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Wednesday, April 30

[Quiz] Aptitude: Simple Interest

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  1. [TNPSC 2013] What amount should be repaid to clear a loan of Rs. 6,000 borrowed at 6 2/3% Simple interest p.a for a period of 1 year and 6 months?
    1.  6,800
    2.  6,600
    3.  6,200
    4.  6,400

  2. [TNPSC 2013] Rs. 800 amounts to Rs. (20 in 3 years at SI. If the interest rate is increased by 3%, it would be
    1.  Rs. 1092
    2.  Rs. 992
    3.  Rs. 1882
    4.  Rs. 1182

  3. [TNPSC 2013] A Sum was put at SI at a certain rate for 2 years. had it been put at 3% higher rate, it would have fetched Rs. 3oo more. Find the Sum.
    1.  Rs. 1000
    2.  Rs. 4000
    3. Rs. 5000
    4.  Rs. 10000

  4. Find the SI on Rs. 1000 at a rate of 10% p.a for 5 years
    1.  Rs. 600
    2.  Rs. 100
    3.  Rs. 1000
    4.  Rs. 500

  5. A Sum of amount treble in 20 years. How many years it might have taken to double from the initial year at the same rate of simple interest.
    1.  10 years
    2.  5 years
    3.  15 years
    4.  40 years


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Tuesday, April 29

[Answer Key] TNPSC VAO 2014 Answer key Download Here, Cut Off Marks - [14th June 2014]

TNPSC VAO 2014 Exam Answer key Download

TNPSC - Tamil Nadu Public service commission conducted the VAO 2014 on 14th June 2014 at various centres throughout Tamil Nadu. Nearly 10.5 lakhs of candidates appeared for the VAO 2014 Examination. The number of posts this year is 2342.

The candidates are eagerly waiting for the Answer Keys for VAO 2014 Exam to know their TNPSC VAO 2014 Cut Off marks.

TNPSC VAO 2014 Exam Official Answer key Download

TNPSC published the VAO 2014 Exam Official Tentative answer key on 18th June 2014 the exam held on 16th June 2014. The Links to download TNPSC VAO 2014 Answer Key are updated Below.


TNPSC VAO 2014 General Studies Question Paper with Answer Key DOWNLOAD HERE [English Version]
TNPSC VAO 2014 General Studies Answer Key Download Here [English and Tamil Version]
TNPSC VAO General Tamil Answer Key Here
TNPSC VAO General English Answer Key Here  
Question Paper Courtesy http://www.tnpsc.gov.in {Official Answer Key published on 18th June 2014} 







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Aptitude



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TNPSC VAO 2014 Exam Result
To know more about the When TNPSC VAO 2014 Results are expected you can check here at TNPSC VAO 2014 Result.


You can also check the TNPSC VAO 2014 Expected Cut Off marks in our website and give your opinion about the cut off marks.


TNPSC VAO 2014 General Studies Question Paper with Answer Key DOWNLOAD HERE

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Monday, April 28

TNPSC Complete Book List For all Exams Group 1, 2, 4, VAO, Engineering Services and others

We have tried to compile all the essential books for the TNPSC Exams like Group 1, Group 2 (Interview Posts), Group 2 (Non-Interview Posts), Group 4, VAO Exam, Engineering Services for the General Studies Section  and aptitude section.

Before discussing about the list of books for General Studies, it will good to know the importance of Current Affairs section in TNPSC Exams. Because nowadays TNPSC Question papers are having more number of current affairs question, nearly 10 to 20 based on the number of GS Questions. For example the number of Current affairs questions in group 1 would be more when compared with other exams as it is having 150 GS questions.

Current Affairs

  • The Hindu - Newspaper 
    • Sections - National, Economics, International Affairs, Polity related news(like Acts, New Schemes), Environment, Science, Personalities, Important appointments, Sports, Books
  • A Good magazine which suits you. [It helps you to go through the missed topics]

Polity

History
  • [Option 1] 6th to 12th Samacheer Kalvi Books
  • [Option 2] 12th NCERT Old Books - Modern India, Medieval India and Ancient India   or
  • [Option 3] 12th NCERT THEMEs in Indian History 1,2,3 - Available Online for Free here
Geography
Economics
Science
  • [Option 1] Tamil Nadu Samacheer kalvi Books 6th - 10th (Most Prefered for TNPSC Exams)
  • [Option 2] NCERTs (Prefered for All other exams)
Aptitude

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TNPSC Combined Engineering Services Exam Previous Year Question Papers with Answer Key

TNPSC Combined Engineering Services Exam 2014-15 Question paper with Solved Answer key
TNPSC Combined Engineering Services Exam 2014 Question paper with Answer key Date of Exam 27.07.2014
TNPSC Combined Engineering Services Exam 2014 Question paper with Answer key for Civil Engineering Click Here
TNPSC Combined Engineering Services Exam 2014 Question paper with Answer key for Mechanical and Production Engineering Click Here
TNPSC Combined Engineering Services Exam 2014 Question paper with Answer key for Electrical and instrumentation Engineering Click Here
TNPSC Combined Engineering Services Exam 2014 Question paper with Answer key for Textile Engineering Click Here
TNPSC Combined Engineering Services Exam 2014 Question paper with Answer key for Electronic and Communication Engineering Click Here
TNPSC Combined Engineering Services Exam 2014 Question paper with Answer key for Chemical Engineering Click Here
General Knowledge Click Here

TNPSC Combined Engineering Services Exam 2013 Question paper with Answer key
TNPSC Combined Engineering Services Exam 2013 Question paper with Answer key for Civil Engineering Click Here
TNPSC Combined Engineering Services Exam 2013 Question paper with Answer key for Mechanical and Production Engineering Click Here
TNPSC Combined Engineering Services Exam 2013 Question paper with Answer key for Electrical and instrumentation Engineering Click Here
TNPSC Combined Engineering Services Exam 2013 Question paper with Answer key for Textile Engineering Click Here
TNPSC Combined Engineering Services Exam 2013 Question paper with Answer key for Electronic and Communication Engineering Click Here
TNPSC Combined Engineering Services Exam 2013 Question paper with Answer key for Chemical Engineering Click Here
General Knowledge Click Here

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[Quiz] Aptitude: Compound Interest

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  1. [TNPSC 2013] At what rate CI does a sum of money becomes nine fold in 2 years
    1.  200%
    2.  150%
    3.  100%
    4.  300%

  2. Find the Interest of Rs. 1800 invested at 10% p.a at CI for 2 Years
    1. Rs.  278
    2.  Rs. 378
    3. Rs.  380
    4. Rs.  480

  3. Find the Amount of Rs. 1800 invested at 10% p.a at CI for 2 Years
      1. Rs.  2168
      2. Rs.  2160
      3. Rs.  2178
      4. Rs.  2180

    1. Find the Amount of Rs. 500 invested at 10% p.a at CI for 4 Years
      1. Rs.  55
      2. Rs.  40
      3. Rs.  540
      4.  Rs. 605

    2. Find the Interest of Rs. 500 invested at 10% p.a at CI for 4 Years
      1.  Rs. 105
      2. Rs.  40
      3. Rs.  540
      4.  Rs. 605


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    Sunday, April 27

    TNPSC Combined Engineering Services Exam - Chemical Engineering Paper 1 - www.tnpsc.gov.in

