Instrumentation Engineering (IN) Gate Previous year Questions Papers (2007-2022) DOWNLOAD free

Instrumentation Engineering (IN) Gate Previous year Questions Papers (2007-2022) DOWNLOAD | Gate Instrumentation Engineering Previous Years Question Papers pdf download

Instrumentation Engineering (GE) Gate Previous year Questions Papers (2022) DOWNLOAD

Instrumentation Engineering

GATE Syllabus for Instrumentation Engineering 2022 consists of 10 major topics including Engineering Mathematics that are based on the principle and operation of measuring instruments used in fields of design, configuration of automated systems, etc. GATE question paper for Instrumentation Engineering is divided into three sections- General Aptitude, Engineering Mathematics and Core Discipline. The core subjects for Instrumentation Engineering carry the highest weightage with 72%. 

Digital and MicroProcessor carries the highest weightage in the GATE Syllabus for Instrumentation Engineering 2022. The candidates who are appearing for GATE Instrumentation Engineering paper can also appear for any one of the following papers i.e., GATE Electronics and Communication Engineering, GATE Electrical Engineering or GATE Physics.

GATE 2022 Exam Pattern : Instrumentation Engineering

If you are preparing  for this exam from Instrumentation Engineering  then first you  must know about the complete details of the examination like syllabus, number of Questions ,types of questions etc. to go straight forward towards your goals. There is a fixed pattern of conducting the GATE exam for almost every subjects.

Mode of ExaminationOnline Computer Based Test (CBT)
Exam Duration 3 Hours (180 Minutes)
Sectional Time LimitNone
SubjectInstrumentation Engineering (IN)
Total Number of questions65
Language English 
Total Number of Questions65 Questions
Type of QuestionsMultiple Choice Questions (MCQ);
Multiple Select Questions (MSQ);
Numerical Answer Type (NAT) Questions
Total Marks100 Marks
Marking Scheme1 or 2 marks for the each correct answer For 1 mark MCQ, 1/3 mark will be deducted for a wrong answer;

For 2-mark MCQ, 2/3 mark will be deducted for a wrong answer;

And for MSQs and NATs there is No any negative marking

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GATE Exam Pattern for Instrumentation Engineering 2022 

  • Mode of Examination: Online
  • Duration of Exam: 3 hours
  • Types of Questions: MCQs and NAT
  • Sections: 12 sections in GATE Instrumentation Engineering
  • Total Questions: 65 questions
  • Total Marks: 100 marks
Section Total Marks
General Aptitude15% of the total marks
Engineering Mathematics13% of the total marks
Core Discipline- INElectricity and MagnetismElectrical Circuits and MachinesSignals and SystemsControl SystemsAnalog ElectronicsDigital ElectronicsMeasurementsSensors and Industrial Instrumentation72% of the total marks

GATE Instrumentation Engineering Marking Scheme 2022 

  • Correct Answer: 1 or 2 Marks
  • Negative Marking: For MCQs only
Type of questionNegative marking for wrong answer
MCQs1/3 for 1 mark questions 2/3 for 2 marks questions
NATs, MSQsNo negative marking 

GATE Instrumentation Engineering: Topic-wise Weightage

GATE IN TopicsWeightageNumber of QuestionsSub-Topics Covered
General Aptitude15%10
Engineering Mathematics11%7Complex variable Probability density, limit, Determinant function
Network Theory4%3
Digital Circuits8%5ATOD or D/A converter, flash type ADC, multiplexer
Signals and Systems8%5Laplace transformer, Basic properties of signal
Control Systems6%4Time response Analysis
Measurements12%8AC, bridge
Analog Circuits8%5Application of op-amp amplifier
Communication3%2
Transducers8%5Pressure measurement, temperature measurement, resistive, capacitive and inductive transducer
Optical Instrumentation5%3Laser, optical fiber, interferometer
Process Control1%1PID controller

GATE Syllabus for Instrumentation Engineering (IN) 2022

GATE syllabus for Instrumentation Engineering divided into 10 important topics including engineering mathematics. Candidate can check the detailed GATE Syllabus for Instrumentation Engineering (IN) with all the important topics and sub-topics: 

Important Topics for GATE Instrumentation Engineering Syllabus
Engineering MathematicsElectricity and Magnetism
Electrical Circuits and MachinesSignals and Systems
Control SystemsAnalog Electronics
Digital ElectronicsMeasurements
Sensors and Industrial InstrumentationCommunication and Optical Instrumentation

Section 1: Engineering Mathematics

  • Linear Algebra: Matrix algebra, systems of linear equations, consistency and rank, Eigen values and Eigen vectors. 
  • Calculus: Mean value theorems, theorems of integral calculus, partial derivatives, maxima and minima, multiple integrals, Fourier series, vector identities, line, surface and volume integrals, Stokes, Gauss and Green’s theorems. 
  • Differential equations: First order equation (linear and nonlinear), second order linear differential equations with constant coefficients, method of variation of parameters, Cauchy’s and Euler’s equations, initial and boundary value problems, solution of partial differential equations: variable separable method. 
  • Analysis of complex variables: Analytic functions, Cauchy’s integral theorem and integral formula, Taylor’s and Laurent’s series, residue theorem, solution of integrals. 
  • Probability and Statistics: Sampling theorems, conditional probability, mean, median, mode, standard deviation and variance; random variables: discrete and continuous distributions: normal, Poisson and binomial distributions. 
  • Numerical Methods: Matrix inversion, solutions of non-linear algebraic equations, iterative methods for solving differential equations, numerical integration, regression and correlation analysis.

