ONGC Electronics Syllabus

I need ONGC Electronics and Communication Engineering Syllabus, will you please provide here???

[Kiran Chandar]

You need ONGC Electronics and Communication Engineering exam Syllabus, I am giving here:

Electronics and Communication Engineering

Engineering Mathematics

Linear Algebra: Matrix Algebra, Systems of linear equations, Eigen values and eigen vectors.

Calculus: Mean value theorems, Theorems of integral calculus, Evaluation of definite and improper integrals, Partial Derivatives, Maxima and minima, Multiple integrals, Fourier series. Vector identities, Directional derivatives, Line, Surface and Volume integrals, Stokes, Gauss and Green's theorems.

Differential equations: First order equation (linear and nonlinear), Higher order linear differential equations with constant coefficients, Method of variation of parameters, Cauchy's and Euler's equations, Initial and boundary value problems, Partial Differential Equations and variable separable method.

Complex variables: Analytic functions, Cauchy's integral theorem and integral formula, Taylor's and Laurent' series, Residue theorem, solution integrals.

Probability and Statistics: Sampling theorems, Conditional probability, Mean, median, mode and standard deviation, Random variables, Discrete and continuous distributions, Poisson, Normal and Binomial distribution, Correlation and regression analysis.

Numerical Methods: Solutions of non-linear algebraic equations, single and multi-step methods for differential equations.

Transform Theory: Fourier transform, Laplace transform, Z-transform.

GENERAL APTITUDE(GA):
Verbal Ability: English grammar, sentence completion, verbal analogies, word groups, instructions, critical reasoning and verbal deduction.

Electronics and Communication Engineering

Networks: Network graphs: matrices associated with graphs; incidence, fundamental cut set and fundamental circuit matrices. Solution methods: nodal and mesh analysis. Network theorems: superposition, Thevenin and Norton's maximum power transfer, Wye-Delta transformation. Steady state sinusoidal analysis using phasors. Linear constant coefficient differential equations; time domain analysis of simple RLC circuits, Solution of network equations using Laplace transform: frequency domain analysis of RLC circuits. 2-port network parameters: driving point and transfer functions. State equations for networks.

Electronic Devices: Energy bands in silicon, intrinsic and extrinsic silicon. Carrier transport in silicon: diffusion current, drift current, mobility, and resistivity. Generation and recombination of carriers. p-n junction diode, Zener diode, tunnel diode, BJT, JFET, MOS capacitor, MOSFET, LED, p-I-n and avalanche photo diode, Basics of LASERs. Device technology: integrated circuits fabrication process, oxidation, diffusion, ion implantation, photolithography, n-tub, p-tub and twin-tub CMOS process.

Analog Circuits: Small Signal Equivalent circuits of diodes, BJTs, MOSFETs and analog CMOS. Simple diode circuits, clipping, clamping, rectifier. Biasing and bias stability of transistor and FET amplifiers. Amplifiers: single-and multi-stage, differential and operational, feedback, and power. Frequency response of amplifiers. Simple op-amp circuits. Filters. Sinusoidal oscillators; criterion for oscillation; single-transistor and op-amp configurations. Function generators and wave-shaping circuits, 555 Timers. Power supplies.

Digital circuits: Boolean algebra, minimization of Boolean functions; logic gates; digital IC families (DTL, TTL, ECL, MOS, CMOS). Combinatorial circuits: arithmetic circuits, code converters, multiplexers, decoders, PROMs and PLAs. Sequential circuits: latches and flip-flops, counters and shift-registers. Sample and hold circuits, ADCs, DACs. Semiconductor memories. Microprocessor(8085): architecture, programming, memory and I/O interfacing.

Signals and Systems: Definitions and properties of Laplace transform, continuous-time and discrete-time Fourier series, continuous-time and discrete-time Fourier Transform, DFT and FFT, z-transform. Sampling theorem. Linear Time-Invariant (LTI) Systems: definitions and properties; causality, stability, impulse response, convolution, poles and zeros, parallel and cascade structure, frequency response, group delay, phase delay. Signal transmission through LTI systems.

