Instrumentation Engineering (IE)

General Aptitude (GA): Common to All Papers Engineering

Verbal Ability

English grammar, sentence completion, verbal analogies, word groups, instructions, critical reasoning and verbal deduction.

Numerical Ability

Numerical computation, numerical estimation, numerical reasoning and data interpretation.

Engineering Mathematics

Linear Algebra

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


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.

Instrumentation Engineering

Basics of Circuits and Measurement Systems

Kirchoff’s laws, mesh and nodal Analysis.Circuit theorems. One-port and two-port Network Functions. Static and dynamic characteristics of Measurement Systems.Error and uncertainty analysis.Statistical analysis of data and curve fitting.

Transducers, Mechanical Measurement and Industrial Instrumentation

Resistive, Capacitive, Inductive and piezoelectric transducers and their signal conditioning.Measurement of displacement, velocity and acceleration (translational and rotational), force, torque, vibration and shock.Measurement of pressure, flow, temperature and liquid level.Measurement of pH, conductivity, viscosity and humidity.

Analog Electronics

Characteristics of diode, BJT, JFET and MOSFET.Diode circuits.Transistors at low and high frequencies, Amplifiers, single and multi-stage.Feedback amplifiers.Operational amplifiers, characteristics and circuit configurations.Instrumentation amplifier.Precision rectifier.V-to-I and I-to-V converter. Op-Amp based active filters. Oscillators and signal generators.

Digital Electronics

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

Signals, Systems and Communications

Periodic and aperiodic signals.Impulse response, transfer function and frequency response of first- and second order systems.Convolution, correlation and characteristics of linear time invariant systems.Discrete time system, impulse and frequency response. Pulse transfer function. IIR and FIR filters. Amplitude and frequency modulation and demodulation.Sampling theorem, pulse code modulation.Frequency and time division multiplexing. Amplitude shift keying, frequency shift keying and pulse shift keying for digital modulation.

Electrical and Electronic Measurements

Bridges and potentiometers, measurement of R,L and C. Measurements of voltage, current, power, power factor and energy. A.C & D.C current probes. Extension of instrument ranges. Q-meter and waveform analyzer.Digital voltmeter and multi-meter.Time, phase and frequency measurements.Cathode ray oscilloscope.Serial and parallel communication.Shielding and grounding.

Control Systems and Process Control

Feedback principles. Signal flow graphs. Transient Response, steady-state-errors.Routh and Nyquist criteria. Bode plot, root loci. Time delay systems.Phase and gain margin.State space representation of systems.Mechanical, hydraulic and pneumatic system components.Synchro pair, servo and step motors. On-off, cascade, P, PI, P-I-D, feed forward and derivative controller, Fuzzy controllers.

Analytical, Optical and Biomedical Instrumentation

Mass spectrometry.UV, visible and IR spectrometry.X-ray and nuclear radiation measurements.Optical sources and detectors, LED, laser, Photo-diode, photo-resistor and their characteristics.Interferometers, applications in metrology.Basics of fiber optics. Biomedical instruments, EEG, ECG and EMG. Clinical measurements.Ultrasonic transducers and Ultrasonography. Principles of Computer Assisted Tomography.

Reference Books :




Reference Books


Higher Engineering Mathematics – Dr. BS Grewal
Advance Engineering Mathematics –  Erwin Kreyszig
Advance Engineering Mathematics – Dr. HK Dass

    Signals, Systems and Communications:

Signals & Systems – Oppenheim & Schafer
Signals & Systems – Simon Hykin & Barry Van Veen
Discrete Time Signal Processing – Oppenheim & Schafer 
Analog & Digital signal Processing- Ashok Ambarder 
Digital Signal Processing – Proakis
Electronic communication system  - Kennedy
Communication systems – Simon Hykin
Principals of communication systems – Taub & Schilling 
Analog Communication – Proakis
Digital Communication- Proakis

  Control Systems and Process Control

Control System Engg. - Nagrath & Gopal
Automatic Control Systems - Benjamin C Kuo
Modern Control System – Katsuhiko Ogata
Process Control Instrumentation Technology- Curtis D. Johnson

Basics of Circuits and Measurement Systems

Network Analysis – Van Valkenburg
Networks & System – D Roy & Choudhary
Engineering circuit analysis – Hayt & Kammerly

    Analog Circuits

Micro Electronics circuit – Sedra  & Smith
Integrated Electronics : Analog & Digital circuits and system – Millman & Halkias
Electronics devices and circuits – Boylestead
Op-Amp & Linear Integrated Circuits – Gaikwad
Linear Integrated circuits – Bakshi & Bakshi
Micro Electronic Circuits – Neamen
Micro electronic circuits - Rashid

  Digital circuits

Digital Electronics – Morris Mano 
Digital principles & Design  - Donald Givone 
Digital circuits – Taub & Schilling
Microprocessor – Ramesh Gaonker

Transducers, Mechanical Measurement and Industrial Instrumentation:

Electronic Measurements & Instrumentation - A.K.Sawhney
Measurement Systems - Application and Design, Fourth edition- Doebelin E.O

Electrical and Electronic Measurements:

Electronic Measurements & Instrumentation - A.K.Sawhney 
Electronic Measurement - Godse & Bakshi

  Analytical, Optical and Biomedical Instrumentation:

Electronic Measurements & Instrumentation - A.K.Sawhney
Analytical Instrumentation- Bela G. Liptak 
Introduction to Fiber Optics- Ghatak, A, Thyagarajan, K


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