    PAPER-I
    Syllabus
    [The existing syllabi for the subjects under Paper-I now (previously Paper -I and Paper –II)
    have been clubbed together and constituted as a single syllabus]
    CHEMICAL ENGINEERING
    Degree Standard
    PAPER-I Code No: 025
    UNIT I
    CHEMICAL PROCESS CALCULATION AND CHEMICAL ENGINEERING THERMODYNAMICS:-
    Properties of gases liquids and solids - Gas laws - Thermodynamics functions - Chemical and
    Phase Equilibrium - Laws of Thermodynamics - Ideal and non-ideal gases and solutions - partial
    molal properties - Material and Energy balance involving recycle, by pass and purge,
    Thermochemistry.
    UNIT II
    MOMENTUM, HEAT AND MASS TRANSFER OPERRATIONS:- Newtonian and non-Newtonian
    fluids, compressible and non - compressible fluids, flow in closed ducts, packed beds and fluidised
    bed. Continuity and conservation equations. Heat transfer by conduction, convection and Radiation -
    Heat exchanger equipment. Laws of Diffusion, Theories of mass transfer, Interphase mass transfer.
    Analogy of the above three operations.
    UNIT III
    MECHANICAL OPERATIONS AND RENEWABLE ENERGY SOURCES:- Size reduction, particle
    size analysis, mixing and agitation, sedimentation, filtration, flotation: Potential for energy sources,
    energy conservation, Solar energy, Thermal, Photoelectic, Ocean, Geothermal, Wind energy, Bioenergy
    sources.
    UNIT IV
    ENGINEERING MATERIALS AND SAFETY IN CHEMICAL INDUSTRIES:- Materials of construction
    for chemical industries, metallic, non-metallic, ceramic and polymeric materials, corrosion. Industrial
    safety principles. Site selection and plant layout. Chemical hazards classification. Dangerous
    occupational health diseases. Engineering control of plants, safety in operations and processes.
    UNIT V
    CHEMICAL TECHNOLOGY:- Inorganic chemical Industries - an overview, Acids, Fertilisers,
    industrial gases, marine chemicals, cement, glass and ceramics, Refractories, Organic chemical
    20
    Industries - an overview; natural products. Soap, Sugar, Paper, Rubber, Petrolem products,
    fermentation products, Intermediates and Dyes.
    PAPER -II
    UNIT I
    Instrumentation and Process Control :- Principles, on - off, proportional, integral, Serivative and
    combined modes of control. Feed back control systems and its elements. Analysis of control
    systems, Measurement and control of Temperature, pressure, flow of fluids, PH and Humidity. Micro
    processer - based control.
    UNIT II
    Design & Optimisation and Environmental Engineering :- Process selection, flow diagrams, plant
    location and layout, optimisation techniques. Cost estimation, plant utilities, safety analysis of
    process plants. Environmental Engineering sources of impurities. Air and water quality standards,
    monitoring of pollutants, waste disposal, Noise pollution. Meterology and air pollution.
    UNIT III
    Multi - Phase Mass Transfer Operations:- Absorption, distillation, liquid - liquid extraction,
    adsorption, membrane separation process, continuous contact operation and theory. Batch process.
    Chemical Engineering
    UNIT IV
    Chemical Reaction Engineering:- Chemical Kinetics, interpretation of rate data in variable volume
    and constant volume systems ideal reactors. Concept of ideality. Development of design expression
    for batch, tubular, and stired tank reactors, combined reactors, comparison advantages and
    limitations in applications, thermal characteristics of reactors. Isothermal, adiabatic, non adiabatic
    condition - principles of reactor stability.
    UNIT V
    Numerical Methods and Computational Techniques:- Emprical laws and curvefitting - Equations with
    real Co-efficients and imaginary roots - equations with rational coefficients and irrational roots -
    symmetric functions of the roots - Transformation of equations. Numerical solutions of linear -
    algebric equations. Numerical solutions of non - linear - algebric equations - solution of initial value
    ordinary differential equations. Boundary value of non - linear ODE - solution of partical differential
    equation.
    Paper 2 - TNPSC Combined Engineering Services Exam General Studies Syllabus

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    TNPSC Combined Engineering Services Exam - ECE Electronics and Communication Engineering Paper 1 - www.tnpsc.gov.in

    TNPSC Combined Engineering Services Exam - ECE Electronics and Communication Engineering Paper 1
    Syllabus
    [The existing syllabi for the subjects under Paper-I now (previously Paper -I and Paper –II)
    have been clubbed together and constituted as a single syllabus]
    ELECTRONICS & COMMUNICATION ENGINEERING
    Degree Standard
    PAPER-I Code No: 044

    ELECTRONIC DEVICES CIRCUITS AND SYSTEMS

    UNIT I
    DEVICES AND CIRCUITS: Diodes and Transistors - PN Point contact Zener, varactor, Tunnel, step recover - input and output characteristics of BJI, FET, UJT, Opto - electronic devices - Biasing and
    stabilisation of transistor circuts - analysis using h - parameters - calculation of gain, impedance and bandwidth .

    UNIT II
    AMPLIFIERS AND OSEILLATORS: Design and analysis of RC, Dc coupled, Large signal amplifiers,
    Differential amplifier and tuned amplifiers - Oscillators - Critoria for oscillation, resonance type
    oscilators RC Phase shift wein bridge oscillators

    UNIT III
    RECTIFIERS AND POWER SUPPLIES: Half wave, Full wave and Bridge rectifiers will all types of
    filters, regulated power supplies. SMPS.

    UNIT IV
    MULTIVIBRATORS AND A VESHAPING: Astable, Bistable Monostable and submit trigger saw
    tooth generation using BJT and UJT clipping and clamping circuits using diodes and transistors.

    UNIT V
    LINEAR AND DIGITAL INTEGRATED CIRCUITS: IC fabrication techniques OPAMPS and its
    applications A/D and D/A converters, PILL. Wave form generators Voltage regulators, IC Power
    amplifiers.

    UNIT VI
    DIGITAL CIRCUITS: Switching algebra, Number systems, Logic gates and circuits, Minimization
    techniques, Logic families, shift registers, Counters, Multiplexersi Dimultiplexers, semiconductor
    Memories, LSI, VLSI.

    UNIT VII
    MICROPROCESSORS: 8 and 16 bit microprocessors and their architecture, Instruction set,
    Peripherals and Interfacing Microcontrollers Microprocessor based system design.

    UNIT VIII
    COMPUTER SYSTEMS: Data representation, Elements of high level programming languages
    (Pascal and C) Data Structures, Computer architecture, processor design, control unit design,
    Memory organization , I/O system organisation.

    UNIT IX
    MEASUREMENTS AND INSTRUMENTATION: Electrical transducers and their characteristics,
    measurement techniques, and related Instrumentation.

    UNIT X
    MICROWAVE DEVICES AND CIRCUITS: Microwave devices sehotky, PIN diodes, Gunn diodes.
    Microwave aplifiers and oscillators. Microwaves components microwave measurements.

