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#1
December 30th, 2013, 06:15 PM
 Super Moderator Join Date: Dec 2012
TNPSC Combined Engineering Services Exam Paper

Give me process to get the question paper for the combined engineering examination conducted by the Tamil Nadu Public Service Commission ??

As you are looking for the TNPSC Combined Engineering Services Exam question paper

So here I am providing you the question paper of Electrical and Instrumentation Engineering of TNPSC Combined Engineering Services Exam

The question paper is based on the following topics

PAPER-I

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
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
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
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.
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.
 TNPSC Combined Engineering Services Exam Paper.pdf (698.9 KB, 48 views)

Last edited by Aakashd; February 24th, 2020 at 10:32 AM.

#2
December 31st, 2013, 11:42 AM
 Super Moderator Join Date: Jun 2013
Re: TNPSC Combined Engineering Services Exam Paper

Tamilnadu Public Service Commission is a state level government organization that offered many examination for recruitments .

Here I am giving you process to get the question paper for the combined engineering examination conducted by the Tamil Nadu Public Service Commission

==firstly go on the official website of Tamil Nadu Public Service Commission
===then click on the previous year paper option given on the Home page of It
===now you will get the list of all question papers now click on the combined engineering examination option and get the question paper in PDF format ..

for your help I am attaching PDF file with it in which you will get question paper for the combined engineering examination ..

contact details :
V.O.C.Nagar, Park Town, Chennai-600003, Tamil Nadu, INDIA
Phone: +91-44-25300300 (12 Lines) Fax: +91-44-25300598
E-mail: coetnpsc.tn@nic.in, contacttnpsc@gmail.com
 TNPSC combined engineering examination paper.pdf (698.9 KB, 94 views) TNPSC combined engineering examination paper 1.pdf (660.1 KB, 76 views)
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