The Indian Engineering Services (IES) Examination is conducted by the Union Public Service Commission (UPSC) for recruitment to the IES, comprising of Group - A Services / Posts and Group - B Services / Posts in Categories I to IV.
Recruitment on the results of IES exam are done under the following categories:
Category I – Civil Engineering
Category II – Mechanical Engineering
Category III – Electrical Engineering
Category IV – Electronics & Telecommunication Engineering
Tentative Schedule for IES
Notification of Examination January/February
Conduct of Examination June/July
Click here for details of current exam.
CATEGORY I - CIVIL ENGINEERING
Group A Services/Posts
(i) Indian Railway Service of Engineers.
(ii) Indian Railway Stores Service (Civil Engineering Posts).
(iii) Central Engineering Service.
(iv) Indian Defense Service of Engineers (Civil Engineering Posts).
(v) Central Water Engineering (Gr. 'A') Service (Civil Engineering Posts).
(vi) Central Engineering Service (Roads) Group-A (Civil Engineering Posts).
(vii) Assistant Executive Engineer (Civil) in the Border Roads Engineering Service, (Gr. 'A')
(viii) Survey of India Service (Gr. 'A') (Civil Engineering Posts).
(ix) Assistant Executive Engineer (Civil) in P&T Building Works (Gr.'A') Service.
CATEGORY II - MECHANICAL ENGINEERING
Group A Services/Posts
(i) Indian Railway Service of MECHANICAL Engineers.
(ii) Indian Railway Stores Service (Mechanical Engineering Posts).
(iii) Central Water Engineering (Gr. 'A') Service (Mechanical Engineering Posts).
(iv) Central Power Engineering Service (Mechanical Engineering Posts).
(v) Indian Ordinance Factories Service.
(vi) Indian Naval Armament Service (Mechanical Engineering Posts).
(vii) Assistant Executive Engineer Group 'A' (Mechanical Engineering Posts) in the Corps of EME, Ministry of Defence.
(viii) Assistant Naval Store officer Grade I (Mechanical Engineering Posts) in Indian Navy.
(ix) Central Electrical & Mechanical Engineering Service (Mechanical Engineering Posts) (x) Assistant Executive Engineer (Electrical & Mechanical) (Mechanical Engineering Posts) in Boarder Roads Engineering Service, Group 'A'
(xi) Drilling Engineer (Junior) (Grade A) in the Geological Survey of India.
(xii) Indian Inspection Service, Gr.'A' (Mechanical Engineering Posts).
(xiii) Indian Supply Service, Gr.'A' (Mechanical Engineering Posts).
(xiv) Indian Defense Service of Engineers (Mechanical Engineering Posts).
CATEGORY III - ELECTRICAL ENGINEERING
Group A Services/Posts
(i) Indian Railway Service of Electrical Engineers.
(ii) Indian Railway Stores Service (Electrical Engineering Posts).
(iii) Central Electrical & Mechanical Engineering Service (Electrical Engineering Posts).
(iv) Indian Naval Armament Service (Electrical Engineering Posts).
(v) Central Power Engineering Service (Electrical Engineering Posts).
(vi) Indian Defense Service of Engineers (Electrical Engineering Posts).
(vii) Assistant Executive Engineer Group A (Electrical Engineering Posts) in the Corps of E.M.E, Ministry of Defence.
(viii) Assistant Naval Store officer Grade I (Electrical Engineering Posts) in Indian Navy.
(ix) Indian Inspection Service, Gr.'A' (Electrical Engineering Posts).
(x) Indian Supply Service, Gr.'A' (Electrical Engineering Posts).
CATEGORY IV - ELECTRONICS AND TELECOMMUNICATION ENGINEERING
Group A Services/Posts
(i) Indian Railway Service of Signal Engineers.
(ii) Indian Railway Stores Service (Tele-communication/Electronics Engineering Posts).
(iii) Indian Ordnance Factories Service (Engineering Branch) (Electronics Engineering Posts).
(iv) Indian Naval Armament Service (Electronics Engineering Posts).
(v) Central Power Engineering Service (Electronics & Telecommunication Engineering Posts)
(vi) Assistant Executive Engineer Group ‘A’ (Electronics & Telecommunication Engineering Posts) in the Corps of E.M.E., Ministry of Defence.
(vii) Engineer (GCS-Gr."A") in Wireless Planning and Coordination Wing/Monitoring Organisation; M/o Communication and Information Technology (D/o Telecommunication)
(viii) Assistant Naval Stores officer Grade I (Electronics & Telecom Engineering Posts) in Indian Navy.
(ix) Survey of India Service (Gr. 'A') (Electronics & Telecom Engineering Posts).
(x) Indian Inspection Service, Gr.'A' (Electronics & Telecom Engineering Posts).
(xi) Indian Supply Service, Gr.'A' (Electronics & Telecom Engineering Posts).
IES Eligibility
Nationality
To be eligible for IES a candidate must be either:
A candidate in whose case a certificate of eligibility is necessary, may be admitted to the examination but the offer of appointment may be given only after the necessary eligibility certificate has been issued by the Government of India.
Age Limit for IES
21-30 years as on 1.8.2008
Age limit is relaxed for various categories. Click here for age relaxation deatils.
Minimum Education Qualification required for IES exam
To appear for the IES examination, a candidate must have:
M.Sc. degree or its equivalent with Wireless Communication, Electronics, Radio Physics or Radio Engineering as a special subject.
NOTE-1—A candidate who has appeared at an examination the passing of which would render him educationally qualified for this examination, but has not been informed of the result, may apply for admission to the examination. A candidate who intends to appear at such a qualifying examination may also apply. Such candidates will be admitted to the examination, if otherwise eligible, but their admission would be deemed to be provisional and subject to cancellation, if they do not produce proof of having passed the requisite qualifying examination along with the detailed applications which will be required to be submitted by the candidates who qualify on the result of written part of the examination.
NOTE-2—In exceptional cases, the Commission may treat a candidate, who has not any of the qualifications prescribed in this rule, as educationally qualified provided that he has passed examinations conducted by other institutions the standard of which in the opinion of the Commission justifies his admission to the examination.
NOTE-3—A candidate who is otherwise qualified but who has taken a degree from a foreign University which is not recognized by Government, may also apply to the Commission and may be admitted to the examination at the discretion of the Commission.
To be eligible for IES a candidate must be either:
- a citizen of India, or
- a subject of Nepal, or
- a subject of Bhutan, or
- a Tibetan refugee who came over to Indian before the 1st January, 1962 with the intention of permanently settling in India, or
- a person of Indian origin who has migrated from Pakistan, Burma, Sri Lanka or East African countries of Kenya, Uganda, the United Republic of Tanzania, Zambia, Malawi, Zaire and Ethiopia or from Vietnam with the intention of permanently settling in India.
A candidate in whose case a certificate of eligibility is necessary, may be admitted to the examination but the offer of appointment may be given only after the necessary eligibility certificate has been issued by the Government of India.
Age Limit for IES
21-30 years as on 1.8.2008
Age limit is relaxed for various categories. Click here for age relaxation deatils.
Minimum Education Qualification required for IES exam
To appear for the IES examination, a candidate must have:
- obtained a degree in Engineering from a University incorporated by an Act of the Central or State Legislature in India or other Educational Institutions established by an Act of Parliament or declared to be deemed as Universities under Section 3 of the University Grants Commission Act, 1956; or
- Passed Section A and B of the Institution Examinations of the Institution of Engineers (India); or
- Obtained a degree/diploma in Engineering from such foreign University/College/Institution and under such conditions as may be recognised by the Government for the purpose from time to time, or
- Passed Graduate Membership Examination of the Institute of Electronics and Telecommunication Engineers (India); or
- Passed Associate Membership Examination Parts II and III/Sections A and B of the Aeronautical Society of India; or
- Passed Graduate Membership Examination of the Institution of Electronics and Radio Engineers, London held after November, 1959.
M.Sc. degree or its equivalent with Wireless Communication, Electronics, Radio Physics or Radio Engineering as a special subject.
NOTE-1—A candidate who has appeared at an examination the passing of which would render him educationally qualified for this examination, but has not been informed of the result, may apply for admission to the examination. A candidate who intends to appear at such a qualifying examination may also apply. Such candidates will be admitted to the examination, if otherwise eligible, but their admission would be deemed to be provisional and subject to cancellation, if they do not produce proof of having passed the requisite qualifying examination along with the detailed applications which will be required to be submitted by the candidates who qualify on the result of written part of the examination.
NOTE-2—In exceptional cases, the Commission may treat a candidate, who has not any of the qualifications prescribed in this rule, as educationally qualified provided that he has passed examinations conducted by other institutions the standard of which in the opinion of the Commission justifies his admission to the examination.
NOTE-3—A candidate who is otherwise qualified but who has taken a degree from a foreign University which is not recognized by Government, may also apply to the Commission and may be admitted to the examination at the discretion of the Commission.