    PAPER-II
    COMMUNICATION ENGINEERING

    UNIT I 
    AM/FM TRANSMITTERS AND RECEIVERS: AMPLITUDE, FREQUENCY AND PHASE MODULATIONS: Definitions and equations, modulation, index -Frequency spectrum of AM/FM signals, modulators and demodulators - Diode detecter, slope detector, Balanced slope detector foster seely discriminator Ratio detector. Transmitters: Allocation of frequency for various services, High power transmitter, Aerial coupling. Receiver: Superbeter odyne, SSB and FM receivers noise considerations. Digital communication: PCM, TDM and FDM.

    UNIT II
    TRANSMISSIONLINES, ANTENNAS AND WAVE PROBAGATION: Transmission lines and Wave guides: Characteristic impedance of transmission lines, standing waves - matching using smith chart- rectangular and circular wave guides - resorators, isolatored circulators and direction couplors. Antennas: Isotropic radiator, dipole, vertical antenna, resonant and non-resonant antennas - arrays - VHF, UHF, Microwave antennas - radiations pattern for the above antennas. Wave propagation: Ground wave, surface wave, HF and LOS propagation.

    UNIT III
    ANALOG AND DIGITAL SIGNAL PROCESSING: Signals and systems: Introduction - Vector space - concepts - Representation of signals - Linear time invariant systems - discrete time signals and discrete time systems. Analog Signal Processing: Circuit and Network Theorems, Four Terminal Networks - I, II, Lattice, Bridge - T networks, Equalizers, wave filters, Attenuators. Digital: Linear shift invariant systems - DFT and FFT - FIR and IIR and digitel filters - Design methods, FFT - Wiener and matched filters applications.

    UNIT IV
    TELEVISION: Television systems and standards: CCIR standards, NTSC, PAL, SECAM system Black and White transmission - scanning, blanking and synchroaising pulses. Monochrome Reception: Common, Video and Sound Circuits, Synchronizing circuits vertical deflection circuits, horizontal deflection circuits. Colour Transmission and Reception: Colorimetry, Generation of RGB signals, compatibility with monochroms TV and with band width, PAL encoding techniques, PAL decoders, colour TV picture tubes, Remote Tuning of TV Receivers.

    UNIT V
    RADAR SYSTEMS: Radar equations - range, minimum detectable signal, rader cross section, PRF and range ambiguities, Propogation effects and system losses. Types: CW, doppler, FM-CW, MTI, and pulse doppler Radar. Tracking techniques, conical and monopoles, Tracking-in range and tracking in doppler. Radar Transmitter & Receiver: Radar Transmitter source and Modulators, Radar antennas Radar receivers, Duplexers and Displays.

    UNIT VI
    SATELLITE COMMUNICATION: Orbit and Launch: Equation of Motion, tracking and orbit determination, satellite launches, satellite performance, station keeping, system Co-ordination and control.

    UNIT VII
    COMMUNICATION SYSTEMS: Satellite sub-system, FSS, BSS, Multiple axes techniques. FDMA, TDMA and CDMA. Earth station configuration, Tracking and receiver sub-systems.

    UNIT VIII
    FIBRE OPTIC COMMUNICATION: Optical fibres, optical loss, Modes and configuration, Fibre materials, attenuation, signal distortion. Optical sources - LED, LASERS, Modulation and reliability considerations, Fibre to Fibre joint, splicing techniques. Optical receivers, Photo diodes, Photo detectors.

    UNIT IX
    INFORMATION THEORY AND CODING: Information measure, properties of various entropies, Noiseless coding, Kraft-Mcmillan inequality, Huffman's method of coding, coding Theorem. Noisy coding, classification of channels and their calculation, Decoding schemes. Correlation receiver, matched filter, Wiener filter, linear estimation. Testing of hypothesis, Parameter estimation.

    UNIT X
    TELEPHONY, COMMUNICATION SWITCHING AND ACOUSTICS: Telephony: Telephone hand
    sets, transmitters and receivers, telephone traffic variation, busy hours, lost calls, dialing methods, various signalling systems. Communication Switching: Simplex, duplex and quadruplex working receivers, dialing methods, Digital Switching - circuit switching, packet switching, message switching, numbering plans Routing methods, signalling types, traffic measurements, EPABX modem.Acoustics: Microphone, different types - Loud speakers, different types - parameters - speech - hearing sound level meter - studio acoustics - sabine Formula - Reverbration time, stereo - effect.

    Paper 2 - TNPSC Combined Engineering Services Exam General Studies Syllabus

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    TNPSC Combined Engineering Services Exam - Textile Engineering Paper 1 - www.tnpsc.gov.in

    PAPER-I
    Syllabus
    [The existing syllabi for the subjects under Paper-I now (previously Paper -I and Paper –II)
    have been clubbed together and constituted as a single syllabus]
    TEXTILE ENGINEERING
    Degree Standard
    PAPER-I Code No: 114
    UNIT I
    FIBRE PRODUCTION :- Classification of textile fibres. Principles of polymerization, Manufacturing
    details of viscose rayon, Poly ethylene terephthalate, nylon 6 and 6,6, poly-acrylonitrile, poly
    propylene, polyaramides carbon and glass fibres. Texturization of fibres.
    UNIT II
    FIBRE COMPOSITES :- Resins, additives to resins. Types and characteristics of the re-inforcing
    fibres, Different textile structure used for re-inforcements.
    UNIT III
    SPINNING PREPARATORY PROCESSES :- Sequence of processes used to prepare the staple
    fibres (cotton, jute, wool and man-made fibres) for yarn spinning. Process optimization.
    UNIT IV
    CONVENTIONAL YARN SPINNING :- Yarn formation using ring spinning method. Spinning
    limitations. Doubling of yarns.
    UNIT V
    NEW METHODS OF YARN SPINNING:- Yarn production by open end, friction and air-jett spinning
    methods. Techno - economic comparison with convetional method.
    UNIT VI
    PREPARATORY PROCESSES FOR FABRIC FORMATION:- Sequence of processes used to
    prepare the yarn for fabric formation in looms and kaitting machines. Process optimization.
    UNIT VII
    WEAVING MACHINES:- Fabric formation in conventional and high speed looms. Process
    optimization. Economic viability of high speed looms.
    UNIT VIII
    KNITTING MACHINES:- Fabric production in weft knitting machines. Comparison of woven and
    knitted fabrics, Principles of warp knitting. Production of garments from woven and knitted fabrics.
    UNIT IX
    CHEMICAL PROCESSING:- Preparation of material for coluration and finishing, principles involved
    in dyeing and printing. Physical and chemical finishing operation.
    UNIT X
    QUALITY ASSESSMENT:- Sampling method, Determination of sample size. Testing of fibres yarns
    and fabrics for various qualities. Statistical Significance Test.
    PAPER -II
    UNIT I
    STRUCTURAL MECHANICS OF YARN :- Yarn geometry, Fibre migration and its characterization,
    Prodiction of filament and spun yarn tensile behavious under different conditions.
    17
    UNIT II
    STRUCTURAL MECHANICS OF FABRICS :- Fabric geometry, Prediction of deformation behaviour
    of woven, knitted and non - woven fabrics.
    UNIT III
    TEXTILE MACHINE DESIGN :- Design of Cams, gear trains, clutches and brakes for application in
    textile machines. Kinematics of comber and loom operations.
    UNIT IV
    MACHINING OPERATIONS :- Material Selection, Different machining operations. Surface
    treatments, Tolerance Limits.
    UNIT V
    PNEUMATICS:- Application of free air and compressed air in textile machinery. Air pressure
    measurements and its control.
    UNIT VI
    WORK STUDY:- Work and time measurement. Motion time analysis. Resources allocation and
    scheduling.
    UNIT VII
    PRODUCTION PLANNING:- Balancing of textile machines in different departments to produce
    required quantity of and products taking into account various process parameters.
    UNIT VIII
    MACHINERY MAINTENANCE:- Break-down and preventive maintenance for textile machines.
    Types and Selection of Lubricants, Lubrication devices, Depreciation and replacement studies.
    UNIT IX
    SELECTION OF MOTORS:- Selection of electric motors for various textile machines. Application of
    variators and invertors. Smooth starting of machines. Microprocessor applications. Power
    requirements.
    UNIT X
    ENVIRONMENTAL CONDITIONS IN TEXTILE MILLS:- Plant lay-out, Material handling. Lighting
    and humidification, Safety devices]
    Paper 2 - TNPSC Combined Engineering Services Exam General Studies Syllabus

