GATE 2021 INSTRUMENTATION ENGINEERING SYLLABUS

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    GATE 2021 Instrumentation Engineering (IN) Syllabus, Preparation Tips and Books

    Nikkil Visha Nikkil Visha
    Exams Prep Master

    Instrumentation engineering is the branch of engineering that focuses on the principle and operation of measuring instruments used in fields of design, configuration of automated systems, etc. Based on these principles the syllabus of GATE 2021 IN paper majorly divided into 9 major sections.

    • Further based on the syllabus the paper will be divided into 3 sections namely General Aptitude, Engineering Mathematics, and core subject.
    • The weightage of Core Syllabus i.e. Instrumentation syllabus will be 70% and 15% each of General Aptitude, Engineering Mathematics. 
    • Candidates planning to appear GATE 2021 Instrumentation Engineering paper must be aware of GATE syllabus and pattern of the exam.  Check GATE 2021 IN Exam Pattern

    GATE 2021 conducting body i.e IIT Bombay release will soon release the official notification regarding the syllabus of all the papers for candidates. This will help candidates to prepare in a better way for the exam. After qualifying the exam, candidates can take admission in M.Tech courses offered at IITs, NITs, etc. Other than M.Tech admissions, candidates can apply for  GATE PSUs Recruitment.

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    GATE 2021 Syllabus of Instrumentation Engineering

    GATE 2021 Syllabus for Instrumentation Engineering

    GATE syllabus for Instrumentation Engineering divided into 9 sections with topics that need to be covered. Candidate can check the Syllabus for GATE Instrumentation Engineering in detailed as given below:

    Section 1: Engineering Mathematics

    • Linear Algebra, Calculus, Differential equations, Analysis of complex variables, Probability and Statistics, Numerical Methods. 

    Section 2: Electrical Circuits

    • Voltage and current sources: independent, dependent, ideal and practical; v-i relationships of resistor, inductor, mutual inductor 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.
    • One-port and two-port networks, driving point impedance and admittance, open-, and short circuit parameters.

    Section 3: 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 4: 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 5: 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 opamps: 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 6: Digital Electronics

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

    Section 7: 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 8: 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 9: 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.

    Direct link to download GATE Instrumentation Engineering (IN) syllabus PDF 

    Weighate of GATE 2021 Instrumentation Engineering Syllabus

    Important Topics for GATE 2021 Instrumentation Engineering

    • Sample Question 1: Consider a circuit comprising only resistors with constant resistance and ideal independent DC voltage sources. If all the resistances are scaled down by a factor 10, and all source voltages are scaled up by a factor 10, the power dissipated in the circuit scales up by a factor of ___________ .
    • Sample Question 2: An 8-bit weighted resistor digital-to-analog converter (DAC) has the smallest resistance of 500 Ω. The largest resistance has a value ___________ kΩ.
    • Sample Question 3: 

    Weightage of Topics/Sections

    TopicNumber of QuestionMarksDifficulty Level
    Networks710Easy
    Control Systems47Easy
    Signal And Systems58Easy
    Digital and Micro Processor711Moderate
    Analog Circuits610Tough
    Communication Systems46Tough
    Transducer57Moderate
    Measurements58Moderate
    Optical Instrumentation46Moderate
    Engineering Mathematics812Moderate
    General Awareness1015Easy
    Total65100Moderate

    Check Detailed GATE IN Paper Analysis


    GATE 2021 Exam Pattern of Instrumentation Engineering

    GATE 2021 Exam Pattern of Instrumentation Engineering

    • Mode of Examination: Online
    • Duration of Exam: 3 hours
    • Types of Questions: MCQs and NAT
    • Sections: 3 sections – General Aptitude, Mathematics and Subject-based
    • Total Questions: 65 questions
    • Total Marks: 100 marks
    Section   Total Marks
    General Aptitude15% of the total marks
    Engineering Mathematics15% of the total marks
    Subject-Based (IN)70% of the total marks

    Marking scheme

    • Correct Answer: 1 or 2 Marks
    • Negative Marking: For MCQs only
    Type of questionNegative marking for wrong answer
    MCQs

    1/3 for 1 mark questions

    2/3 for 2 marks questions

    NATsNo negative marking 

    Check Detailed GATE 2021 Exam Pattern


    Important Books for GATE 2021 Instrumentation Engineering

    Best Books for GATE 2021 Instrumentation Engineering

    IN Books
    Title of the bookName of the Author/ Publication
    GATE 2020: Instrumentation Engineering Previous Solved PapersGKP
    Instrumentation Engineering GATE 2020Arihant Experts
    GATE 2020 – Guide – Instrumentation EngineeringGKP

    How to Prepare for GATE 2021 IN Paper?