Control Systems: Basic control system components; block diagrammatic description, reduction of block diagrams. Open loop and closed loop (feedback) systems and stability analysis of these systems. Signal flow graphs and their use in determining transfer functions of systems; transient and steady state analysis of LTI control systems and frequency response. Tools and techniques for LTI control system analysis: root loci, Routh-Hurwitz criterion, Bode and Nyquist plots. Control system compensators: elements of lead and lag compensation, elements of Proportional-Integral-Derivative (PID) control. State variable representation and solution of state equation of LTI control systems.

Communications: Random signals and noise: probability, random variables, probability density function, autocorrelation, power spectral density. Analog communication systems: amplitude and angle modulation and demodulation systems, spectral analysis of these operations, superheterodyne receivers; elements of hardware, realizations of analog communication systems; signal-to-noise ratio (SNR) calculations for amplitude modulation (AM) and frequency modulation (FM) for low noise conditions. Fundamentals of information theory and channel capacity theorem. Digital communication systems: pulse code modulation (PCM), differential pulse code modulation (DPCM), digital modulation schemes: amplitude, phase and frequency shift keying schemes (ASK, PSK, FSK), matched filter receivers, bandwidth consideration and probability of error calculations for these schemes. Basics of TDMA, FDMA and CDMA and GSM.

Electromagnetics: Elements of vector calculus: divergence and curl; Gauss' and Stokes' theorems, Maxwell's equations: differential and integral forms. Wave equation, Poynting vector. Plane waves: propagation through various media; reflection and refraction; phase and group velocity; skin depth. Transmission lines: characteristic impedance; impedance transformation; Smith chart; impedance matching; S parameters, pulse excitation. Waveguides: modes in rectangular waveguides; boundary conditions; cut-off frequencies; dispersion relations. Basics of propagation in dielectric waveguide and optical fibers. Basics of Antennas: Dipole antennas; radiation pattern; antenna gain.

Hii Buddy , I Need to ONGC Electronics And Communication (ECE) Engineering
Syllabus , Will you please give me Information about same ?

[Shaleen]

Friend on Your Demanding Here I am Providing Electronics And Communication (ECE) Engineering Syllabus .

ONGC ECE Exam syllabus

Electronics Device
Analog Electronics
Digital Electronics
Control System
Micoprocessor
Electromagnetic theory
Antenna and wave propagation
TV
Instrumentation and Measurement
Network Analysis

Exam pattern :

Test is Objective as well as Subjective (Descriptive):
1) General Awareness (50 Marks):
a. 50 Objective Questions (40 to be attempted, 1 Mark each)
b. 2 Descriptive Type Questions (5 Marks Each)

2) Subject Specialization (100 Marks)
a. 75 Objective Questions (60 to be attempted, 1.5 mark each)
b. 2 Descriptive Type Questions (5 Marks Each)

Here I am Providing Previous year ONGC Electronics And Communication Sample Paper :

1. A differential amplifier amplifies the ---------- between two input signals.
a) addition
b) subtraction
c) multiplication
2. The differential amplifier can amplify ac as well as dc signals
because it
employs ----------.
a)
b)
3. Noise of input signal in differential amplifier
a) increases
b) decreases
c) remains the soul
4. Cascaded differential amplifier requires level translator because of
a) impedance matching
b) isolating each stage
c) d.c.shift.
5. In case of constant current bias ,R1 is replaced by diodes D1 & D2 TO
a) increase the input impedance
b) improve thermal stability
c) increase gain
6. If CMRR is high ,the wide variation of input within the tolerable limits of the
equipment makes output
a) high
b) low
c) the same

7. A binary half adder
a). Adds two binary digits and produces their sum and carry
b). Adds half the sum to the carry
c). Adds two binary digits and carry from previous addition
d). Adds two binary digits at half the speed

8. An index register in a computer is for
a. Arithmetic and logic functions
b. Storage of results
c. Modifying the address
d. Counting the no of programmes