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    TNPSC Combined Engineering Services Exam - Mechanical and Production Engineering Paper 1 - www.tnpsc.gov.in

    PAPER-I
    Syllabus
    [The existing syllabi for the subjects under Paper-I now (previously Paper -I and Paper –II)
    have been clubbed together and constituted as a single syllabus]

    MECHANICAL AND PRODUCTION ENGINEERING
    (Mechanical Engineering)
    Degree Standard
    PAPER-I Code No: 074
    1. APPLIED MECHANICS: Statics of particles - Resolution of forces - supports and reactions -
    Determination of forces in member of statically determinate plane trusses by method of joints
    and method of section. Controls - moment of inertia, position, velocity and acceleration of
    penticles. Newton's Second law, Equations of motion, principle of work and energy, impulse and
    momentum, impact of elastic bodies, friction - laws, simple machines.
    2. ENGINEERING THERMODYNAMICS:- Energy - Work - heat properties - states - processes.
    Energy equations. Work and PV diagrams. Laws of thermodynamics Carnot cycle, reversed
    carnet cycle, efficiency - COP. Specific heats - gas laws - perfect gas relationships. mole
    concept, molar volume, internal energy, enthalpy, molecular weight of gas mixtures. Methods of
    cycle analysis - tables of thermodynamic properties of air - thermal efficiency To cycle - diesel
    cycle - dual combustion cycle - comparison of cycles - problems on use of steam tables.
    3. INTERNAL COMBUSTION ENGINES:- Basic engine nomenclature - engine classification -
    working of SI engine, CI engine, two stroke engine and four stroke engine - carburation - air fuel
    mixture ratio. Combustion in SI engine - ignition systems - timing - spark plugs - combustion
    chamber. Combustion in CI engine - ignition delay - valve timing diagram - fuel supply injection
    systems. Performance of SI and CI engines - factors affecting the performance characteristics.
    Cooling - lubrication systems, fuels used in SI and CI engines. Measurements of engine power -
    indicated mean effective pressure - indicated horse power - brake horse power - specific fuel
    consumption - thermal efficiency.
    4. GAS DYNAMICS AND JET PROPULSION:- Energy equation for flow process - velocity of
    sound - mach number - effect of Mach number on compressibility. Isentropic flow with variable
    area - Area ratio as a function of Mach Number - mass flow rate - flow through nozzles - flow
    through diffusers. Solution of Fanne flow equation - isothermal flow with friction. Flow with
    normal shockwaves - governing equations. Prandtl - Meyer equation. Aircraft propulsion - jet
    engines - energy flow - thrust power and propulsive efficiency - performance of jet engine.
    Rocket engines - performance - solid and liquid propellant rockets. Comparison of various
    propulsion systems.
    5. REFRIGERATION AND AIR CONDITIONING:- Principles of refrigeration - mechanism of
    producing cold - types of refrigerations - refrigerating effect and unit of refrigeration - coefficient
    of performance of refrigerator. Air refrigeration systems - reversed Carnot cycle - Bell colemen
    cycle. Simple vapour compression system. Advanced vapour compression systems - T.S
    Diagram - pH chart - dry and wet compression - under cooling. Vapour absorption systems.
    Refrigerants. Refrigeration applications. Air conditioning - Factors in air conditioning - simple
    heating and cooling - dehumidification - humidification.
    6. FLUID MECHANICS:- Classification of fluids - fluid properties - Ideal fluid flow - Rotational -
    irrational flow - Bernoulli's equation - Flow through pipes - pipes in series - pipes in parallel -
    DARCY'S equation - viscous fluid flow - Navier - stokes equation - Laminar and Turbulent flow -
    Reynold's number - Compressible flow of perfect gas - speed of sound wave - concept of Mach
    number – Hydraulic Jump.
    7. TURBOMACHINERY:- Definition and classification of turbo machines, equation for energy
    transfer. Centrifugal fans, blowers and Compressors. Axial flow fans and compressors. Axial
    turbine stages. Free and forced vortex flow. Centrifugal pumps - workdone - head - specific
    energy - priming - performance of multistage pumps. Hydraulic turbines - different types -
    governing, performance - selection of turbines. Gravitation - method of preventing - hydraulic
    coupling - torque convertors.
    8. HEAT AND MASS TRANSFER:- Modes of heat transfer, one dimentional heat conduction,
    resistance concept, unsteady state heat conduction. Fins, free and forced conviction. Thermal
    boundary layer concept. D.B. equations and other correlations, radiation, black and gray bodies,
    15
    shape factor design of heat enchangers. NTU method. Analogy of mass, Heat and Momentum
    transfers, mass transfer equipments.
    9. POWER PLANT ENGINEERING:- Sources of energy - conventional and non - conventional
    Location of steam power plant, diesel power plant and nuclear power plants - layout. Disposal of
    waste, safety and hazards. Hydroelectric power plants, Gas power plants - environmental