How to Apply and Important Dates for IES 2009
How to Apply for IES
The UPSC have developed an application form common for all their examination which will be processed on computerised machines. This application form along with an Information Brochure containing general instructions for filling up the form, an acknowledgement card and an envelope for sending the application is obtainable from the designated Head Post Offices/Post Offices throughout the country against cash payment of Rs. 20/- (Rupees twenty only). Form should be purchased from the designated Post Offices only. Photocopy of form will not be accepted.
The duly filled in application form and the acknowledgement card should then be mailed in the special envelope supplied with the Information Brochure. The candidate should also write the name of Examination viz. " Engineering Services Examination, 2009" on the envelope before despatching it to "Secretary, Union Public Service Commission, Dholpur House, New Delhi-110069".
Important Dates for IES 2009
Date of Notification: 03 Jan 2009
Last date of receipt of Applications: 02 Feb 2009 / Monday
Date/Day of commencement of IES exam: 6 June 2009 / Saturday
Duration of IES Examination: 3 Days
The UPSC have developed an application form common for all their examination which will be processed on computerised machines. This application form along with an Information Brochure containing general instructions for filling up the form, an acknowledgement card and an envelope for sending the application is obtainable from the designated Head Post Offices/Post Offices throughout the country against cash payment of Rs. 20/- (Rupees twenty only). Form should be purchased from the designated Post Offices only. Photocopy of form will not be accepted.
The duly filled in application form and the acknowledgement card should then be mailed in the special envelope supplied with the Information Brochure. The candidate should also write the name of Examination viz. " Engineering Services Examination, 2009" on the envelope before despatching it to "Secretary, Union Public Service Commission, Dholpur House, New Delhi-110069".
Important Dates for IES 2009
Date of Notification: 03 Jan 2009
Last date of receipt of Applications: 02 Feb 2009 / Monday
Date/Day of commencement of IES exam: 6 June 2009 / Saturday
Duration of IES Examination: 3 Days
IES Exam Pattern
The IES EXAMINATION will be conducted according to the following pattern:-
In the Personality Test of IES, special attention will be paid to assessing the candidate’s capacity for leadership, initiative and intellectual curiosity, tact and other social qualities, mental and physical energy, powers of practical application and integrity of character.
- Part I—The written examination will comprise two sections— Section I consisting only of objective types of questions and Section II of conventional papers. Both Sections will cover the entire syllabus of the relevant engineering disciplines viz. Civil Engineering, Mechanical Engineering, Electrical Engineering and Electronics & Telecommunication Engineering. The details of the written examination i.e. subject, duration and maximum marks allotted to each subject are given in table below.
Note: There will be penalty (Negative Marking) for wrong answers marked by a candidate in the Objective Type Question Papers. - Part II—Personality test carrying a maximum of 200 marks of such of the candidates who qualify on the basis of the written examination.
| Category | Section | Subject | Duration | Maximum Marks |
| I- CIVIL ENGINEERING | I—Objective Papers | General Ability Test Part A: General English Part B: General Studies | 2 hrs | 200 |
| Civil Engineering Paper I | 2 hrs | 200 | ||
| Civil Engineering Paper II | 2 hrs | 200 | ||
| II--Conventional Papers | Civil Engineering Paper I | 3 hrs | 200 | |
| Civil Engineering Paper II | 3 hrs | 200 | ||
| TOTAL | 1000 | |||
| II- MECHANICAL ENGINEERING | I—Objective Papers | General Ability Test (Part A: General English) (Part B: General Studies) | 2 hrs | 200 |
| Mechanical Engineering Paper I | 2 hrs | 200 | ||
| Mechanical Engineering Paper II | 2 hrs | 200 | ||
| II--Conventional Papers | Mechanical Engineering Paper I | 3 hrs | 200 | |
| Mechanical Engineering Paper II | 3 hrs | 200 | ||
| TOTAL | 1000 | |||
| III- ELECTRICAL ENGINEERING | I—Objective Papers | General Ability Test (Part A: General English) (Part B: General Studies) | 2 hrs | 200 |
| Electrical Engineering Paper I | 2 hrs | 200 | ||
| Electrical Engineering Paper II | 2 hrs | 200 | ||
| II- Conventional Papers | Electrical Engineering Paper I | 3 hrs | 200 | |
| Electrical Engineering Paper II | 3 hrs | 200 | ||
| TOTAL | 1000 | |||
| IV - ELECTRONICS & TELECOM ENGINEERING | I—Objective Papers | General Ability Test (Part A: General English) Part B: General Studies) | 2 hrs | 200 |
| Electronics & Telecommunication Engineering Paper I | 2 hrs | 200 | ||
| Electronics & Telecommunication Engineering Paper II | 2 hrs | 200 | ||
| II- Conventional Papers | Electronics & Telecommunication Engineering Paper I | 3 hrs | 200 | |
| Electronics & Telecommunication Engineering Paper II | 3 hrs | 200 | ||
| TOTAL | 1000 | |||
In the Personality Test of IES, special attention will be paid to assessing the candidate’s capacity for leadership, initiative and intellectual curiosity, tact and other social qualities, mental and physical energy, powers of practical application and integrity of character.
IES 2008 Syllabus
Syllabus IES 2008 General Ability Test
General Ability(Objective)
Part A: General English. The question paper in General English will be designed to test the candidate’s understanding of English and workmanlike use of words.
Part B: General Studies: The paper in General Studies will include knowledge of current events and of such matters as of everyday observation and experience in their scientific aspects as may be expected of an educated person. The paper will also include questions on History of India and Geography of a nature which candidates should be able to answer without special study.
IES 2008 Electrical Engineering (Paper I)
EM Theory
Electric and magnetic fields. Gauss’s Law and Amperes Law. Fields in dielectrics, conductors and magnetic materials. Maxwell’s equations. Time varying fields. Plane-Wave propagating in dielectric and conducting media. Transmission lines.
Electrical Materials
Band Theory, Conductors, Semi-conductors and Insulators. Super-conductivity. Insulators for electrical and electronic applications. Magnetic materials. Ferro and ferri magnetism. Ceramics, Properties and applications. Hall effect and its applications. Special semi conductors.
Electrical Circuits
Circuits elements. Kirchoff’s Laws. Mesh and nodal analysis. Network Theorems and applications. Natural response and forced response. Transient response and steady state response for arbitrary inputs. Properties of networks in terms of poles and zeros. Transfer function. Resonant circuits. Threephase circuits. Two-port networks. Elements of two-element network synthesis.
Measurements and Instrumentation
Units and Standards. Error analysis, measurement of current, Voltage, power, Power-factor and energy. Indicating instruments. Measurement of resistance, inductance, Capacitance and frequency. Bridge measurements. Electronic measuring instruments. Digital Voltmeter and frequency counter. Transducers and their applications to the measurement of non-electrical quantities like temperature, pressure, flow-rate displacement, acceleration, noise level etc. Data acquisition systems. A/D and D/A converters.
Control Systems
Mathematical modelling of physical systems. Block diagrams and signal flow graphs and their reduction. Time domain and frequency domain analysis of linear dynamical system. Errors for different type of inputs and stability criteria for feedback systems. Stability analysis using Routh-Hurwitz array, Nyquist plot and Bode plot. Root locus and Nicols chart and the estimation of gain and phase margin. Basic concepts of compensator design. State variable matrix and its use in system modelling and design. Sampled data system and performance of such a system with the samples in the error channel. Stability of sampled data system. Elements of non-linear control analysis. Control system components, electromechanical, hydraulic, pneumatic components.
IES 2008 Electrical Engineering (Paper II)
Electrical Machines and Power Transformers
Magnetic Circuits - Analysis and Design of Power transformers. Construction and testing. Equivalent circuits. Losses and efficiency. Regulation. Auto-transformer, 3-phase transformer. Parallel operation.
Basic concepts in rotating machines- EMF, torque, basic machine types. Construction and operation, leakage losses and efficiency.
B.C. Machines- Construction, Excitation methods. Circuit models. Armature reaction and commutation. Characteristics and performance analysis. Generators and motors. Starting and speed control. Testing, Losses and efficiency. Synchronous Machines- Construction. Circuit model. Operating characteristics and performance analysis. Synchronous reactance. Efficiency. Voltage regulation. Salient-pole machine, Parallel operation. Hunting. Short circuit transients.
Induction Machines- Construction. Principle of operation. Rotating fields. Characteristics and performance analysis. Determination of circuit model. Circle diagram. Starting and speed control.
Fractional KW motors. Single-phase synchronous and induction motors.
Power systems
Types of Power Stations, Hydro, Thermal and Nuclear Stations. Pumped storage plants. Economics and operating factors.
Power transmission lines- Modeling and performance characteristics. Voltage control. Load flow studies. Optimal power system operation. Load frequency control. Symmetrical short circuit analysis. ZBus formulation. Symmetrical Components. Per Unit representation. Fault analysis. Transient and steady-state stability of power systems. Equal area criterion.
