreting Methods- Brick – Brick Masonry – Stone –  Timber – Steel.

Concrete Structures: Design Methods – Limit State Design for beams, slabs, columns  and footings – retaining walls – Water Tanks. Prestressed Concrete – Principles –  Methods – Losses – Deflection – Design.

Steel Structures: Steel Sections – Connections – Design of Tension and Compression  Members – Beams, Column Bases – Plate Girders and Trusses.

ii) Soil Mechanics and Foundation Engineering : Soil Mechanics: Nature of soil – phase relationships – Soil classification; Soil water – static pressure – effective stress principle; permeability – seepage; Stress distribution in soil – Consolidation (Terzaghi’s  one dimension consolidation theory); Compaction shear strength of soil – Mohr –  Coulomb theory – determination of shear strength by different methods; Slope stability  analysis – protection measures.

Foundation Engineering: Site investigation – scope and objectives – drilling            techniques – depth and spacing of boreholes – sampling Techniques – penetration tests (SPT and  SCPT) – plate load test – selection of foundation; Foundation types – shallow  foundation – bearing capacity (Terzaghis Theory and BIS formula) – allowable bearing  pressure – bearing capacity from field tests – settlement of foundation – allowable  settlement – Codal provisions; Design of foundations – Isolated, combined and foundation; Pile foundations – static and dynamic pile driving formulae (Engineering  News and Hiley method) – Pile groups – capacity and settlement – Codal provisions –  pile load test – negative friction on piles; Earth pressure theories – Earth pressure on  retaining walls – stability analysis of retaining wall.

iii) Transportation Engineering : Highway Planning: Road Classification, Geometric  Design of Highways, Construction of Earth, WBM, Bituminous and concrete roads,  Design of flexible and rigid pavements. Drainage of roads, maintenance of roads.  Railways, Airways, Docks and Harbour Planning: Railway alignment, components of  permanent way, geometric design Airport planning, components of airport, site  selection, planning for terminal building, runways. Harbour planning, components of  harbour, inland water transport.

Traffic Engineering: Traffic characteristics, Traffic surveys, Traffic Signals, Road  markings and signs.

iv) Water Resources Engineering : Fluid Mechanics and Hydraulics: Properties of Fluid statics and relative equilibrium. Basic concepts of fluid flow – kinematics and  dynamics. Concept of system and control volume application to continuity, momentum  and energy equations. Dimensional analysis and model studies. Laminar and turbulent  flow through pipes. Boundary layers. Steady uniform and gradually varied flow in open  channels. Rapidly varied flows. Turbines and pumps and positive displacement pumps.

Hydrology and Ground Water: Hydrometeorology. Hydrologic cycle. Precipitation and its  measurements. Abstractions. Runoff estimation. Hydrograph analysis. Unit Hydrograph.  Hydrologic extremes floods and droughts. Rainwater harvesting. Properties of aquifer.  Groundwater development. GEC norms. Well hydraulics. Steady and unsteady flows.  Ground water quality.

 Irrigation Engineering: Irrigation system. National water policy. Components of irrigation  network. Design of lined and unlined channels. Waterways, head works, gravity dams  and spillways. Design of weirs on permeable foundation. Soil water relations. Crop  water requirements. Irrigation scheduling and methods. Duty, delta and base period.  Irrigation water quality. Irrigation water management. Participatory approach.

v) Environmental Engineering : Water and Waste water Engineering: Water requirements; water demand, quality standards; Development of water supply source,  conveyance system; basic unit processes and operations for water treatment; water  distribution; sewage characteristics; sewage treatment, primary and secondary  treatment of sewage, sludge disposal, sewage disposal.

Air Pollution and Control: Types of pollutants, their sources and impacts, air pollution  meteorology, air pollution control, air quality standards and limits.

 Noise Pollution and Control: Impacts of noise, permissible limits of noise pollution,  measurement of noise and control of noise pollution.

vi) Surveying: Surveying: Chain survey-traversing-plotting: compasses-bearings – plane table-leveling-bench marks-temporary and permanent adjustments-reduction:  contouring and volumes-theodolites – Gale’s table-lay out – setting out works-curve  ranging-mine surveying-techeometric survey triangulation- base line corrections trigonometric  leveling – errors and sources-classification of errors equation level nets astronomical  survey-practical astronomy-photogrammetry-EDM hydrographic survey river.