    problems. Power plant economics, cost benefit analysis - future power plants wind, tidel, solar
    energy - problems and prospects. Geothermal energy, fuel cells, thermionic and thermo electric
    converters etc.
    10. INSTRUMENTATION AND CONTROL:- Elements of measurement systems. Range, span,
    sensitivity, accuracy, precision and repeatability of instrument. Errors in measurement system.
    Transducers for measurement of pressure, manometers, temperature measuring instruments,
    measurement of speed, strain gauge basics, force measurement using load cells and
    electromechanical methods. Dynamometers for power measurement, flow meters, rotameters,
    using velocity process, hot wire anemometer, accelerometers. Open and closed loop control
    systems. Transfer function, Hydraulic and Pneumatic control systems, Different types of controls
    like, two way proportional, differential and integral control.
    PAPER-II
    1. STRENGTH OF MATERIALS:- Direct stress and strain – elasticity – Hook’s law – Poisson’s
    ratio – bulk modulus. Shear stress- modulus of rigidity. Analysis of stress and strain
    compound stress. Strain energy, resilience and strength theories. Bending moment and
    shearing forces.
    Bending stresses in beams, shearing stresses in beams, deflection of beam, fixed and
    continuous beams. Combined direct and bending stresses. Columns and struts, torsion of
    shafts, springs, thin and thick cylindrical and spherical shells. Riveted joints.
    2. THEORY OF MACHINES-I:- Kinematics of machanisms – link pair – Inversions of
    mechanism four bar chain – slider crank mechanisms. Motion and inertia – velocity –
    acceleration – force – mass – centrifugal and centripetal force – mass moment of inertia –
    velocity in mechanism – velocity polygons – acceleration in mechanism – lower pair – cams
    – gyroscope.
    3. THEORY OF MACHINES-II:- Friction-laws of solid friction-wedge-screws-threads collarpivot-
    clutch-bearing. Belt, rope and chain drive-toothed gears-gear trains-inertia force
    analysis and fly wheel governors – stability – friction and insensitiveness. Balancing of
    several masses in different planes. Mechanical Vibrations – force vibrations – damping.
    4. DESIGN OF MACHINE ELEMENTS:- Design of riveted and welded joins – Design of
    detachable joints – Bolted Joints cotter joint – Knuckle joint – Design of crank shaft and
    connecting rod – Flange coupling – Helical and leaf springs – Fly wheel – Design of journal
    and thrust bearings.
    5. DESIGN OF TRANSMISSION ELEMENTS:- Selection of flat and vee belts – design of cone
    pulley belt drive – design of spur gears, helical gears and bevel gears – Design of worm and
    wheel pair for power transmission – Design of single and two stage speed reducers.
    6. PRODUCTION PROCESSES:- Classification of machining processes, metal cutting tools,
    tool materials, tool geometry, Lathe; machanisms for feed and spindle drive, work holding
    device, types of operation, Drilling machines, shaper, slotter and milling machines; drives
    and types of work done, milling machines; drives for spindle speed and feed Work holding
    devices indexing, milling machine operations.
    7. MACHINING PROCESSES:- Grinding machines: Abrasives, grain structure and designation
    of grinding wheels, various types of grinding, work holding devices. Fine finishing process;
    honing, buffing, metal spraying and electroplating.
    Gear and gear manufacturing; Gear milling, shaping, hobbing, gear finishing: gear shaving,
    grinding, lapping , and gear honing. Special Machining process; Electro discharge
    machining, Electro Chemical grinding, electron beam and laser beam machining abrasive jet
    machining. NC & GNC machine operations, Flexible manufacturing systems automated
    guided vehicles, FMS layout, material handling system.
    8. METROLOGY AND QUALITY CONTROL:- Precision instruments: Vernier, micrometer, slip
    gauges, sine bars, comparators, Inter changeability, limit gauges. Profile projector, tool
    16
    maker’s microscope, screw thread projector, measurement of surface finish, Testing
    geometric accuracy of machine tools, Errors in threadpitch measurement, gear tooth errors
    statistical quality control concept, use of control charts, Acceptance sampling, economic
    aspects of quality control.
    9. INDUSTRIAL ENGINEERING:- Work study – techniques – Method study – objectives – basic
    procedure – work measurement – objectives – basic procedure – production planning and
    control – machine loading and scheduling – product sequencing – inventory control – E O Q
    – quantity discounts – ABC Analysis – Plant layout – Product and Process layout material
    handling systems – simplex method – Transportation model – Assignment model.
    10. INDUSTRIAL MANAGEMENT:-The basic of management theory and practice – Planning –
    The nature and purpose of Planning – The nature and purpose of Planning – Decision
    making – Organising – Nature and purpose of organising – staffing – Nature and purpose of
    staffing – Leading – Motivation – Leadership – controlling – Control techniques – Ensuring
    effective managing.