Power system Transients- Power system Protection Circuit breakers. Relays. HVDC transmission.
Analog and Digital Electronics and Circuits
Semiconductor device physics, PN junctions and transistors, circuit models and parameters, FET, Zener, tunnel, Schottky, photo diodes and their applications, rectifier circuits, voltage regulators and multipliers, switching behavior of diodes and transistors.
Small signal amplifiers, biasing circuits, frequency response and improvement, multistage amplifiers and feed-back amplifiers, D.C. amplifiers, Oscillators. Large signal amplifiers, coupling methods, push pull amplifiers, operational amplifiers, wave shaping circuits. Multivibrators and flip-flops and their applications. Digital logic gate families, universal gates-combination circuits for arithmetic and logic operational, sequential logic circuits. Counters, registers, RAM and ROMs.
Microprocessors
Microprocessor architecture-Instruction set and simple assembly language programming. Interfacing for memory and I/O. Applications of Micro-processors in power system.
Communication Systems
Types of modulation; AM, FM and PM. Demodulators. Noise and bandwidth considerations. Digital communication systems. Pulse code modulation and demodulation. Elements of sound and vision broadcasting. Carrier communication. Frequency division and time division multiplexing, Telemetry system in power engineering.
Power Electronics
Power Semiconductor devices Thyristor. Power transistor, GTOs and MOSFETS. Characteristics and operation. AC to DC Converters; 1-phase and 3-phase DC to DC Converters; AC regulators. Thyristor controlled reactors; switched capacitor networks.
Inverters; single-phase and 3-phase Pulse width modulation. Sinusoidal modulation with uniform sampling. Switched mode power supplies.
IES 2008 Electronics & Communication Engineering(Paper I)
Materials and Components
Structure and properties of Electrical Engineering materials; Conductors, Semiconductors and Insulators, magnetic, Ferroelectric, Piezoelectric, Ceramic, Optical and Super-conducting materials. Passive components and characteristics Resistors, Capacitors and Inductors; Ferrites, Quartz crystal Ceramic resonators, Electromagnetic and Electromechanical components.
Physical Electronics, Electron Devices and ICs
Electrons and holes in semiconductors, Carrier Statistics, Mechanism of current flow in a semiconductor, Hall effect; Junction theory; Different types of diodes and their characteristics; Bipolar Junction transistor; Field effect transistors; Power switching devices like SCRs, GTOs, power MOSFETS; Basics of ICs - bipolar, MOS and CMOS types; basic of Opto Electronics.
Signals and Systems
Classification of signals and systems: System modelling in terms of differential and difference equations; State variable representation; Fourier series; Fourier transforms and their application to system analysis; Laplace transforms and their application to system analysis; Convolution and superposition integrals and their applications; Z-transforms and their applications to the analysis and characterisation of discrete time systems; Random signals and probability, Correlation functions; Spectral density; Response of linear system to random inputs.
Network theory
Network analysis techniques; Network theorems, transient response, steady state sinusoidal response; Network graphs and their applications in network analysis; Tellegen’s theorem. Two port networks; Z, Y, h and transmission parameters. Combination of two ports, analysis of common two ports. Network functions : parts of network functions, obtaining a network function from a given part. Transmission criteria : delay and rise time, Elmore’s and other definitions effect of cascading. Elements of network synthesis.
Electromagnetic Theory
Analysis of electrostatic and magnetostatic fields; Laplace’s and Poisson’s equations; Boundary value problems and their solutions; Maxwell’s equations; application to wave propagation in bounded and unbounded media; Transmission lines : basic theory, standing waves, matching applications, microstrip lines; Basics of wave guides and resonators; Elements of antenna theory.
Electronic Measurements and instrumentation
Basic concepts, standards and error analysis; Measurements of basic electrical quantities and parameters; Electronic measuring instruments and their principles of working : analog and digital, comparison, characteristics, application. Transducers; Electronic measurements of non electrical quantities like temperature, pressure, humidity etc; basics of telemetry for industrial use.
IES 2008 Electronics & Communication Engineering(Paper II)
Analog Electronic Circuits
Transistor biasing and stabilization. Small signal analysis. Power amplifiers. Frequency response. Wide banding techniques. Feedback amplifiers. Tuned amplifiers. Oscillators. Rectifiers and power supplies. Op Amp, PLL, other linear integrated circuits and applications. Pulse shaping circuits and waveform generators.
Digital Electronic Circuits
Transistor as a switching element; Boolean algebra, simplification of Boolean functions, Karnaguh map and applications; IC Logic gates and their characteristics; IC logic families : DTL, TTL, ECL, NMOS, PMOS and CMOS gates and their comparison; Combinational logic Circuits; Half adder, Full adder; Digital comparator; Multiplexer Demulti-plexer; ROM an their applications. Flip flops. R-S, J-K, D and T flip-flops; Different types of counters and registers Waveform generators. A/D and D/A converters. Semiconductor memories.
Control Systems
Transient and steady state response of control systems; Effect of feedback on stability and sensitivity; Root locus techniques; Frequency response analysis. Concepts of gain and phase margins: Constant-M and Constant-N Nichol’s Chart; Approximation of transient response from Constant-N Nichol’s Chart; Approximation of transient response from closed loop frequency response; Design of Control Systems, Compensators; Industrial controllers.
Communication Systems
Basic information theory; Modulation and detection in analogue and digital systems; Sampling and data reconstructions; Quantization & coding; Time division and frequency division multiplexing; Equalization; Optical Communication : in free space & fiber optic; Propagation of signals at HF, VHF, UHF and microwave frequency; Satellite Communication.
Microwave Engineering
Microwave Tubes and solid state devices, Microwave generation and amplifiers, Waveguides and other Microwave Components and Circuits, Microstrip circuits, Microwave Antennas, Microwave Measurements, Masers, lasers; Microwave propagation.
Microwave Communication Systems terrestrial and Satellite based.
Computer Engineering
Number Systems. Data representation; Programming; Elements of a high level programming language PASCAL/C; Use of basic data structures; Fundamentals of computer architecture; Processor design; Control unit design; Memory organisation, I/o System Organisation. Microprocessors : Architecture and instruction set of Microprocessors 8085 and 8086, Assembly language Programming. Microprocessor Based system design : typical examples. Personal computers and their typical uses.
IES 2008 Civil Engineering(Paper I)
BUILDING MATERIALS
Timber : Different types and species of structural timber, density-moisture relationship, strength in different directions, defects, influence of defects on permissible stress, preservation, dry and wet rots, codal provisions for design, Plywood.
Bricks : Types, Indian Standard classification, absorption, saturation factor, strength in masonry, influence of morter strength on masonry strength.
Cement : Compounds of, different types, setting times, strength.
Cement Mortar : Ingredients, proportions, water demand, mortars for plastering and masonry.
Concrete : Importance of W/C Ratio, Strength, ingredients including admixtures, workability, testing for strength, elasticity, non-destructive testing, mix design methods.
SOLID MECHANICS
Elastic constants, stress, plane stress, Mohr’s circle of stress, strains, plane strain, Mohr’s circle of strain, combined stress; Elastic theories of failure; Simple bending, shear; Torsion of circular and rectangular sections and simple members.
STRUCTURAL ANALYSIS
Analysis of determinate structures - different methods including graphical methods.
Analysis of indeterminate skeletal frames - moment distribution, slope-deflection, stiffness and force methods, energy methods, Muller-Breslau principle and application.
Plastic analysis of indeterminate beams and simple frames - shape factors.
DESIGN OF STEEL STRUCTURES
Principles of working stress method. Design of connections, simple members, Built-up sections and frames, Design of Industrial roofs. Principles of ultimate load design. Design of simple members and frames.
DESIGN OF CONCRETE AND MASONRY STRUCTURES
Limit state design for bending, shear, axial compression and combined forces. Codal provisions for slabs, beams, walls and footings. Working stress method of design of R.C. members.
Principles of prestressed concrete design, materials, methods of prestressing, losses. Design of simple members and determinate structures. Introductions to prestressing of indeterminate structures.
Design of brick masonry as per I.S. Codes.
CONSTRUCTION PRACTICE, PLANNING AND MANAGEMENT
Concreting Equipment:
Weight Batcher, Mixer, vibrator, batching plant, concrete pump.
Cranes, hoists, lifting equipment.
Earthwork Equipment :
Power shovel, hoe, dozer, dumper, trailers and tractor, rollers, sheep foot rollers, pumps.
Construction, Planning and Management :
Bar chart, linked bar chart, work-break down structures, Activity - on - arrow diagrams. Critical path, probabilistic activity durations; Event-based networks.
PERT network: Time-cost study, crashing; Resource allocation.