Electronic survey- infrared EDM-microwave system-modern positioning systems –  trilateration.


i) Mechanics : 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 Linkage Mechanisms, Kinematics of Cam  Mechanisms, Gears and Gear Trains, Friction, Force Analysis, Balancing and Vibration.

ii) Strength of Materials and Design : Stress, Strain and Deformation of Solids, Transverse Loading on Beams and Stresses in Beams, Deflection of Beams, Energy Principles, Thin cylinders and spherical resells Torsion – Fundamentals of Design for  Strength and Stiffness of Machine Members, Design of Shafts and Couplings, Design of  Fasteners and Welded Joints, Design of Springs and Engine Parts, Design of Engine  parts, Bearings and Flywheels, Design of Transmission Systems for Flexible Elements,  Spur Gears and Parallel Axis Helical Gears, Bevel, Worm Gears and Crossed Helical  Gears, Design of Gear Boxes, Design of Cam, Clutches and Brakes.

iii) Material Science and Metallurgy : Constitution of Alloys and Phase Diagrams,  Heat Treatment, Ferrous and Non ferrous Metals, Non-Metallic Materials, Mechanical  Properties and Testing, Crystal Defects and Strengthening of Materials Conducting and  6  Semiconducting Materials, Magnetic and Dielectric Materials, Nuclear Physics,  Superconducting and New Engineering Materials.

iv) Thermodynamics: Basic Concepts and First Law, Second Law, Entropy and Availability, Properties of Steam, Psychrometry, Ideal and Real Gases and Thermodynamic Relations, Fuels and Combustion, – Gas Power Cycles, Stream  Turbines, Internal Combustion Engines, Internal Combustion Engines Testing and  Performance, Gas Turbines, – Steam Nozzle, Air Compressor, Refrigeration and Air-  Conditioning, Boilers, Cogeneration and Waste Heat Recovery.

v) Heat Transfer: Conduction, Phase Change Heat Transfer and Heat Exchangers, Radiation, Mass Transfer- Refrigeration Cycle, Refrigerants, System Components and Balancing, Psychrometry, Air Conditioning Systems, Unconventional Refrigeration

vi) Production Technology : Foundry Technology, Hot & Cold Working, Forging, Advances in Forming Process, Principles and Applications of Joining Processes, Theory of Metal Cutting, Centre Lathe and special Purpose Lathes, Reciprocating Machines,  Milling Machines and Gear Cutting, Abrasive Process, Broaching, CNC Machine Tools  and Part Programming.

vii) Automotive Engines : Engine Construction and Operation, SI Engine Fuel System,  Cooling and Lubrication System, Combustion and Combustion Chambers, Two Stroke  Engines, Diesel Engine Basic Theory, Fuel Injection System, Air Motion, Combustion  and Combustion Chambers, Supercharging and Turbocharging, Diesel Engine Testing  and Performance.


i) Electrical Circuits and Fields : KCL, KVL, Nodal & Mesh analysis, transient response of D.C and A.C networks; sinusoidal steady-state analysis; resonance in electrical circuits; concepts of ideal voltage and current sources, network theorems,  driving point admittance and transfer functions of two port network, three phase circuits;  Fourier series and its application; Gauss theorem, electric field intensity and potential  due to point, line, plane and spherical charge distribution, dielectric, capacitance  7  calculations for simple configurations; Ampere’s and Biot-Savart’s law, inductance  calculations for simple configurations.

ii) Electrical machines : Single phase transformer-equivalent circuit, phasor diagram, tests, regulation and efficiency; three phase transformer-connections; auto transformer; principles of energy conversion, windings of rotating machines: D.C generators and  motors-characteristics, starting and speed control, armature reaction and commutation;  three phase induction motors-performance characteristics, starting and speed control;  single-phase induction motors; synchronous generators- performance, regulation;  synchronous motors-starting characteristics, applications, synchronous condensers;  fractional horse power motors; permanent magnet and stepper motors.

 iii) Power Systems : Electric power generation – thermal, hydro, nuclear; transmission  line parameters; steady-state performance of overhead transmission lines and cables  and surge propagation; distribution system, insulators, bundle conductors, corona and  radio interferences effects; per-unit quantities; bus admittance and impedence matrices;  load flow; voltage control and power factor correction; economic operation; symmetrical  components, analysis of symmetrical and unsymmetrical faults; principle of over current,  differential and distance protections; concepts and solid state relays and digital  protection; circuit breakers; principles of system stability-swing curves and equal area  criterion

iv) Control systems : Principles of feedback; transfer function; block diagram; steadystate errors; stability- Routh and Nyquist criteria; Bode plots; compensation; root loci; elementary state variable formulation; state transition matrix and response for Linear  time Invariant systems.

v) Power Electronics and Drives : Semiconductor power devices-diodes, transistors, thyristors, triacs, GTO, MOSFETs and IGBTs-static characteristic and principles of operation; triggering circuits; phase control rectifiers; bridge converters-fully controlled  and half controlled; principles of choppers and inverters, basic concepts of adjustable  speed dc and ac drives.

vi) Digital Electronics : Digital Logic Theory: Number systems-Combinational logic circuits-Minimisation of Boolean functions-IC families-Arithmetic circuits, Multiplexer & decoders-Sequential circuits-Flip flops, counters, shift registers, Schmitt trigger, timers  and multivibrators.

