ONGC Recruitment Syllabus for Instrumentation

I have applied for the Oil and Natural Gas Limited (ONGC) Recruitment . Will you please provide the ONGC Instrumentation Engineering exam syllabus for preparation ?

[Rajkumar Agarwal]

As you are looking for the ONGC Instrumentation Engineering exam syllabus , here I am providing same for you .

Basics of Circuits and Measurement Systems:It includes the basic knowledge regarding circuits and its different measurement system.It include topics- Kirchoff’s laws, nodal and mesh Analysis. Circuit theorems. Two-port and one-port Network Functions. dynamic and static characteristics of Measurement Systems. Statistical analysis of data and curve fitting. Error and uncertainty analysis.

Transducers, Mechanical Measurement and Industrial Instrumentation: Transducer changes one form of energy into another.It include topics-Capacitive ,Resistive, Inductive and piezoelectric transducers and their signal conditioning. Measurement of Velocity, displacement and acceleration (rotational and translational ), force, vibration, torque and shock. Measurement of pressure, temperature, flow and liquid level. Measurement of pH, viscosity, conductivity and humidity.

Analog Electronics: Electronic systems/devices having continuous variable signal. It include topics-Characteristics of diode, JFET,BJT and MOSFET. Diode circuits. Transistors at high and low frequencies, Amplifiers, multi-stage and single-stage. Feedback amplifiers. Operational amplifiers, characteristics and circuit configurations. Instrumentation amplifier. Precision rectifier. I-to-V and V-to-I converter. Op-Amp based active filters. Oscillators and signal generators.

Digital Electronics: Electronic systems that consists of discrete values of signal.It include topics-Combinational logic circuits, minimization of Boolean functions. IC families, MOS, TTL and CMOS. Arithmetic circuits. Schmitt trigger, Comparators, timers and mono-stable multi-vibrator. Sequential circuits, counters, flip-flops, shift registers. Multiplexer, S/H circuit. Digital-to-Analog converters and Analog-to-Digital. Basics of number system. Microprocessor applications, input-output interfacing and memory. Microcontrollers.

Signals, Systems and Communications: A signal that carry a information.System is a set of components which interact with each other to form an integrated whole.It include topics-.aperiodic and periodic signals. Impulse response, transfer function and frequency response of second and first order systems. Convolution, correlation and characteristics of linear time invariant systems. Discrete time system, frequency and impulse response. Pulse transfer function. FIR and IIR filters. frequency and Amplitude modulation and demodulation. Sampling theorem, pulse code modulation. time and frequency division multiplexing. Frequency shift keying, Amplitude shift keying and pulse shift keying for digital modulation.

Electrical and Electronic Measurements:It make use of electronic systems that is used to affect electrons or their associated fields.It include topics-potentiometers and Bridges, measurement of R,C and L. Measurements of current,Voltage, power factor, power and energy. D.C & A.C current probes. Extension of instrument ranges. Q-meter and waveform analyzer. Digital voltmeter and multi-meter. phase, Time and frequency measurements. Cathode ray oscilloscope. parallel and Serial communication. Shielding and grounding.

Control Systems and Process Controlevices that control,administer,supervise or directs other devices.It include topics- Signal flow graphs. Feedback principles. Transient Response, steady-state-errors. Nyquist and Routh criteria. root loci Bode plot. Time delay systems. Gain and phase margin. State space representation of systems. hydraulic, mechanical and pneumatic system components. Synchro pair, servo and step motors. On-off, cascade, P-I,P, P-I-D, feed forward and derivative controller, Fuzzy controllers.

Analytical, Optical and Biomedical Instrumentation: Large class of instruments use to study materials and to set up the composition.Develop, manufacture and utilize tools for optical purpose(optical) . To Monitore low voltage biological signals(biomedical).It include topics-Mass spectrometry. UV, visible and IR spectrometry. X-ray and nuclear radiation measurements. Optical sources and detectors, laser,LED, Photo-diode, photo-resistor and their characteristics. Interferometers, applications in metrology. Basics of fiber optics. Biomedical instruments, ECG,EEG and EMG. Clinical measurements. Ultrasonic transducers and Ultrasonography. Principles of Computer Assisted Tomography

Hello sir, I’m preparing for ONGC recruitment exam for instrumentation. And I’, searching syllabus for ONGC Recruitment Instrumentation? Is there any one have present syllabus then please provide me?

[Raman Vij]

ONGC recruitment question paper will be based on following pattern:

The 3 sections or syllabus of the ONGC Examination are

General Awareness
Concerned Subject
Aptitude Test

Reading Comprehension
Verbal/ Non-verbal Reasoning
Numerical Ability/ Quantitative Aptitude
Data Interpretation

General English for ONGC Exams Prep Course:

English Usage
Spotting Errors
Analogy
Sentence Improvement
Selecting Word
Sentence Arrangement
Antonyms
Synonyms
Idioms
Comprehensive
One Word Substitution

Here I’m giving you few questions of ONGC Instrumentation:

1. no of timers of 8051.
2. no. of interrupts of 8051 excluding reset.
3. Addressing mode of SHLD 2050H.
4. MN/MX pin - multiprocessor mode.
5. why twisted pair of wires is used in instrumentation ?
6. clock frequency of 8051 micro-controller.
7. cheapest instru-- PMMC, EDM, rectifier, thermocouple.
8. numerical on resolution of ADC
9. numerical on total power transmission in AM
10. interrupt controller
11. dummy strain guage
12. numerical on PCM.
13.materials of core and cladding
14. optical fiber losses.
15. numerical aperture
16. no of comparators in flash converter.
17. potentiometer : it is null or deflecting instrument
18. difference between null and deflecting instrument.
19. is multiplexing used in 8085 or not ?
20. 3-4 questions on optical fiber : data based.
21. calibration of instruments.
22. capacitive transducer : dielectric type.
23. mod 6 counter : no. of FF used.
24. 3-4 ques of instrumentation : data based.