IES 2008 Civil Engineering (Paper II)
FLUID MECHANICS, OPEN CHANNEL FLOW, PIPE FLOW
Fluid Properties, Pressure, Thrust, Buoyancy; Flow Kinematics; Integration of flow equations; Flow measurement; Relative motion; Moment of momentum; Viscosity, Boundary layer and Control, Drag, Lift; dimensional Analysis, Modelling; Cavitation; Flow oscillations; Momentum and Energy principles in Open channel flow, Flow controls, Hydraulic jump, Flow sections and properties; Normal flow, Gradually varied flow; Surges; Flow development and losses in pipe flows, Measurements; Siphons; Surges and Water hammer; Delivery of Power Pipe networks.
HYDRAULIC MACHINES AND HYDROPOWER
Centrifugal pumps, types, performance parameters, scaling, pumps in parallel; Reciprocating pumps, air vessels, performance parameters; Hydraulic ram; Hydraulic turbines, types, performance parameters, controls, choice; Power house, classification and layout, storage, pondage, control of supply.
HYDROLOGY
Hydrological cycle, precipitation and related data analyses, PMP, unit and synthetic hydrographs; Evaporation and transpiration; Floods and their management, PMF; Streams and their gauging; River morphology; Routing of floods; Capacity of Reservoirs.
WATER RESOURCES ENGINEERING
Water resources of the globe: Multipurpose uses of Water: Soil-Plant-Water relationships, irrigation systems, water demand assessment; Storages and their yields, ground water yield and well hydraulics; Waterlogging, drainage design; Irrigation revenue; Design of rigid boundary canals, Lacey’s and Tractive force concepts in canal design, lining of canals; Sediment transport in canals; Non-Overflow and overflow sections of gravity dams and their design, Energy dissipators and tailwater rating; Design of headworks, distribution works, falls, cross-drainage works, outlets; River training.
ENVIRONMENTAL ENGINEERING
WATER SUPPLY ENGINEERING
Sources of supply, yields, design of intakes and conductors; Estimation of demand; Water quality standards; Control of Water-borne diseases; Primary and secondary treatment, detailing and maintenance of treatment units; Conveyance and distribution systems of treated water, leakages and control; Rural water supply; Institutional and industrial water supply.
WASTE WATER ENGINEERING:
Urban rain water disposal; Systems of sewage collection and disposal; Design of sewers and sewerage systems; pumping; Characteristics of sewage and its treatment, Disposal of products of sewage treatment, streamflow rejuvenation Institutional and industrial sewage management; Plumbing Systems; Rural and semi-urban sanitation.
SOLID WASTE MANAGEMENT
Sources, classification, collection and disposal; Design and Management of landfills.
AIR AND NOISE POLLUTION AND ECOLOGY
Sources and effects of air pollution, monitoring of air pollution; Noise pollution and standards; Ecological chain and balance, Environmental assessment.
SOIL MECHANICS:
Properties of soils, classification and interrelationship; Compaction behaviour, methods of compaction and their choice; Permeability and seepage, flow nets, Inverted filters; Compressibility and consolidation; Shearing resistance, stresses and failure; soil testing in laboratory and in-situ; Stress path and applications; Earth pressure theories, stress distribution in soil; soil exploration, samplers, load tests, penetration tests.
FOUNDATION ENGINEERING
Types of foundations, Selection criteria, bearing capacity, settlement, laboratory and field tests; Types of piles and their design and layout, Foundations on expansive soils, swelling and its prevention, foundation on swelling soils.
SURVEYING :
Classification of surveys, scales, accuracy; Measurement of distances - direct and indirect methods; optical and electronic devices; Measurement of directions, prismatic compass, local attraction; Theodolites - types; Measurement of elevations - Spirit and trigonometric levelling; Relief representation; Contours; Digital elevation modelling concept; Establishment of control by triangulations and traversing - measurements and adjustment of observations, computation of coordinates; Field astronomy, Concept of global positioning system; Map preparation by plane tabling and by photogrammetry; Remote sensing concepts, map substitutes.
TRANSPORTATION ENGINEERING :
Planning of highway systems, alignment and geometric design, horizontal and vertical curves, grade separation; Materials and construction methods for different surfaces and maintenance: Principles of pavement design; Drainage.
Traffic surveys, Intersections, signalling: Mass transit systems, accessibility, networking.
Tunnelling, alignment, methods of construction, disposal of muck, drainage, lighting and ventilation, traffic control, emergency management.
Planning of railway systems, terminology and designs, relating to gauge, track, controls, transits, rolling stock, tractive power and track modernisation; Maintenance; Appurtenant works; Containerisation.
Harbours - layouts, shipping lanes, anchoring, location identification; Littoral transport with erosion and deposition; sounding methods; Dry and Wet docks, components and operational Tidal data and analyses.
Airports - layout and orientation; Runway and taxiway design and drainage management; Zoning laws; Visual aids and air traffic control; Helipads, hangers, service equipment.
IES 2008 Mechanical Engineering (Paper I)
Thermodynamics, Cycles and IC Engines
Basic concepts, Open and Closed systems. Heat and work. Zeroth, First and Second Law, Application to non-Flow and Flow processes. Entropy, Availability, Irreversibility and Tds relations. Claperyron and real gas equations, Properties of ideal gases and vapours. Standard vapour, Gas power and Refrigeration cycles. Two stage compressor. C-I and S.I. Engines. Pre-ignition, Detonation and Diesel-knock, Fuel injection and Carburation, Supercharging. Turbo-prop and Rocket engines, Engine Cooling, Emission & Control, Flue gas analysis, Measurement of Calorific values. Conventional and Nuclear fuels, Elements of Nuclear power production.
Heat Transfer and Refrigeration and Air-conditioning
Modes of heat transfer. One dimensional steady and unsteady conduction. Composite slab and Equivalent Resistance. Heat dissipation from extended surfaces, Heat exchangers, Overall heat transfer coefficient, Empirical correlations for heat transfer in laminar and turbulent flows and for free and forced Convection, Thermal boundary layer over a flat plate. Fundamentals of diffusive and connective mass transfer, Black body and basic concepts in Radiation, Enclosure theory, Shape factor, Net work analysis. Heat pump and Refrigeration cycles and systems, Refrigerants. Condensers, Evaporates and Expansion devices, Psychrometry, Charts and application to air conditioning, Sensible heating and cooling, Effective temperature, comfort indices, Load calculations, Solar refrigeration, controls, Duct design.
Fluid Mechanics
Properties and classification of fluids, Manometry, forces on immersed surfaces, Center of pressure, Buoyancy, Elements of stability of floating bodies. Kinematics and Dynamics.
Irrotational and incompressible. Inviscid flow. Velocity potential, Pressure field and Forces on immersed bodies. Bernoulli’s equation, Fully developed flow through pipes, Pressure drop calculations, Measurement of flow rate and Pressure drop. Elements of boundary layer theory, Integral approach, Laminar and tubulent flows, Separations. Flow over weirs and notches. Open channel flow, Hydraulic jump. Dimensionless numbers, Dimensional analysis, Similitude and modelling. One-dimensional isentropic flow, Normal shock wave, Flow through convergent - divergent ducts, Oblique shock-wave, Rayleigh and Fanno lines.
Fluid Machinery and Steam Generators
Performance, Operation and control of hydraulic Pump and impulse and reaction Turbines, Specific speed, Classification. Energy transfer, Coupling, Power transmission, Steam generators Fire-tube and water-tube boilers. Flow of steam through Nozzles and Diffusers, Wetness and condensation. Various types of steam and gas Turbines, Velocity diagrams. Partial admission. Reciprocating, Centrifugal and axial flow Compressors, Multistage compression, role of Mach Number, Reheat, Regeneration, Efficiency, Governance.
IES 2008 Mechanical Engineering (Paper II)
Theory of Machines
Kinematic and dynamic analysis of planer mechanisms. Cams. Gears and gear trains. Flywheels. Governors. Balancing of rigid rotors and field balancing. Balancing of single and multicylinder engines, Linear vibration analysis of mechanical systems. Critical speeds and whirling of shafts Automatic controls.
Machine Design
Design of Joints : cotters, keys, splines, welded joints, threaded fasteners, joints formed by interference fits. Design of friction drives : couplings and clutches, belt and chain drives, power screws.
Design of Power transmission systems : gears and gear drives shaft and axle, wire ropes.
Design of bearings : hydrodynamics bearings and rolling element bearings.
Strength of Materials
Stress and strain in two dimensions, Principal stresses and strains, Mohr’s construction, linear elastic materials, isotropy and anisotropy, stress-strain relations, uniaxial loading, thermal stresses. Beams : Bending moment and shear force diagram, bending stresses and deflection of beams. Shear stress distribution. Torsion of shafts, helical springs. Combined stresses, thick-and thin-walled pressure vessels. Struts and columns. Strain energy concepts and theories of failure.
Engineering Materials
Basic concepts on structure of solids. Crystalline maferials. Detects in crystalline materials. Alloys and binary phase diagrams. Structure and properties of common engineering materials. Heat treatment of steels. Plastics, Ceramics and composite materials. Common applications of various materials.