Microprocessor : General 8 bit microprocessor Architcture-8085, 8086 processor –  Architecture, Memory, I/O interfacing, Instruction set, Addressing modes, Timing  diagram & delays, Machine cycles, Interrupts, counters, Assembly language  programming.

Microcontrollers: 8 bit microcontroller – 8051 architecture, bus configuration, Instruction  sets, programming & applications.

vii) Digital Signal Processing : Analog signals-sampling & Aliasing-Discrete time  signals & systems- LTI systems- Convolution sum-Difference equation representation-Z  Transform & its Inverse-Discrete Fourier series & Fourier transform-Radix 2 FFT –  Decimation in me and frequency- Inverse DFT using FFT-Analog Butterworth &  Chebyshev filter design-IIR & FIR filter design and Realisation.

viii) Computer Control of Processes, Networks : State models and state equationscontrollability  & observability-pole assignment-discrete data system – state space  representation-stability-data hold, Z & modified Z transform – Pulse transfer functionprogrammable  logic controllers.  Data networks-switching OSI, Data link control, Media access protocol-BISYNC, SDLC,  HDLC, CSMA/CD, TCP/IPBridges, routers, gateways, Ethernet and Arcnet  configuration.

ix) Communication Engineering : Modulation and demodulation systems – Types of transmission lines – losses – standing waves – Ground wave and space wave propagation – Digital communication concepts – Data Communication codes, serial and  parallel interface – Network protocol – Types of satellites – Advantages of optical fibre


i). Circuit Analysis: DC Circuit analysis, Thevenin’s and Norton’s equivalent circuits,  Sinusoidal steady state analysis, Transient and resonance in RLC circuits.

Electronic Devices: Diodes, Bipolar Junction Transistors, FET, MOSFET, UJT,  Thyristor.

Electronic Circuits: Small signal amplifiers using BJT and FET devices, Large signal  amplifiers, Power supplies, Feed back amplifiers, Oscillators, Pulse shaping circuits.

Digital Electronics: Logic gates, Combinational circuits, Sequential circuits.

Linear Integrated Circuits: Operational amplifiers and its applications, PLL, Voltage  regulators, A/D and D/A converters.

Measurements and Instrumentation: Transducers, Digital Instruments, Display and  Recording systems. Microprocessor and its applications: Microprocessors-8085 and  8086 architectures and interfaces, Micro-controller and applications.

ii). Electromagnetic Fields: Static Electric and Magnetic fields, Time varying Electric  and Magnetic fields, Maxwell equations. Transmission Lines and Networks:  Transmission line equations, impedance matching, Filters.

EM waves and waveguides: Guided waves, Rectangular and cylindrical waveguides.

Antennas and Propagation: Aperture antennas, arrays, Propagation of radio waves.

Microwave Engineering: Microwave tubes, semiconductor devices, Passive  components, Microwave measurements.

iii). Communication Theory and Systems: AM, FM and PM, Sampling and  Quantisation, PCM, DM, ADM, Multiplexing.

Digital Communication: Base band signaling, Band pass signaling, Error control  coding, Spread spectrum techniques.

Computer Communication Networks: Definition of layers, data link protocols,  Network interconnection. Message routing technologies, End-End protocols.

Optical Communication: Optical Fibers, optical transmitters and receivers.

  iv). Signals and Systems: Continuous time signals and systems-Fourier Transform,  Laplace transform, Discrete time signals and systems-DTFT, DFT, Z-Transform.

Digital Signal Processing: IIR and FIR filters, Realisation and implementation,  Quantisation effects.

Control Systems: Transfer function, Time and frequency response analysis, Stability  analysis, state variable analysis


i) Applied Probability And Operations Research : Random Processes, Probability Distributions, Queuing Models and Simulation, Testing of Hypothesis, Design of

ii) Discrete Mathematical Structures : Formal Language and Automata – Graph

iii) Compiler Design : Optimisation – Code Generation – Implementation – Principles  of Programming Languages – Programming Paradigms.

iv) Operating Systems And System Software : Process Management, Storage Management, I/O Systems, Design and Implementation of LINUX OS, assemblers,  Loaders, Linkers, Macro Processors.