    Paper 2 - TNPSC Combined Engineering Services Exam General Studies Syllabus

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    TNPSC Combined Engineering Services Exam - Electrical and Instrumentation Engineering Paper 1 - www.tnpsc.gov.in

    PAPER-I
    Syllabus
    [The existing syllabi for the subjects under Paper-I now (previously Paper -I and Paper –II)
    have been clubbed together and constituted as a single syllabus]

    ELECTRICAL & INSTRUMENTATION ENGINEERING
    Degree Standard
    PAPER-I Code No: 042
    1. FUNDAMENTALS OF ELECTRICAL ENGINEERING Dc And Ac Series And Parallel Circuits -
    Kirchhoffs Law - Network Graph - Matrix Representation - Solution Of Steady State, equations -
    transients in AC networks - Network theorems, super position, reciprocity, Thevenin and
    Norton's theorems, Maximum power transfer therorem, star delta transformation - frequency
    response of RL, RC, RIC series and parallel circuits - solutions of balanced and unbalanced 3
    phase circuits.
    2. ELECTRICAL MACHINES Constructional features of DC Machines, emf equation and
    characteristics of different types of DC generators - DC motor - torque equation - DC motor
    characteristics - starters of DC motors speed control of DC motors - testing of DC motors -
    alternators - different types - constructional features - emf equation - regulation of alternators by
    different methods - phaseor diagram - expression for power developed as a funtion of torque
    angle - synchronous motors - principle of operation - v and inverted v curves - starting methods
    - stepper motors - principle of operation - polyphase induction motors - principle of operation
    phasor diagram and equivalent circuit - starting and speed control - single phase ixluction motor
    - principle of opetation and applications - transformers - principle of operation and construction
    of types different of single phase and three phase transformers - regulation,efficiency and all
    day efficiency.
    3. CONTROL SYSTEMS Open loop and closed loop systems - mathematical modelling of physical
    systems - electrical, mechanical, electro mechanical, hydraulic, pneumatic and thermal systems
    - transfer function and state space modelling of these systems - block diagram representation
    and signal flow graph - electrical analog - time response of simple system for implulse, step and
    ramp type of inputs - solution of state equations - STM - time domain specifications - frequency
    domain analysius - polar, inverse polar, bode - constant M and N circles and Nichols chart
    frequency domain specifications - Routh-Hurwitz stability criterion - Nyquist stability criterion -
    construction of root locus - determination of closed loop poles - transient response and stability
    from root locus
    4. GENERATION TRANSMISSION AND DISTRIBUTION Sources of energy - power plants -
    hydroelectric - nuclear - thermal - layout - storage schemes - turbines - hydroelectric and steam
    - interconnected systems - cost evaluation - nuclear reactors - fuel materials - coolant -
    comparison and detection of different types of power plants - transmission lines - performance -
    short and medium - corona - insulators - transmission towers - underground cables -
    distrubution - feeders - distributors and service main - comparison of distribution system - radial
    and ring distributors - calculation of voltages and distributors with concentrated and distributed
    loads.
    5. PROTECTION AND SWITCH GEARS Circuit breakers - Arc in oil - Arc interruption - theories -
    current chopping - oil circuit breakers - air blast circuit breakers - vacum circuit breakers -
    sulphur hexaflouride - circuit breakers - testing of circuit breakers - protective relays - functional
    charactoristics of protective relays - operating principles of relays - overcurrent relays -
    directional over current relays - the universal relay - torque equation - differntial relays - feeder
    protection - distance protection - generator protection - protection of transformers - carrier
    current protection - comparators - static relays - fuses and H.R.C.fuses for relays (the emphasis
    must be on solid state devices).
    6. BASIC ELECTRONICS Semi conductor diodes - zener diodes - transistors - FET's power
    diodes - thyristors - photocell - photodiodes - power diodes - photo transistors,L.D.R.and
    applications - rectifiers and voltage regulators - amplifiers - classification of amplifiers - power
    amplifiers - wide b and amplifiers - oscillators - operational amplifiers - application of operational
    amplifiers - Indusstrial timers - voltage regulators - Instruementation amplifiers - A to D and D to
    A converteros - PLL - active filters.
    7. DIGITAL TECHNIQUES Number systems used in Digital electronics -weighted binary codes -
    non weighted codes - crror detection and correction,alpha numeric codes,BCD- development of
    13
    Boolean algebra - truth fuctions - reading boolean expression - Boolean expansions and logic
    diagrams - Minterms - tables and maps - solving digital probleme - Map reduction techniques -
    sum of products from hybrid function - multiple out put minimizations - tabular minimisations -
    sequential logic - flip/flops - digtal counter - ripple counter - logi c gates - mutliplexers,
    demultiplexers and decoders , code converters - arithmetic funcrioons - shift registers - semi
    conductormemory elements - PLA.
    8. NETWORK ANALYSIS One port and two port networks - driving point impedance and
    admittance of one port network - open circuit impedance and short circuit admittance of two port
    network - transfer impedance and admittance - A,B,C,D parameters - impedence matching -
    filters - character istic of ideal filters - low pase and High pass filters - attenuation and phase
    shift - bandpass filter - elements of network synthesis - realiability of one port, hurwitz
    polynomical positive real function - necessary and sufficient conditions for positive real function -
    testing a positive real function proporties - synthesis of RL RC and LC driving point impedances.
    9. ELECTRICAL MEASUREMENTS Measurement of voltage and current - permanent magnet
    moving coil and moving ion meters - dynamometer type - thermocouple and rectifier typ;e
    instrument of power and energy - dynamometer type wattmeter and induction type energy meter
    - single phase and three phase - testing and calibration of energy meter - power factor meter -
    magnetic measurement - ballistic galvanometer and fluxmeter - BH curve - permeability
    measurement - current and voltage transformers - use of instrument transformers with
    wattmeters - KVA and KVAR metrts - maximum demand indicators - Megger.
    10. ELECTRONIC MEASUREMENTS BJT, FET and MOSFET voltmerters - solid state multimeter -
    DMM - audio and Radio frequency signal generators - AM signal generator - function generator
    - wave anlyzer - spectrum analyser - frequency measurement - measurement of period and time
    - phase angle measurement - bridge type of measurements - recording instruments - display
    instruments - general purpose oscilloscope - multitrace display - digital storage - sampling
    oscilloscope - sychroscope.
    PAPER -II
    1. MEASUREMENT SCIENCE Static characteristics of measuring instruments - accuracy,
    precision snesitivity,non-linerarity, hysteresis - dynamic characteristics - I order and II order
    instruments - Standards andcalibration - errors and error analysis.
    2. TRANSDUCERS Variable resistance transducers - potentiometer, strain gauge RTD,
    thermistor, hygrometer - Variable inductance transducers - LVDT - variablpe relectance
    accelerometer - variable capacitance tranaducers for differential pressure, sound and thickness
    measurement - piezoelectric transducer - smart tranaducors.
    3. MECHANICAL MEASUREMENTS Characteristics of instruments for measurement of
    displacement, velocity, acceleration, force, torque and vibration.
    4. INDUSTRIAL INSTRUMENTS Temperature measurement - thermocouples, cold-junction
    compensation for thermocouple, radiation and optical pyrometers - pressure measurements -
    bourdon gauge, bellows, diaphragme, differential pressure transmitter, vacum gauges, melead
    gauge, prani gauge - flow measurement - office meter, venturimeter, electro magnetic flow
    meter, ultrasonic flow meter, rotameter positive displacement meters, mass flow meters.
    5. ANALYTICAL INSTRUMENTS Measurement of PH,viscosity and density - Gas chromatography
    - UV and IR spectrophotometers, single beam and dual beam spectrophotometers.
    6. PROCESS CONTROL Basic control actions - on - off, P, I , D, P + I , P + D and p + I + D control
    actions - electronic and pneumatic controllers - feed forward control, ratio control and cascade
    control - control valves - computer control of process - z transforms.
    7. BIO MEDICAL INSTRUMENTS Measurement of biological signals - ECG,EEG, EMG - blood
    pressure and blood flow measurements - defibrillators - pace maker.
    8. TELEMETRY Wired telemetry - Radio telemetry - analog modulation - time division multiplexing
    and frequency division multiplexing - PAM and FM transmitters - digital modalation - PCM
    transmitters - Demultiplexing - receivers - fibre optic transmitters and receivers.
    9. MICRO PROCESSORS AND MICRO CONTROLLERS 8 bit microprocessors - 8085 and z80 -
    Architecture, programming and interface devices - 16 bit microprocessor 8088 - Micro
    controllers, 8031 and 8051 Microprocessor based instruments.
    14
    10. LOGIC AND DISTRIBUTED CONTROL Direct digital control - supervisory control - SCADA -
    programmable logic control - I/o module, PLC programming, ladder diagram - distributed control
    system - configuration, operator station, displays, communication in DCS ,protocols, field bus.

    Paper 2 - TNPSC Combined Engineering Services Exam General Studies Syllabus

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    TNPSC Combined Engineering Services Exam - Civil Engineering Paper 1 - www.tnpsc.gov.in

    PAPER-I
    Syllabus
    [The existing syllabi for the subjects under Paper-I now (previously Paper -I and Paper –II)
    have been clubbed together and constituted as a single syllabus]