    Preparation Tips for GATE 2021 Instrumentation Engineering Paper

    1. Start Using Virtual Calculator

    • ​Candidates must practice on virtual calculators so that you can develop a habit of using the same.  
    • If you will start using it from the time of your preparation then you can save a lot of time during the exam.

    2. Start from Basic Concepts

    • Start with the basic concepts or topics. 
    • Once your basics are clear, you can easily solve the other topics.
    • Refer to the book that is easy to understand and learn.
    • Preparation time is the best time to brush up your skills and memorizing all the important topics.

    Read  Preparation Tips from GATE Topper

    3. Make a Proper Time Table

    Time AllotmentActivities to Do
    5:00 AM to 8:00 AMRevision of Important Topics
    8:00 AM to 10:00 AMTake a Break
    10:00 AM to 1:00 PMPick up a Major Topic
    1:00 PM to 5:00 PMTake a Break
    6:00 PM to 9:00 PMContinue with your Topic/Start new Topic
    10:00 PMAgain Revise important topics/Sleep early

    4. Solve Practice Papers

    • Solving the practice papers is one of the best methods to get familiar with exam pattern, type of questions, difficulty level, etc.
    • By solving more questions papers you can get an idea that which questions should be solved first.
    • Candidates are advised not to panic if they are not able to solve the questions. 
    • You can observe your weak areas and work on them.

    Download GATE Practice Papers

    5. Maintain Accuracy with Speed

    • Maintaining good speed while solving the questions is very important.
    • Accuracy is also very important to crack the exam.
    • You can practice mock tests to achieve the same.
    • If you are not able to maintain a good speed then you should focus on maintaining the accuracy level of your answers.

    GATE 2021 Syllabus Of Other Papers

    GATE 2021 Syllabus Of Other Papers

    PaperCodePaperCode
    Aerospace EngineeringAEMechanical EngineeringME
    Agricultural EngineeringAGMetallurgical EngineeringMT
    Civil EngineeringCEMining EngineeringMN
    Chemical EngineeringCHPetroleum EngineeringPE
    Engineering SciencesXEProduction and Industrial EngineeringPI
    Electronics and CommunicationECTextile Engineering and Fibre ScienceTF
    Electrical EngineeringEEBiotechnologyBT

    Candidates can go through the syllabus of their respective subjects by clicking on the provided above in the table. The knowledge of GATE syllabus is important before starting the preparations. Candidates are advised to focus on the syllabus prescribed by the authorities. 

    Frequently Asked Questions

    Ques: What was the difficulty level of previous year GATE Instrumentation Engineering papers?

    Ans: As per students who had appeared in previous years the difficulty level of GATE Instrumentation Engineering paper is moderate. Topic-wise difficulty based on the experience of candidates is mentioned below:

    • Network, Control System, Signal and System, General Awareness – Rated Easy
    • Digital and Micro Processor, Transducer, Measurements, Optical Instrumentation, Engineering Mathematics – Rated Moderate
    • Analog Circuits, Communication Systems – Rated Tough

    Ques: What will be the sectional weightage of GATE 2021 Instrumentation Engineering syllabus?

    Ans: The sectional weightage of GATE 2021 Instrumentation Engineering syllabus is as follows:

    Section   Total Marks
    General Aptitude15% of the total marks
    Engineering Mathematics15% of the total marks
    Subject-Based (IN)70% of the total marks

    Ques: Will there be any negative making in GATE 2021 Instrumentation Engineering paper?

    Ans: Yes. There will be negative marking for incorrect MCQs whereas for incorrect NAT questions no negative marking will be there. 

    Type of questionNegative marking for wrong answer
    MCQs

    1/3 for 1 mark questions, 2/3 for 2 marks questions

    NATsNo Negative Marking

    Ques: Do I need to prepare some other topics also to score well in GATE 2021 Instrumentation Engineering paper?

    Ans: No. There is no need to study other than the topics mentioned in the official syllabus. The syllabus of GATE Instrumentation Engineering paper is based on the graduation level. If you follow the syllabus prescribed by authorities then you can score very good marks. There is no need to study any extra topic. However, to clear your basic concepts you can go through those topics that are mentioned in the syllabus. 

    Ques: What is the best way to complete GATE 2021 Instrumentation Engineering syllabus?

    Ans: You can complete your syllabus by using your graduation level books or notes. You can also refer to some other books also like Instrumentation Engineering GATE 2020 – by Arihant. 

    *The article might have information for the previous academic years, which will be updated soon subject to the notification issued by the University/College

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