Production Engineering
Metal Forming: Basic Principles of forging, drawing and extrusion; High energy rate forming; Powder metallurgy.
Metal Casting: Die casting, investment casting, Shall Moulding, Centrifugal Casting, Gating & Riser design; melting furnaces.
Fabrication Processes: Principles of Gas, Arc, Shielded arc Welding; Advanced Welding Processes, Weldability: Metallurgy of Welding.
Metal Cutting: Turning, Methods of Screw Production, Drilling, Boring, Milling, Gear Manufacturing, Production of flat surfaces, Grinding & Finishing Processes. Computer Controlled Manufacturing Systems-CNC, DNC, FMS, Automation and Robotics.
Cutting Tools Materials, Tool Geometry, Mechanism of Tool Wear, Tool Life & Machinability; Measurement of cutting forces. Economics of Machining. Unconventional Machining Processes. Jigs and Fixtures. Fits and tolerances, Measurement of surface texture, Comparators Alignment tests and reconditioning of Machine Tools.
Industrial Engineering:
Production Planning and Control : Forecasting - Moving average, exponential smoothing, Operations, scheduling; assembly line balancing, Product development, Break-even analysis, Capacity planning, PERT and CPM.
Control Operations: Inventory control ABC analysis, EOQ model, Materials requirement planning. Job design, Job standards, Work measurement, Quality Management - Quality analysis and control. Operations Research : Linear Programming - Graphical and Simplex methods, Transportation and assignment models. Single server queueing model.
Value Engineering : Value analysis for cost/value.
Elements of Computation
Computer Organisation, Flow charting, Features of Common computer Languages - FORTRAN, d Base III, Lotus 1-2-3, C and elementary Programming.
General Ability(Objective)
Part A: General English. The question paper in General English will be designed to test the candidate’s understanding of English and workmanlike use of words.
Part B: General Studies: The paper in General Studies will include knowledge of current events and of such matters as of everyday observation and experience in their scientific aspects as may be expected of an educated person. The paper will also include questions on History of India and Geography of a nature which candidates should be able to answer without special study.
IES 2008 Electrical Engineering (Paper I)
EM Theory
Electric and magnetic fields. Gauss’s Law and Amperes Law. Fields in dielectrics, conductors and magnetic materials. Maxwell’s equations. Time varying fields. Plane-Wave propagating in dielectric and conducting media. Transmission lines.
Electrical Materials
Band Theory, Conductors, Semi-conductors and Insulators. Super-conductivity. Insulators for electrical and electronic applications. Magnetic materials. Ferro and ferri magnetism. Ceramics, Properties and applications. Hall effect and its applications. Special semi conductors.
Electrical Circuits
Circuits elements. Kirchoff’s Laws. Mesh and nodal analysis. Network Theorems and applications. Natural response and forced response. Transient response and steady state response for arbitrary inputs. Properties of networks in terms of poles and zeros. Transfer function. Resonant circuits. Threephase circuits. Two-port networks. Elements of two-element network synthesis.
Measurements and Instrumentation
Units and Standards. Error analysis, measurement of current, Voltage, power, Power-factor and energy. Indicating instruments. Measurement of resistance, inductance, Capacitance and frequency. Bridge measurements. Electronic measuring instruments. Digital Voltmeter and frequency counter. Transducers and their applications to the measurement of non-electrical quantities like temperature, pressure, flow-rate displacement, acceleration, noise level etc. Data acquisition systems. A/D and D/A converters.
Control Systems
Mathematical modelling of physical systems. Block diagrams and signal flow graphs and their reduction. Time domain and frequency domain analysis of linear dynamical system. Errors for different type of inputs and stability criteria for feedback systems. Stability analysis using Routh-Hurwitz array, Nyquist plot and Bode plot. Root locus and Nicols chart and the estimation of gain and phase margin. Basic concepts of compensator design. State variable matrix and its use in system modelling and design. Sampled data system and performance of such a system with the samples in the error channel. Stability of sampled data system. Elements of non-linear control analysis. Control system components, electromechanical, hydraulic, pneumatic components.
IES 2008 Electrical Engineering (Paper II)
Electrical Machines and Power Transformers
Magnetic Circuits - Analysis and Design of Power transformers. Construction and testing. Equivalent circuits. Losses and efficiency. Regulation. Auto-transformer, 3-phase transformer. Parallel operation.
Basic concepts in rotating machines- EMF, torque, basic machine types. Construction and operation, leakage losses and efficiency.
B.C. Machines- Construction, Excitation methods. Circuit models. Armature reaction and commutation. Characteristics and performance analysis. Generators and motors. Starting and speed control. Testing, Losses and efficiency. Synchronous Machines- Construction. Circuit model. Operating characteristics and performance analysis. Synchronous reactance. Efficiency. Voltage regulation. Salient-pole machine, Parallel operation. Hunting. Short circuit transients.
Induction Machines- Construction. Principle of operation. Rotating fields. Characteristics and performance analysis. Determination of circuit model. Circle diagram. Starting and speed control.
Fractional KW motors. Single-phase synchronous and induction motors.
Power systems
Types of Power Stations, Hydro, Thermal and Nuclear Stations. Pumped storage plants. Economics and operating factors.
Power transmission lines- Modeling and performance characteristics. Voltage control. Load flow studies. Optimal power system operation. Load frequency control. Symmetrical short circuit analysis. ZBus formulation. Symmetrical Components. Per Unit representation. Fault analysis. Transient and steady-state stability of power systems. Equal area criterion.
Power system Transients- Power system Protection Circuit breakers. Relays. HVDC transmission.
Analog and Digital Electronics and Circuits
Semiconductor device physics, PN junctions and transistors, circuit models and parameters, FET, Zener, tunnel, Schottky, photo diodes and their applications, rectifier circuits, voltage regulators and multipliers, switching behavior of diodes and transistors.
Small signal amplifiers, biasing circuits, frequency response and improvement, multistage amplifiers and feed-back amplifiers, D.C. amplifiers, Oscillators. Large signal amplifiers, coupling methods, push pull amplifiers, operational amplifiers, wave shaping circuits. Multivibrators and flip-flops and their applications. Digital logic gate families, universal gates-combination circuits for arithmetic and logic operational, sequential logic circuits. Counters, registers, RAM and ROMs.
Microprocessors
Microprocessor architecture-Instruction set and simple assembly language programming. Interfacing for memory and I/O. Applications of Micro-processors in power system.
Communication Systems
Types of modulation; AM, FM and PM. Demodulators. Noise and bandwidth considerations. Digital communication systems. Pulse code modulation and demodulation. Elements of sound and vision broadcasting. Carrier communication. Frequency division and time division multiplexing, Telemetry system in power engineering.
Power Electronics
Power Semiconductor devices Thyristor. Power transistor, GTOs and MOSFETS. Characteristics and operation. AC to DC Converters; 1-phase and 3-phase DC to DC Converters; AC regulators. Thyristor controlled reactors; switched capacitor networks.
Inverters; single-phase and 3-phase Pulse width modulation. Sinusoidal modulation with uniform sampling. Switched mode power supplies.
IES 2008 Electronics & Communication Engineering(Paper I)
Materials and Components
Structure and properties of Electrical Engineering materials; Conductors, Semiconductors and Insulators, magnetic, Ferroelectric, Piezoelectric, Ceramic, Optical and Super-conducting materials. Passive components and characteristics Resistors, Capacitors and Inductors; Ferrites, Quartz crystal Ceramic resonators, Electromagnetic and Electromechanical components.
Physical Electronics, Electron Devices and ICs
Electrons and holes in semiconductors, Carrier Statistics, Mechanism of current flow in a semiconductor, Hall effect; Junction theory; Different types of diodes and their characteristics; Bipolar Junction transistor; Field effect transistors; Power switching devices like SCRs, GTOs, power MOSFETS; Basics of ICs - bipolar, MOS and CMOS types; basic of Opto Electronics.
Signals and Systems
Classification of signals and systems: System modelling in terms of differential and difference equations; State variable representation; Fourier series; Fourier transforms and their application to system analysis; Laplace transforms and their application to system analysis; Convolution and superposition integrals and their applications; Z-transforms and their applications to the analysis and characterisation of discrete time systems; Random signals and probability, Correlation functions; Spectral density; Response of linear system to random inputs.
Network theory
Network analysis techniques; Network theorems, transient response, steady state sinusoidal response; Network graphs and their applications in network analysis; Tellegen’s theorem. Two port networks; Z, Y, h and transmission parameters. Combination of two ports, analysis of common two ports. Network functions : parts of network functions, obtaining a network function from a given part. Transmission criteria : delay and rise time, Elmore’s and other definitions effect of cascading. Elements of network synthesis.