    CIVIL ENGINEERING
    Degree Standard
    PAPER-I Code No: 029
    UNIT I
    CONSTRUCTION MATERIALS Engineering Properties uses and tests for stones and bricks lime -
    sources, types and properties - cement - composition, tests, specifications, properties - types of
    cements and admixtures. Miscelklaneous materials - Glass, Rubber Plastics and materials for
    acoustics and insulation.
    UNIT II
    CONSTRUCTION PRACTICE Stone Masonry - Classification, construction details and supervision -
    Brick Masonny - bonds - Damp proof courses - construction details of wails and arches. Shoring,
    scaffolding, underpinning. Floor finishes and roof coverings. Stairs and stair cases - Layout - types -
    suitability, Doors, Windows and ventilators Types - Selection, Fire resistant structure.
    UNIT III
    ENGINEERING SURVEY Levelling - Types - LS and CS contouring calculation of areas and volume
    Theodoite survey - Traversing - Heights and Distances Techeemetry - Modern surveying
    instruments. Selting out of curves Permanent adjustments of levels and theodelites.
    UNIT IV
    ESTIMATING AND COSTING Types of estimates - Writing technical specifications and tender
    documents. Types of contracts - terms and conditions conflicts and arbitration - Rate Analysis -
    schedule of rates Valuation and Rent fixation.
    UNIT V
    STRENGTH OF MATERIALS Stresses and strains - Elastic constants, - shear and tension
    compound strees principal stresses and planes Theeries of failure. Theory of simple pending - shear
    stress - distribution in beams Deflection of beams Strain energy in elastic deformation, impact
    fatigue and creep.
    UNIT VI
    THEORY OF STRUCTURES Proposed cantilever and fixed beams Continueous beams - Theorem
    of three moments - portal frames - moment distribution method - Colomns - short & long columns,
    unsymmetrical sections. Euler`s theory - critical leads for different end conditions Analyusis of
    arches - Eddy`s theorem - suspension bridges /moving leads - influence lines. Domes and Retaining
    walls - stabilityh conditions - checking.
    UNIT VII
    SOIL MECHANICS Site Investigation and Soil sampling - classification of soil Engineering properties
    of soil - SPT and its interpretation soil - Water interaction - permeability, seepage shear strength of
    soils - Determination of C and V Stress distribution in soils - Boussinesq`s and Wester - gaard`s.
    Theory of consolidation - consolidation test. compaction of soils - Meisture density relationship -
    stability of slopes analysis.
    UNIT VIII
    FOUNDATION ENGINEERING Shallow Foundations Bearing capacity Theory - Settlement analysis
    Methods of improving - bearing capacity and minimising settlement - Types of footings - Design
    principles mat foundations. Deep foundations - Piles - Static and Dynamic formulac - Pile cap -
    group of piles - pile lead test. Retaining walls - Earth pressure theories.
    UNIT IX
    WATER SUPPLY & TREATMENT Estimation of water resources - Ground water hydraulics for
    ecasting demand hydraulics. Forecasting demand - Impurities of water - physical, chemical and
    11
    bacterielogical analysis - water bern diseases - pumping and gravity schemes - Water treatment
    plants chlorination.
    UNIT X
    SEWAGE TREATMENT & POLLUTION CONTROL Disposal of sanitary sewage - sewer systems -
    design flow for separate, sterm and combined systems - sewer design sewer Appurtenances -
    Seweage pumping - Types of pumps. Sewage Treatment primary , secondry and tertiary levels
    plants - Sludge treatment and disposal Industrial watches Rural sanitation - Air pollution - Solid
    waste management.
    PAPER -II
    UNIT I
    CONCRETE TECHNOLONY RC Tests on cement and aggregates - High grade cements High
    strength concrete Testing of fresh and hardend concrete - Non destructive testing - Concrete mix
    design - IS method quality control - cetering and shuttering sheet piles - slips and moving forms.
    Coincrete hollow block masonry Construction joints.
    UNIT II
    DESIGN OF R.C. ELEMENTS Methods of design of concrete members. Limit state and working
    stress design Design of flexural members. Design of singly and doubly reinforced rectangular and
    flanged Design of slabs and columns R.C. footings
    UNIT III
    MISCELLANEOUS STRUCTURES Steel structures - welded connections - Design of tension and
    compression members - trusses Design of purlins - Design of steel columns & beams. Design and
    construction of prestressed concrete beams - Design of masonry Chimneys and stacks.
    UNIT IV
    WATER RESOURCES ENGINEERING Water Resources in Tamil Nadu Water Resource Planning .
    Master Plan for water. Water budget & Development Plan. Reservoir planning & Management.
    Flood control. Chennel improvement Land Management.
    UNIT V
    IRRIGATION ENGINEERING Soil Plant Water Relationship - Water requirement of crops - Irrigation
    methods. Irrigation efficiencies. Water logging & consequences - Salinity & alkalinity. Reclamation.
    Head works and distribution works. Cross drainage works.
    UNIT VI
    TRAFFIC ENGINEERING Traffic Engineering and Traffic surveys - Intersections, road signals and
    markings - grade separations - parking & traffic control - Traffic regulation & safety. Accident
    investigation - measures for accident reduction. Traffic Management
    UNIT VII
    HIGHWAY ENGINEERING Highway planning in India - Road classification - Geometric design of
    highways. Construction of Earth WBM, bituminous and concrete roads - Design of flexible and rigid
    pavements. Design of joints in cement concrete roads - Drainage of roads - Maintenance of Roads.
    UNIT VIII
    RAILWAYS AIRPORTS AND HARBOURS Details of components of permanent way - geometric
    design - points & croissing - signalling Interlocking and level crossings. Airport planning Components
    of Airport - Site selection - Airport zonin g - planning of terminal buildings. Harbours & Ports - types -
    com ponents & their functions - Layout of a harbour - Docks - Wet and dry - Break waters.
    UNIT IX
    PROJECT MANAGEMENT Construction Management - Inportance and scope. Construction
    planning scheduling and monitoring - Cost control Quality control and inspection Network analysis
    by CPM and PERT - Determination of Critical path & floats - Project Management using CPM/PERT
    UNIT X
    COMPUTER APPLICATIONS Types of computers - conponents of moder computer systems -
    Office Automation - Word processing, spread sheets and database management - Developing Flow
    charts for solving Engineering problems - Computer Aided Design and drafting - Advantages of
    Computer Aided drafting over traditional drafcting - Developing 2D, 3D drawings and solid
    modelling.
    Paper 2 - TNPSC Combined Engineering Services Exam General Studies Syllabus

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    [Quiz] Aptitude - Percentage

    Start the Exam After Clicking on the timer
    Coffee Timer
     

    1. [TNPSC 2013] One Litre of water is added to 5 litres of a 20% solution of alcohol in water. the strength of alcohol in the new solution is
      1.  15 %
      2.  16 %
      3.  16 2/3 %
      4.  20 %

    2. [TNPSC 2013] 5% income of X is equal to 15% income of Y and 10% income of Y is equal to 20% income of Z. If the income of Z is Rs.3,000 then total income of X,Y and Z in Rupees is
      1.  12,000
      2.  16,000
      3.  18,000
      4.  27,000

    3. [TNPSC 2013] If the cost of 12 Articles is equal to the selling price of 10 Articles, the profit percent in the transaction is
      1.  20 %
      2.  25 %
      3.  18 %
      4.  16 2/3 %

    4. [TNPSC 2013]  If A's height is 25% less than that of B, then how much percent is B's height more than that of A?
      1.  50 %
      2.  45 %
      3.  22 1/3 %
      4.  33 1/3 %

    5. [TNPSC 2013] A table is sold for Rs. 414 at a profit of 15%. How much did it cost?
      1.  Rs. 400
      2.  Rs. 314
      3.  Rs. 326
      4.  Rs. 360


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    Saturday, April 26

    TNPSC Combined Engineering Services Exam - General Studies Syllabus Paper 2 - www.tnpsc.gov.in

    TNPSC Combined Engineering Services Exam - General Studies Syllabus Paper 2, Study Material Download

    PAPER-II GENERAL STUDIES Degree Standard

    TNPSC General Studies/ General Knowledge Book List

    Unit-I General science :
    Physics Universe-General Scientific laws-Scientific instruments-Inventions and discoveries-National scientific laboratories-Science glossary-Mechanics and properties of matter-Physical quantities, standards and units-Force, motion and energy-Electricity and Magnetism, Electronics and Communication -Heat, light and sound-Atomic and nuclear physics-Solid State Physics – Spectroscopy- Geophysics - Astronomy and space science

    Chemistry Elements and Compounds-Acids, bases and salts-Oxidation and reduction-Chemistry of ores and metals-Carbon, nitrogen and their compounds-Fertilizers, pesticides, insecticides- Biochemistry and biotechnology-Electrochemistry-Polymers and plastics

    Botany-Main Concepts of life science-The cell-basic unit of life-Classification of living organism- Nutrition and dietetics-Respiration-Excretion of metabolic waste-Bio-communication.