9. An example of volatile memory is
a. RAM b. ROM c. EPROM d. Magnetic tape

10. Barrier voltage in a P-N junction is caused by
a. Thermally generated electrons and holes
b. Diffusion of majority carriers across the junction
c. Migration of minority carriers across the junction
d. Flow of drift current

11. The temperature coefficient of an intrinsic semiconductor is
a. Positive b. Negative c. Zero d. Like metals

12. A silicon transistor has a leakage current 1cbo = 1 ma. If the temp. rises by 50o C the leakage current will be
a. 30 ma b. 32ma c. 50ma d. no change

12. The noise figure of an ideal amplifier in decibel is
a. 0.5 b. 0 c. 1 d. 10

13. The rise time of an amplifier is 200 nsec. Its bandwidth is
a. 70MHz b. 140MHz c. 100MHz d. 1.75Mhz

14. MOSFET operates in
a. Depletion mode only
b. Enhancement mode only
c. Depletion and enhancement mode
d. None of these of the above

15. A device which behaves like SCRs is
a. UJT b. Triac c. MOSFET d. SRD

16. A plate modulated class C RF amplifier produces 100 KW of radiated power at 100 % modulation. The modulating audio amplifier supplies approximately

a. 25KW b. 33KW c. 50KW d. 66KW

17. A 100 MHz FM carrier, modulated by a 5 KHz sine wave deviates by 50 KHz. If the frequency of the modulating sine wave is doubled, the deviation will
a. Double b. Half c. Quadruple d. Have no change

18. Noise generated by a resistor is dependent on
a. Its Value
b. Its temperature
c. Both value and temp
d. None of these

19. A 32 channel 8 bit PCM system samples at 8 KHz rate. The overall bit rate in kilobits per second will be
a. 2048 b. 2000 c. 1920 d. 64

20. Rsistivity ofGermanium in ohms cm. is approx. equal to
a. 50 b. 10-12 c. 50k d. 10-6

21. The number of free electrons/cubic cm intrinsic Germanium at room temperature is approx. equal to
a. 1.5*1010 b. 2.5*1013 c. 1000 d. 5*106

22. The number of free electrons/cubic cm of intrinsic silicon at room temperature is approx. equal to
a. 1.5*1010 b. 2.5*1013 c. 10000 d. 5*106

23. The forbidden energy gap for silicon is
a. 1.1eV b. 067eV c. 0.97eV d. 1.7eV

24. The forbidden energy gap for Germanium is
a. 1.1eV b. 067eV c. 0.97eV d. 1.7eV

25. N type material is formed by the addition of the following (penta valent )atom in n to semiconductor material
a. Antimony
b. Arsenic
c. Phosphorous
d. Any of the above

26. P type material is formed by the addition of the following [Trivalent] atom tn to semiconductor material
a. Boron b. Gallium c. Indium d. Any of the above

27. Impurity atoms that produces N type material by its addition in semiconductor is called
a. Donar b. Acceptor c. Conductor d. Insulator

28. Impurity atoms that produces P type material by its addition in semiconductor is called
a. Donar b. Acceptor c. Conductor d. Insulator

29. Dynamic resistance of a diode Rd is if voltage changes is DVd and the current change is D Id
a. D Vd / D Id
b. D Id / D Vd
c. 1 / DVd
d. 1 / D Id

30. Point contact diodes are preferred at very high frequency, because of its low junction
a. Capacitance and inductance
b. Inductance
c. Capacitance

Hello sir, I want syllabus of ONGC for electronics branch. Can any one provide me here? Please give me ONGC Electronics syllabus?

[Shaleen]

Almost Every year ONGC invites application from fresher young engineers for the post of Graduate Trainees.

ONGC electrical syllabus based on its paper pattern:

Pahse: 1
Subject Discipline
General Awareness
Reasoning

Phase: 2
Subject Discipline
General Awareness

ONGC syllabus ECE:

1. 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.

2. 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.

3. 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.

4. 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.

5. 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.

6. 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.

7. 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.

8. 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.

9. 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.

10. COMMUNICATIONS 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.

11. 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.

12. 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.