Electromagnetic Theory
Analysis of electrostatic and magnetostatic fields; Laplace’s and Poisson’s equations; Boundary value problems and their solutions; Maxwell’s equations; application to wave propagation in bounded and unbounded media; Transmission lines : basic theory, standing waves, matching applications, microstrip lines; Basics of wave guides and resonators; Elements of antenna theory.
Electronic Measurements and instrumentation
Basic concepts, standards and error analysis; Measurements of basic electrical quantities and parameters; Electronic measuring instruments and their principles of working : analog and digital, comparison, characteristics, application. Transducers; Electronic measurements of non electrical quantities like temperature, pressure, humidity etc; basics of telemetry for industrial use.
IES 2008 Electronics & Communication Engineering(Paper II)
Analog Electronic Circuits
Transistor biasing and stabilization. Small signal analysis. Power amplifiers. Frequency response. Wide banding techniques. Feedback amplifiers. Tuned amplifiers. Oscillators. Rectifiers and power supplies. Op Amp, PLL, other linear integrated circuits and applications. Pulse shaping circuits and waveform generators.
Digital Electronic Circuits
Transistor as a switching element; Boolean algebra, simplification of Boolean functions, Karnaguh map and applications; IC Logic gates and their characteristics; IC logic families : DTL, TTL, ECL, NMOS, PMOS and CMOS gates and their comparison; Combinational logic Circuits; Half adder, Full adder; Digital comparator; Multiplexer Demulti-plexer; ROM an their applications. Flip flops. R-S, J-K, D and T flip-flops; Different types of counters and registers Waveform generators. A/D and D/A converters. Semiconductor memories.
Control Systems
Transient and steady state response of control systems; Effect of feedback on stability and sensitivity; Root locus techniques; Frequency response analysis. Concepts of gain and phase margins: Constant-M and Constant-N Nichol’s Chart; Approximation of transient response from Constant-N Nichol’s Chart; Approximation of transient response from closed loop frequency response; Design of Control Systems, Compensators; Industrial controllers.
Communication Systems
Basic information theory; Modulation and detection in analogue and digital systems; Sampling and data reconstructions; Quantization & coding; Time division and frequency division multiplexing; Equalization; Optical Communication : in free space & fiber optic; Propagation of signals at HF, VHF, UHF and microwave frequency; Satellite Communication.
Microwave Engineering
Microwave Tubes and solid state devices, Microwave generation and amplifiers, Waveguides and other Microwave Components and Circuits, Microstrip circuits, Microwave Antennas, Microwave Measurements, Masers, lasers; Microwave propagation.
Microwave Communication Systems terrestrial and Satellite based.
Computer Engineering
Number Systems. Data representation; Programming; Elements of a high level programming language PASCAL/C; Use of basic data structures; Fundamentals of computer architecture; Processor design; Control unit design; Memory organisation, I/o System Organisation. Microprocessors : Architecture and instruction set of Microprocessors 8085 and 8086, Assembly language Programming. Microprocessor Based system design : typical examples. Personal computers and their typical uses.
IES 2008 Civil Engineering(Paper I)
BUILDING MATERIALS
Timber : Different types and species of structural timber, density-moisture relationship, strength in different directions, defects, influence of defects on permissible stress, preservation, dry and wet rots, codal provisions for design, Plywood.
Bricks : Types, Indian Standard classification, absorption, saturation factor, strength in masonry, influence of morter strength on masonry strength.
Cement : Compounds of, different types, setting times, strength.
Cement Mortar : Ingredients, proportions, water demand, mortars for plastering and masonry.
Concrete : Importance of W/C Ratio, Strength, ingredients including admixtures, workability, testing for strength, elasticity, non-destructive testing, mix design methods.
SOLID MECHANICS
Elastic constants, stress, plane stress, Mohr’s circle of stress, strains, plane strain, Mohr’s circle of strain, combined stress; Elastic theories of failure; Simple bending, shear; Torsion of circular and rectangular sections and simple members.
STRUCTURAL ANALYSIS
Analysis of determinate structures - different methods including graphical methods.
Analysis of indeterminate skeletal frames - moment distribution, slope-deflection, stiffness and force methods, energy methods, Muller-Breslau principle and application.
Plastic analysis of indeterminate beams and simple frames - shape factors.
DESIGN OF STEEL STRUCTURES
Principles of working stress method. Design of connections, simple members, Built-up sections and frames, Design of Industrial roofs. Principles of ultimate load design. Design of simple members and frames.
DESIGN OF CONCRETE AND MASONRY STRUCTURES
Limit state design for bending, shear, axial compression and combined forces. Codal provisions for slabs, beams, walls and footings. Working stress method of design of R.C. members.
Principles of prestressed concrete design, materials, methods of prestressing, losses. Design of simple members and determinate structures. Introductions to prestressing of indeterminate structures.
Design of brick masonry as per I.S. Codes.
CONSTRUCTION PRACTICE, PLANNING AND MANAGEMENT
Concreting Equipment:
Weight Batcher, Mixer, vibrator, batching plant, concrete pump.
Cranes, hoists, lifting equipment.
Earthwork Equipment :
Power shovel, hoe, dozer, dumper, trailers and tractor, rollers, sheep foot rollers, pumps.
Construction, Planning and Management :
Bar chart, linked bar chart, work-break down structures, Activity - on - arrow diagrams. Critical path, probabilistic activity durations; Event-based networks.
PERT network: Time-cost study, crashing; Resource allocation.
IES 2008 Civil Engineering (Paper II)
FLUID MECHANICS, OPEN CHANNEL FLOW, PIPE FLOW
Fluid Properties, Pressure, Thrust, Buoyancy; Flow Kinematics; Integration of flow equations; Flow measurement; Relative motion; Moment of momentum; Viscosity, Boundary layer and Control, Drag, Lift; dimensional Analysis, Modelling; Cavitation; Flow oscillations; Momentum and Energy principles in Open channel flow, Flow controls, Hydraulic jump, Flow sections and properties; Normal flow, Gradually varied flow; Surges; Flow development and losses in pipe flows, Measurements; Siphons; Surges and Water hammer; Delivery of Power Pipe networks.
HYDRAULIC MACHINES AND HYDROPOWER
Centrifugal pumps, types, performance parameters, scaling, pumps in parallel; Reciprocating pumps, air vessels, performance parameters; Hydraulic ram; Hydraulic turbines, types, performance parameters, controls, choice; Power house, classification and layout, storage, pondage, control of supply.
HYDROLOGY
Hydrological cycle, precipitation and related data analyses, PMP, unit and synthetic hydrographs; Evaporation and transpiration; Floods and their management, PMF; Streams and their gauging; River morphology; Routing of floods; Capacity of Reservoirs.
WATER RESOURCES ENGINEERING
Water resources of the globe: Multipurpose uses of Water: Soil-Plant-Water relationships, irrigation systems, water demand assessment; Storages and their yields, ground water yield and well hydraulics; Waterlogging, drainage design; Irrigation revenue; Design of rigid boundary canals, Lacey’s and Tractive force concepts in canal design, lining of canals; Sediment transport in canals; Non-Overflow and overflow sections of gravity dams and their design, Energy dissipators and tailwater rating; Design of headworks, distribution works, falls, cross-drainage works, outlets; River training.
ENVIRONMENTAL ENGINEERING
WATER SUPPLY ENGINEERING
Sources of supply, yields, design of intakes and conductors; Estimation of demand; Water quality standards; Control of Water-borne diseases; Primary and secondary treatment, detailing and maintenance of treatment units; Conveyance and distribution systems of treated water, leakages and control; Rural water supply; Institutional and industrial water supply.
WASTE WATER ENGINEERING:
Urban rain water disposal; Systems of sewage collection and disposal; Design of sewers and sewerage systems; pumping; Characteristics of sewage and its treatment, Disposal of products of sewage treatment, streamflow rejuvenation Institutional and industrial sewage management; Plumbing Systems; Rural and semi-urban sanitation.
SOLID WASTE MANAGEMENT
Sources, classification, collection and disposal; Design and Management of landfills.
AIR AND NOISE POLLUTION AND ECOLOGY
Sources and effects of air pollution, monitoring of air pollution; Noise pollution and standards; Ecological chain and balance, Environmental assessment.
SOIL MECHANICS:
Properties of soils, classification and interrelationship; Compaction behaviour, methods of compaction and their choice; Permeability and seepage, flow nets, Inverted filters; Compressibility and consolidation; Shearing resistance, stresses and failure; soil testing in laboratory and in-situ; Stress path and applications; Earth pressure theories, stress distribution in soil; soil exploration, samplers, load tests, penetration tests.
FOUNDATION ENGINEERING
Types of foundations, Selection criteria, bearing capacity, settlement, laboratory and field tests; Types of piles and their design and layout, Foundations on expansive soils, swelling and its prevention, foundation on swelling soils.