    Zoology-Blood and blood circulation-Endocrine system-Reproductive system-Genetics the science of heredity-Environment, ecology, health and hygiene, Bio- diversity and its conservation-Human diseases-Communicable diseases and non- communicable diseases- prevention and remedies- Alcoholism and drug abuse-Animals, plants and human life

    Unit- II. Current Events
    History--Latest diary of events – National--National symbols-Profile of States-Defence, national security and terrorism-World organizations-pacts and summits-Eminent persons & places in news- Sports & games-Books & authors -Awards & honours-Cultural panorama-Latest historical events-- India and its neighbours-- Latest terminology- Appointments-who is who?

    Political Science-1. India’s foreign policy-2. Latest court verdicts – public opinion-3. Problems in conduct of public elections-4. Political parties and political system in India-5. Public awareness & General administration-6. Role of Voluntary organizations & Govt.,-7. Welfare oriented govt. schemes, their utility

    Geography Geographical landmarks-Policy on environment and ecology—

    Economics--Current socio-economic problems-New economic policy & govt. sector

    Science-Latest inventions on science & technology-Latest discoveries in Health Science-Mass
    media & communication.

    Unit-III. Geography
    Earth and Universe-Solar system-Atmosphere hydrosphere, lithosphere-Monsoon, rainfall, weather and climate-Water resources --- rivers in India-Soil, minerals & natural resources-Natural vegetation- Forest & wildlife-Agricultural pattern, livestock & fisheries-Transport including Surface transport & communication-Social geography – population-density and distribution-Natural calamities – disaster management-Climate change - impact and consequences - mitigation measures-Pollution Control.

    Unit-IV. History and culture of India
    Pre-historic events--Indus valley civilization-Vedic, Aryan and Sangam age-Maurya dynasty- Buddhism and Jainism-Guptas, Delhi Sultans, Mughals and Marathas-Age of Vijayanagaram and the bahmanis-South Indian history-Culture and Heritage of Tamil people-Advent of European invasion-Expansion and consolidation of British rule-Effect of British rule on socio-economic factors- Social reforms and religious movements-India since independence-Characteristics of Indian culture- Unity in diversity –race, colour, language, custom-India-as secular state-Organizations for fine arts, dance, drama, music-Growth of rationalist, Dravidian movement in TN-Political parties and populist schemes- Prominent personalities in the various spheres – Arts, Science, literature and Philosophy – Mother Teresa, Swami Vivekananda, Pandit Ravishankar , M.S.Subbulakshmi, Rukmani Arundel and J.Krishnamoorthy etc.

    Unit-V Indian Polity
    Constitution of India-. Preamble to the constitution- Salient features of constitution- Union, State and territory- Citizenship-rights amend duties- Fundamental rights- Fundamental duties- Human rights charter- Union legislature – Parliament- State executive- State Legislature – assembly- Status of Jammu & Kashmir- Local government – panchayat raj – Tamil Nadu- Judiciary in India – Rule of law/Due process of law- Indian federalism – center – state relations-. Emergency provisions- Civil services in India- Administrative challenges in a welfare state- Complexities of district administration- Elections - Election Commission Union and State. Official language and Schedule-VIIIAmendments to constitution- Schedules to constitution-. Administrative reforms & tribunals- Corruption in public life- Anti-corruption measures – Central Vigilance Commission, lok-adalats, Ombudsman, - Comptroller and Auditor General of India- Right to information - Central and State Commission- Empowerment of women- Voluntary organizations and public grievances Redressal- Consumer protection forms

    Unit- VI. Indian economy
    Nature of Indian economy-Need for economic planning-Five-year plan models-an assessment-Land reforms & agriculture-Application of science in agriculture Industrial growth-Capital formation and investment-Role of public sector & disinvestment-Development of infrastructure- National income- Public finance & fiscal policy- Price policy & public distribution- Banking, money & monetary policy- Role of Foreign Direct Investment (FDI)- WTO-globalization & privatization- Rural welfare oriented programmes- Social sector problems – population, education, health, employment, poverty-HRD – sustainable economic growth- Economic trends in Tamil Nadu -Energy Different sources and development- Finance Commission -Planning Commission- National Development Council

    Unit-VII. Indian national movement
    National renaissance-Early uprising against British rule-1857 Revolt- Indian National Congress- Emergence of national leaders-Gandhi, Nehru, Tagore, Nethaji -Growth of militant movements - Different modes of agitations-Era of different Acts & Pacts-World war & final phase struggle- Communalism led to partition-Role of Tamil Nadu in freedom struggle - Rajaji, VOC, Periyar, Bharathiar & Others-Birth of political parties /political system in India since independence-

    Unit-VIII. APTITUDE AND MENTAL ABILITY TESTS
    Conversion of information to data-Collection, compilation and presentation of data - Tables, graphs, diagrams-Parametric representation of data-Analytical interpretation of data -Simplification- Percentage-Highest Common Factor (HCF)-Lowest Common Multiple (LCM)-Ratio and Proportion- Simple interest-Compound interest-Area-Volume-Time and Work-Behavioral ability -Basic terms, Communications in information technology-Application of Information and Communication Technology (ICT)- Decision making and problem solving-Logical Reasoning-Puzzles-Dice-Visual Reasoning-Alpha numeric Reasoning-Number Series-Logical Number/Alphabetical/Diagrammatic Sequences-

    TNPSC General Studies/ General Knowledge Book List

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    Friday, April 25

    Aptitude: Percentage Problem Tricks for Competitive Exams

    Percentages
    A good thing about percentage is that you don't need to learn any difficult formulas. For most of the problems you need to do a simple multiplication to get the result.

    Very few problems are asked directly from Percentage type.
    For example: Let A=50, B=100. What percentage is A of B ?

    Usually the percentage based problems are asked from the Profit - Loss, Distance - Time and other Sections (These topics will be covered in our upcoming tutorials).
    For example: A table is sold for Rs. 414 at a profit of 15%. How much did it cost?[TNPSC Group 2 2013 Question]
    So it is also important to have a little knowledge about these sections too to solve a percentage based problem without any confusions.

    Percentage in simple terms is the number out of 100 or value per 100. 

    Type 1: Finding the percentage of one item from a number of Items
    In a class room of 150 students, 50 students were present. find the percentage of students present and absent respectively?
    To find the percentage, keep the total number in the denominator and the required number in the numerator and multiply it with 100.

    In this problem
    Percentage = (Numerator/Denominator)x100 = (required number/total number)x 100
    Percentage of Students present = (50/150) x 100 = 33.33%
    Percentage of Students Absent = (100/150) x 100 = 66.66% 
    Do it yourself Problems:
    1. An Automobile company produces both two wheeler and Four Wheeler vehicles. The number of two wheeler produced in one month is 320 out of the total 1000 vehicles. Find the percentage of number of Four Wheeler vehicles produced? 
    Type 2: Finding the Number or Value from the number of Items for the given Percentage.
    In a class room of 160 students, 75% of the students were present. find the number of students present and absent respectively? 
    Number = (required percentage / 100) x Total Number
    Number of Students Present = (75/100) x 160 = 120
    Number of Students Absent = (25/100) x 160 = 40

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