Section 2: Electricity and Magnetism

  • Coulomb’s Law, Electric Field Intensity, Electric Flux Density, Gauss’s Law, Divergence, Electric field and potential due to point, line, plane and spherical charge distributions, Effect of dielectric medium, Capacitance of simple configurations, Biot‐Savart’s law, Ampere’s law, Curl, Faraday’s law, Lorentz force, Inductance,
  • Magnetomotive force, Reluctance, Magnetic circuits, Self and Mutual inductance of simple configurations.

Section 3: Electrical Circuits and Machines

  • Voltage and current sources: independent, dependent, ideal and practical; v-i relationships of resistor, inductor, mutual inductance and capacitor; transient analysis of RLC circuits with dc excitation.
  • Kirchoff’s laws, mesh and nodal analysis, superposition, Thevenin, Norton, maximum power transfer and reciprocity theorems.
  • Peak-, average- and rms values of ac quantities; apparent-, active- and reactive powers; phasor analysis, impedance and admittance; series and parallel resonance, locus diagrams, realization of basic filters with R, L and C elements. transient analysis of RLC circuits with ac excitation.
  • One-port and two-port networks, driving point impedance and admittance, open-, and short circuit parameters.
  • Single phase transformer: equivalent circuit, phasor diagram, open circuit and short circuit tests, regulation and efficiency; Three phase induction motors: principle of operation, types, performance, torque-speed characteristics, no-load and blocked rotor tests, equivalent circuit, starting and speed control; Types of losses and efficiency calculations of electric machines.

Section 4: Signals and Systems

  • Periodic, aperiodic and impulse signals; Laplace, Fourier and z-transforms; transfer function, frequency response of first and second order linear time invariant systems, impulse response of systems; convolution, correlation. Discrete time system: impulse response, frequency response, pulse transfer function; DFT and FFT; basics of IIR and FIR filters.

Section 5: Control Systems

  • Feedback principles, signal flow graphs, transient response, steady-state-errors, Bode plot, phase and gain margins, Routh and Nyquist criteria, root loci, design of lead, lag and lead-lag compensators, state-space representation of systems; time-delay systems; mechanical, hydraulic and pneumatic system components, synchro pair, servo and stepper motors, servo valves; on-off, P, P-I, P-I-D, cascade, feedforward, and ratio controllers.

Section 6: Analog Electronics

  • Characteristics and applications of diode, Zener diode, BJT and MOSFET; small signal analysis of transistor circuits, feedback amplifiers. Characteristics of operational amplifiers; applications of op amps: difference amplifier, adder, subtractor, integrator, differentiator, instrumentation amplifier, precision rectifier, active filters and other circuits. Oscillators, signal generators, voltage controlled oscillators and phase locked loop.

Section 7: Digital Electronics

  • Combinational logic circuits, minimization of Boolean functions. IC families: TTL and CMOS. Arithmetic circuits, comparators, Schmitt trigger, multi-vibrators, sequential circuits, flip flops, shift registers, timers and counters; sample-and-hold circuit, multiplexer, analog-to digital (successive approximation, integrating, flash and sigma-delta) and digital-to analog converters (weighted R, R-2R ladder and current steering logic). Characteristics of ADC and DAC

Section 8: Measurements

  • SI units, systematic and random errors in measurement, expression of uncertainty – accuracy and precision index, propagation of errors. PMMC, MI and dynamometer type instruments; dc potentiometer; bridges for measurement of R, L and C, Q-meter. Measurement of voltage, current and power in single and three phase circuits; ac and dc current probes; true rms meters, voltage and current scaling, instrument transformers, timer/counter, time, phase and frequency measurements, digital voltmeter, digital multimeter; oscilloscope, shielding and grounding.

Section 9: Sensors and Industrial Instrumentation

  • Resistive-, capacitive-, inductive-, piezoelectric-, Hall effect sensors and associated signal conditioning circuits; transducers for industrial instrumentation: displacement (linear and angular), velocity, acceleration, force, torque, vibration, shock, pressure (including low pressure), flow (differential pressure, variable area, electromagnetic, ultrasonic, turbine and open channel flow meters) temperature (thermocouple, bolometer, RTD (3/4 wire), thermistor, pyrometer and semiconductor); liquid level, pH, conductivity and viscosity measurement.

Section 10: Communication and Optical Instrumentation

  • Amplitude- and frequency modulation and demodulation; Shannon’s sampling theorem, pulse code modulation; frequency and time division multiplexing, amplitude-, phase-, frequency-, pulse shift keying for digital modulation; optical sources and detectors: LED, laser, photo-diode, light dependent resistor and their characteristics; interferometer: applications in metrology; basics of fiber optic sensing.

General Aptitude Syllabus for GATE 2022 Instrumentation Engineering

Verbal AbilityNumerical Ability
English grammar; Sentence completion, Instructions; Verbal analogies, Word groups; Critical reasoning, Verbal deduction. Numerical computation; Numerical reasoning; Numerical estimation; Data interpretation. 

Download Gate Instrumentation Engineering (IN) Previous year Questions Papers pdf

YearsQuestion Papers
2007DOWNLOAD PDF
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2009DOWNLOAD PDF
2010DOWNLOAD PDF
2011DOWNLOAD PDF
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Advantages of solving GATE Previous Question Papers

  • By solving GATE previous year question papers, candidates will be able to get an idea about the nature of questions that will be asked in the exam.
  • Also, by solving previous years GATE question papers, students will be able to establish how much weightage is given to topics and sections.
  • Apart from getting acquainted with the nature of questions and weightage to topics, candidates appearing for the entrance exam can improve on other important attributes relating to the exam such as management of time, ability to solve tricky problems, keen eye for details, speed of solving questions and a lot more.
  • Along with solving the GATE previous year question papers, candidates are also advised to refer to the GATE syllabus 2022 to get in-depth knowledge of topics and subjects from where the questions were asked in the exam.

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