v) Distributed Systems : Communication and Distributed Environment, Distributed Operating Systems, Distributed Shared Memory, Protocols, Fault Tolerance and Distributed File Systems, Distributed Object Based Systems.

vi) Programming And Data Structures : Problem Solving Techniques, Trees, Hashing and Priority Queues, Sorting, Graph, Heap Search.

vii) Algorithm Analysis And Design Techniques : Dynamic Programming, Greedy  Algorithms, Advanced Algorithms, NP Completeness and Approximation Algorithms.

  viii) Microprocessors And Microcontrollers – Computer Architecture And  Organisation : Digital Fundamentals, Combinational Circuits, Synchronous and  Asynchronous Sequential Circuits, Instruction Set Architecture(RISC,CISC,ALU Design), Instruction Level Parallelism, Processing Unit and Pipelining, Memory  Organisation.

ix) Digital Signal Processing : FFT, Filter Design.

x) Computer Networks : Data Communication Systems, Applications.

xi) Database Management Systems : Relational Model, Database Design, Implementation Techniques, Distributed Databases, Object Oriented Databases, Object Relational Databases, Data Mining and Data Warehousing.

xii) Software Engineering Methodologies : Software Product and Processes –  Software Requirements Management – Requirement Engineering, Elicitation, Analysis,  Requirements Development and Validation, Requirements Testing – Object Oriented  Analysis And Design – Modular Design, Architectural Design, User Interface Design,  Real Time Software Design, System Design, Data acquisition System – Software  Testing And Quality Assurance – SQA Fundamentals, Quality Standards, Quality  Metrics, Software Testing Principles, Defects, Test Case Design Strategies, Software  Quality and reusability, Software Project Management, Software Cost Estimation,  Function Point Models, Software Configuration Management, Software Maintenance.

xiii) Artificial Intelligence : Intelligent Agents, Search Strategies, Knowledge  Representation, Learning, Applications.

xiv) Mobile Computing : Wireless Communication Fundamentals, Telecommunication  Systems, Wireless Networks.

xv) Security In Computing : Program Security, Security in Operating Systems, Database and Network Security, Scientific Computing, Information Coding Techniques, Cryptography, Network Security.


i) Measurements: Units & Standards, Calibration methods, Systematic and random errors in measurement, propagation of errors, static & dynamic characteristics of PMMC, MI and dynamometer type instruments. Bridges for measurement  of R, L and C. Measurement of voltage, current and power in single and three phase  circuits, time, phase and frequency measurements, digital voltmeter, digital multi-meter.  Oscilloscope, shielding and grounding.

ii) Analog Electronics: Characteristics and applications of diode, Zener diode, BJT and Small signal analysis of transistor circuits, feedback amplifiers,  Characteristics of operational amplifiers and applications of opamps:- difference  amplifier, adder, subtractor, integrator, differentiator, instrumentation amplifier, precision  rectifier and active filters. Oscillators, signal generators, voltage controlled oscillators and phase locked loop.

 iii) Digital Electronics : Combinational logic circuits, minimization of Boolean functions.  IC families:- TTL and CMOS. Arithmetic circuits, comparators, Schmitt trigger, multi-vibrators,  sequential circuits, flip-flops, shift registers, timers and counters, sample and hold  circuit, multiplexer, analog-to-digital (successive approximation, integrating, flash  and sigma-delta) and digital-to-analog converters (weighted R and R-2R ladder),  Characteristics of ADC and DAC (resolution, quantization, significant bits,  conversion/settling time). Basics of number systems, 8-bit microprocessor and  microcontroller:- applications, memory and input-output interfacing, basics of data  acquisition systems.

iv) Industrial Instrumentation & Analytical Instrumentation : Transducers for industrial instrumentation:- displacement (linear and angular), velocity, acceleration,  force, torque, vibration, shock, pressure (including low pressure), flow (differential  pressure, variable area, electromagnetic, ultrasonic, turbine and open channel flow  meters) temperature (thermocouple, bolometer, RTD (3/4 wire), thermistor, pyrometer  and semiconductor); liquid level and viscosity measurement. Smart Transmitters  (HART/Foundation Fieldbus enabled Transmitters). pH and conductivity meters,  Chromatography, NMR & X-ray Spectroscopy.  

v) Control Systems and Industrial Data Communication: Laplace, Fourier and transforms, DFT and FFT, Basics of IIR and FIR filters. Feedback principles, signal flow graphs, transient response, steady-state-errors, Bode plot, Routh and Nyquist  criteria, root loci and state-space representation of systems. Design of lead, lag and lead-lag compensators, on-off, P, P-I, P-I-D, cascade, feed-forward, and ratio  Distributed Control System, PLC & SCADA. Basics of Industrial data Communication & Internet of Things.

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