SURVEYING :
Classification of surveys, scales, accuracy; Measurement of distances - direct and indirect methods; optical and electronic devices; Measurement of directions, prismatic compass, local attraction; Theodolites - types; Measurement of elevations - Spirit and trigonometric levelling; Relief representation; Contours; Digital elevation modelling concept; Establishment of control by triangulations and traversing - measurements and adjustment of observations, computation of coordinates; Field astronomy, Concept of global positioning system; Map preparation by plane tabling and by photogrammetry; Remote sensing concepts, map substitutes.
TRANSPORTATION ENGINEERING :
Planning of highway systems, alignment and geometric design, horizontal and vertical curves, grade separation; Materials and construction methods for different surfaces and maintenance: Principles of pavement design; Drainage.
Traffic surveys, Intersections, signalling: Mass transit systems, accessibility, networking.
Tunnelling, alignment, methods of construction, disposal of muck, drainage, lighting and ventilation, traffic control, emergency management.
Planning of railway systems, terminology and designs, relating to gauge, track, controls, transits, rolling stock, tractive power and track modernisation; Maintenance; Appurtenant works; Containerisation.
Harbours - layouts, shipping lanes, anchoring, location identification; Littoral transport with erosion and deposition; sounding methods; Dry and Wet docks, components and operational Tidal data and analyses.
Airports - layout and orientation; Runway and taxiway design and drainage management; Zoning laws; Visual aids and air traffic control; Helipads, hangers, service equipment.
IES 2008 Mechanical Engineering (Paper I)
Thermodynamics, Cycles and IC Engines
Basic concepts, Open and Closed systems. Heat and work. Zeroth, First and Second Law, Application to non-Flow and Flow processes. Entropy, Availability, Irreversibility and Tds relations. Claperyron and real gas equations, Properties of ideal gases and vapours. Standard vapour, Gas power and Refrigeration cycles. Two stage compressor. C-I and S.I. Engines. Pre-ignition, Detonation and Diesel-knock, Fuel injection and Carburation, Supercharging. Turbo-prop and Rocket engines, Engine Cooling, Emission & Control, Flue gas analysis, Measurement of Calorific values. Conventional and Nuclear fuels, Elements of Nuclear power production.
Heat Transfer and Refrigeration and Air-conditioning
Modes of heat transfer. One dimensional steady and unsteady conduction. Composite slab and Equivalent Resistance. Heat dissipation from extended surfaces, Heat exchangers, Overall heat transfer coefficient, Empirical correlations for heat transfer in laminar and turbulent flows and for free and forced Convection, Thermal boundary layer over a flat plate. Fundamentals of diffusive and connective mass transfer, Black body and basic concepts in Radiation, Enclosure theory, Shape factor, Net work analysis. Heat pump and Refrigeration cycles and systems, Refrigerants. Condensers, Evaporates and Expansion devices, Psychrometry, Charts and application to air conditioning, Sensible heating and cooling, Effective temperature, comfort indices, Load calculations, Solar refrigeration, controls, Duct design.
Fluid Mechanics
Properties and classification of fluids, Manometry, forces on immersed surfaces, Center of pressure, Buoyancy, Elements of stability of floating bodies. Kinematics and Dynamics.
Irrotational and incompressible. Inviscid flow. Velocity potential, Pressure field and Forces on immersed bodies. Bernoulli’s equation, Fully developed flow through pipes, Pressure drop calculations, Measurement of flow rate and Pressure drop. Elements of boundary layer theory, Integral approach, Laminar and tubulent flows, Separations. Flow over weirs and notches. Open channel flow, Hydraulic jump. Dimensionless numbers, Dimensional analysis, Similitude and modelling. One-dimensional isentropic flow, Normal shock wave, Flow through convergent - divergent ducts, Oblique shock-wave, Rayleigh and Fanno lines.
Fluid Machinery and Steam Generators
Performance, Operation and control of hydraulic Pump and impulse and reaction Turbines, Specific speed, Classification. Energy transfer, Coupling, Power transmission, Steam generators Fire-tube and water-tube boilers. Flow of steam through Nozzles and Diffusers, Wetness and condensation. Various types of steam and gas Turbines, Velocity diagrams. Partial admission. Reciprocating, Centrifugal and axial flow Compressors, Multistage compression, role of Mach Number, Reheat, Regeneration, Efficiency, Governance.
IES 2008 Mechanical Engineering (Paper II)
Theory of Machines
Kinematic and dynamic analysis of planer mechanisms. Cams. Gears and gear trains. Flywheels. Governors. Balancing of rigid rotors and field balancing. Balancing of single and multicylinder engines, Linear vibration analysis of mechanical systems. Critical speeds and whirling of shafts Automatic controls.
Machine Design
Design of Joints : cotters, keys, splines, welded joints, threaded fasteners, joints formed by interference fits. Design of friction drives : couplings and clutches, belt and chain drives, power screws.
Design of Power transmission systems : gears and gear drives shaft and axle, wire ropes.
Design of bearings : hydrodynamics bearings and rolling element bearings.
Strength of Materials
Stress and strain in two dimensions, Principal stresses and strains, Mohr’s construction, linear elastic materials, isotropy and anisotropy, stress-strain relations, uniaxial loading, thermal stresses. Beams : Bending moment and shear force diagram, bending stresses and deflection of beams. Shear stress distribution. Torsion of shafts, helical springs. Combined stresses, thick-and thin-walled pressure vessels. Struts and columns. Strain energy concepts and theories of failure.
Engineering Materials
Basic concepts on structure of solids. Crystalline maferials. Detects in crystalline materials. Alloys and binary phase diagrams. Structure and properties of common engineering materials. Heat treatment of steels. Plastics, Ceramics and composite materials. Common applications of various materials.
Production Engineering
Metal Forming: Basic Principles of forging, drawing and extrusion; High energy rate forming; Powder metallurgy.
Metal Casting: Die casting, investment casting, Shall Moulding, Centrifugal Casting, Gating & Riser design; melting furnaces.
Fabrication Processes: Principles of Gas, Arc, Shielded arc Welding; Advanced Welding Processes, Weldability: Metallurgy of Welding.
Metal Cutting: Turning, Methods of Screw Production, Drilling, Boring, Milling, Gear Manufacturing, Production of flat surfaces, Grinding & Finishing Processes. Computer Controlled Manufacturing Systems-CNC, DNC, FMS, Automation and Robotics.
Cutting Tools Materials, Tool Geometry, Mechanism of Tool Wear, Tool Life & Machinability; Measurement of cutting forces. Economics of Machining. Unconventional Machining Processes. Jigs and Fixtures. Fits and tolerances, Measurement of surface texture, Comparators Alignment tests and reconditioning of Machine Tools.
Industrial Engineering:
Production Planning and Control : Forecasting - Moving average, exponential smoothing, Operations, scheduling; assembly line balancing, Product development, Break-even analysis, Capacity planning, PERT and CPM.
Control Operations: Inventory control ABC analysis, EOQ model, Materials requirement planning. Job design, Job standards, Work measurement, Quality Management - Quality analysis and control. Operations Research : Linear Programming - Graphical and Simplex methods, Transportation and assignment models. Single server queueing model.
Value Engineering : Value analysis for cost/value.
Elements of Computation
Computer Organisation, Flow charting, Features of Common computer Languages - FORTRAN, d Base III, Lotus 1-2-3, C and elementary Programming.
IES Age Relaxation details
Age relaxation permissible for IES exam is as per table below
Note1
The upper age-limit of 30 years will be relaxable upto 35 years in the case of Government servants of the following categories, if they are employed in a Department/Office under the control of any of the authorities mentioned in column 1 below and apply for admission to the examination for all or any of the Service(s)/Posts mentioned in column 2, for which they are otherwise eligible.
NOTE—The period of apprenticeship if followed by appointment against a working posts on the Railways may be treated as Railway Service for the purpose of age concession.
| Code No. | Category | Age Relaxation Permissible | ||
| 01 | SC and ST | 5 years | ||
| 02 | OBC | 3 years | ||
| 03 | Certain categories of Departmental Government servants who are covered under Note1 below | 5 years | ||
| 04 | Departmental Government Servants (as against Code No.03) | + SC/ST | 10 years | |
| 05 | Departmental Government Servants (as against Code No.03) | + OBC | 8 years | |
| 06 | Blind, deaf-mute and Orthopaedically handicapped persons. | 10 years | ||
| 07 | Blind, deaf-mute and Orthopaedically handicapped persons | + SC/ST | 15 years | |
| 08 | Blind, deaf-mute and Orthopaedically handicapped persons | + OBC | 13 years | |
| 09 | Blind, deaf-mute and Orthopaedically handicapped persons | +Departmental Govt. Servants (as againstCode No. 03) | 15 years | |
| 10 | Blind, deaf-mute and Orthopaedically handicapped persons | + SC/ST | +Departmental Govt. Servants (as against Code No. 03) | 20 years |
| 11 | Blind, deaf-mute and Orthopaedically handicapped persons | + OBC | + Departmental Govt. Servants (as against Code No. 03) | 18 years |
| 12 | Defence Services Personnel disabled in operations during hostilities with any foreign country or in a disturbed area and released as a consequence thereof. | 3 years | ||
| 13 | Defence Services Personnel (as against Code No. 12) | + SC/ST | 8 years | |
| 14 | Defence Services Personnel (as against Code No. 12) | + OBC | 6 years | |
| 15 | Defence Services Personnel (as against Code No. 12) | + Departmental Govt.Servants (as against Code No. 03) | 8 years | |
| 16 | Defence Services Personnel (as against Code No. 12) | + SC/ST | + Departmental Govt. Servants (as against Code No. 03) | 13 years |
| 17 | Defence Services Personnel (as against Code No. 12) | + OBC | + Departmental Govt. Servants (as against Code No. 03) | 11 years |
| 18 | Ex-Servicemen including Commissioned offices and ECOs/ SSCOs who have rendered at least five years Military Service as on 1st August, 2008 and have been released (i) on completion of assignment (including those whose assignment is due to be completed within one year from 1st August, 2008) otherwise than by way of dismissal or discharge on account of misconduct or inefficiency; or (ii) on account of physical disability attributable to Military Service; or (iii) on invalidment. | 5 years | ||
| 19 | Ex-Servicemem including Commissioned Officers and ECOs/SSCOs (as against Code No. 18) | + SC/ST | 10 years | |
| 20 | Ex-Servicemem including Commissioned Officers and ECOs/SSCOs (as against Code No. 18) | + OBC | 8 years | |
| 21 | Ex-Servicemem including Commissioned Officers and ECOs/SSCOs (as against Code No. 18) | + Departmental Govt. Servants (as against Code No. 03) | 10 years | |
| 22 | Ex-Servicemem including Commissioned Officers Servants and ECOs/SSCOs (as against Code No. 18) | + SC/ST | + Departmental Govt. (as against Code No. 03) | 15 years |
| 23 | Ex-Servicemem including Commissioned Officers and ECOs/SSCOs (as against Code No. 18) | + OBC | + Departmental Govt. Servants (as against Code No. 03) | 13 years |
| 24 | ECOs/SSCOs who have completed an initial period of assignment of five years of Military Service as on 1st August, 2008 and whose assignment has been extended beyond five years and in whose case the Ministry of Defence issues a certificate that they can apply for civil employment and that they will be released on three months notice on selection from the date of receipt of offer of appointment. | 5 years | ||
| 25 | ECOs/SSCOs (as against Code No. 24) | + SC/ST | 10 years | |
| 26 | ECOs/SSCOs (as against Code No. 24) | + OBC | 8 years | |
| 27 | ECOs/SSCOs (as against Code No. 24) | + Departmental Govt. Servants (as against Code No. 03) | 10 years | |
| 28 | ECOs/SSCOs (as against Code No. 24) | + SC/ST | + Departmental Govt. Servants (as against Code No. 03) | 15 years |
| 29 | ECOs/SSCOs (as against Code No. 24) | + OBC | +Departmental Govt. Servants (as against Code No. 03) | 13 years |
| 30 | Candidates who had ordinarily been domiciled in the State of Jammu & Kashmir during the period from 1st January, 1980 to 31st December, 1989 | 5 years | ||
| 31 | Candidates who had ordinarily been domiciled in the State of J & K (as against Code No. 30) | + SC/ST | 10 years | |
| 32 | Candidates who had ordinarily been domiciled in the State of J & K (as against Code No. 30) | + OBC | 8 years | |
| 33 | Candidates who had ordinarily been domiciled in the State of J & K (as against Code No. 30) | + Departmental Govt. Servants (as against Code No. 03) | 10 years | |
| 34 | Candidates who had ordinarily been domiciled in the State of J & K (as against Code No. 30) | + ST/CT | + Departmental Govt. Servants (as against Code No. 03) | 15 years |
| 35 | Candidates who had ordinarily been domiciled in the State of J & K (as against Code No. 30) | + OBC | + Departmental Govt.Servants (as against Code No. 03) | 13 years |
Note1
The upper age-limit of 30 years will be relaxable upto 35 years in the case of Government servants of the following categories, if they are employed in a Department/Office under the control of any of the authorities mentioned in column 1 below and apply for admission to the examination for all or any of the Service(s)/Posts mentioned in column 2, for which they are otherwise eligible.
- A candidate who holds substantively a permanent post in the particular Department/Office concerned. This relaxation will not be admissible to a probationer appointed against a permanent post in the Department/Office during the period of his probation.
- A candidate who has been continuously in a temporary service on a regular basis in the particular Department/Office for at least 3 years on the 1st August, 2008.
| Column 1 | Column 2 |
| Railway Department | I.R.S.E. I.R.S.M.E. I.R.S.E.E. I.R.S.S.E. I.R.S.S. |
| Central Public Works Department | C.E.S.—Group ‘A’ C.E. & M.E.S., Group ‘A’ |
| Military Engineers Service, Army Headquarters | Indian Defence Service of Engineers (IDSE) |
| Directorate General Ordnance Factories | I.O.F.S. Group A |
| Central Water Commission | C.W.E. Service (Group A) |
| Central Electricity Authority | CPE Service (Group A) |
| Wireless Planning and Coordination Wing/Monitoring Organisation | Engineer (Group 'A') |
| Indian Navy | Indian Naval Armament Service,Assistant Naval Store Officer Grade I |
| Border Roads Organisation | Border Roads Engineering Service. |
| Geological Survey of India, M/o Science & Technology | Drilling Engineer (Jr.) Gr. 'A' Survey of India Service Gr. 'A' |
| Directorate Central of Supply and Disposal | ISS Group A, IIS Group A |
| Ministry of Communication and IT, Deptt of Telecommunications | P&T Building Works Group A Service (Civil) |
NOTE—The period of apprenticeship if followed by appointment against a working posts on the Railways may be treated as Railway Service for the purpose of age concession.
Books recommended for IES exam preparation
Recommended Books for IES
Books for IES Electronic and Telecommunications Engineering
Books for IES Electronic and Telecommunications Engineering
- Network Analysis: Van Valkenburg
- Network and Systems: D. Roy Choudhary
- Integrated Electronics: Jacob Milman & C. Halkias, Millman & Grabel
- Integrated Circuits: K.R. Botkar
- Op. Amps & Linear Integrated Circuit: Gayakwad
- Digital Logic & Computer Design: Moris Mano
- Signals and System: Oppehum, Willsky & Nacob
- Automatic Control System: Benjamin C. Kuo
- Control System Engineering: Nagrath & Gopal
- Principle of Communication System: Taub & Schilling
- Communication System: A. Bruu Carlson
- Electromagnetic Waves & Radiating Systems: Jardon & Balmain, JD Kraus
- Network Analysis: Van Valkenburg
- Electromagnetic: Willain H. Hayt
- Electrical Machinery: PS Bhimra
- Electrical Machines: Nagrath & Kothari
- Power System Engineering: Nagrath & Kothari
- Electric Power Systems: CL Wadhwa
- Automatic Control System: Benjamin C. Kuo
- Control System Engineering: Nagrath & Gopal
- Electrical & Electronic Measurement and Instrumentation: AK Sawhney
- Integrated Electronics: Milman & Halkias, Millma & Grobel
- Digital Logic & Computer Design: Morris Mano
- Power Electronics: PS Bhimra
- Strength of Materials: Gere & Temoshenko, B C Punamia
- Structural Analysis: Negi, S Ramamurtham, C K Vang
- Concrete Structures: Punamia & Jain, H J Shah
- Steel Structures: Duggal
- Soil Mechanics & Foundation Engineering: Ranjan & Rao, Venkat Ramaiha, S K Garg
- Fluid Mechanics and Hydraulics: Modi & Seth, R K Bansal, Subramanyam
- Hydrology: Subramanyam
- Irrigation: S K Garg
- Highway Engineering: Khanna & Jasto, Kadiyali
- Enginnering Thermodynamics: PK Nag
- IC Engine: ML Mathur and RP Sharma
- Gas Turbine and Propulsive Systems: PR Khajuria & SP Dubey
- Fluid Mechanics: Modi & Seth, RK Bansal
- Compressible Flow: SM Yahya
- Heat and Mass Transfer: JP Hollman, RC Sachdeva
- Refrigeration and Air Conditioning: CP Arora, Domkundwar
- Fluid Machinery: Jagdish Lal, RK Bansal
- Theory of Machines: RS Khurmi, Malik & Ghosh
- Mechanical Vibration: Grover
- Machine Design: Shigley, VB Bhandari
- Material Science: WD Callister, IP Singh
- Production Engineering: Kalpkjian Schmid, Amitabh Ghosh & AK Malik
- Industrial Engineering: O P Khanna, Buffa & Sarin
- Operations Research: Kanti Swarup
- Strength of Materials: Gere & Timoshenko, BC unamia, Sadhu Singh
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