The section contains questions and answers on transfer functions, block diagram algebra, signal flow graphs and equations of physical systems. What are avoidable questions in an Interview? Basically discussing about tray support than we could say it depends on the site conditions. What Are Analog Input/output & Digital Input/output? In general, the difference between the desired output and the actual output is … 4.Define closed loop control system. According to the no. If you are familiar with Control Systems Concepts then there are various companies that offer various job positions like Senior Hardware Engineer, DeltaV Automation Eng, Automation Engineer and many other roles too. These short solved questions or quizzes are provided by Gkseries. (sleeves & Mct). The system involves one integrator and two delayed integrators. Control system can be of two viz. Let us define the output of the plant as x,. According to the Cause and effects diagrams the System programmer assigns the control action block into the system, we can call them as memory assigning. Systems which are governed by the same types of equations are called analogous systems. How To Decide Cable Tray Size? What is mathematical model of a control system? 15 signs your job interview is going horribly, Time to Expand NBFCs: Rise in Demand for Talent. India's best GATE Courses with a wide coverage of all topics! In a System the output and inputs are interrelated in such a manner that … – 1000+ Multiple Choice Questions & Answers in Control Systems with explanations These are the control systems which handles fields I/Os. ... if you are trying to design a punchcard system for budgetary control it … In the process plant Control room built considering the non-hazardous area. Question 26. CLOSE LOOP: This is measuring the process signals for operator’s action. a. Enlist The Applications Of Sampled Data Systems? 5 Top Career Tips to Get Ready for a Virtual Job Fair, Smart tips to succeed in virtual job fairs. In control system non-Linearity caused by gear trains is a) Backlash b) Dead space c) Coulomb friction d) saturation Electricalunits.com. It is possible to vary any of the characteristics of components in a system according to the requirements, and then the system is called a controllable system or control system. Question 8. from system to instruments (SOV) are Digital outputs. Here’s the list of Best Reference Books in Control Systems. For open control system which of the following statements is incorrect ? Download link is provided below to ensure for the Students to download the Regulation 2017 Anna University IC8451 Control Systems Lecture Notes, Syllabus, Part-A 2 marks with answers & Part-B 16 marks Questions with answers, Question Bank with answers, All the materials are listed below for the students to make use of it and score Good (maximum) marks with our study materials. What Is Time Invariant System? Q.2. Distributed control system (DCS) and Programmable logic controller. How Can Freshers Keep Their Job Search Going? They are available in all. 1. LIST OF ATTEMPTED QUESTIONS AND ANSWERS. Download link is provided below to ensure for the Students to download the Regulation 2017 Anna University EC8391 Control Systems Engineering Lecture Notes, Syllabus, Part-A 2 marks with answers & Part-B 16 marks Questions with answers, Question Bank with answers, All the materials are listed below for the students to make use of it and score Good (maximum) marks with our study materials. Instrument JB’s depending upon hazards area classification. – Anyone preparing for interviews (campus/off-campus interviews, walk-in interview and company interviews) Practicing All Control Systems - Electrical Engineering Questions and Answers in online helps you to improve your ability to attend the real time GATE, IES and BSNL JTO Exams. Question 22. Over shoot is maximum difference between the transient and steady-state solutions for a unit step function input. About. © 2011-2020 Sanfoundry. As I heard the PLC used to handle the DI/DO signals so it can take fast actions. What Are Control System Components? Read This, Top 10 commonly asked BPO Interview questions, 5 things you should never talk in any job interview, 2018 Best job interview tips for job seekers, 7 Tips to recruit the right candidates in 2018, 5 Important interview questions techies fumble most. Numerically controlled machine tool operations. This is done under one of the following: Objective. What Is The Use For Cable Entry In Control Room? Question 15. Because digital outputs are powered signal, by wrong connection there may be chances to damage the card. The section contains questions and answers on mathematical preliminaries,nyquist stability creation, closed loop frequency and time domain analysis. What Is Time Invariant System? Control Systems Objective Questions & Answers – Set 3 Instrumentation Tools assists you with a complete guide of objective questions which mainly targets the aspirants of Electrical, Electronics and Instrumentation engineering Streams to crack the competitive exams and to prepare for the top MNC companies written tests. Answer: Control system is a collection of physical … The section contains questions on root locus and construction of root loci. Explanation: A feedback control system uses a function of a prescribed relationship between the output and reference input to control the process. | Page - 71 There are two types of Control System- Open loop control … For both the system Marshalling panels, Consoles and other faculties of Ethernet Etc can be used according to the need. A motor in which the rotor turns in discrete movements is called a stepper motor. While Locating Instrument & Jb Which Things We Have To Consider? Question 19. Basically it depends on the instrument item for which you are preparing the datasheet. The systems for which the differential equations have similar form are known as analogous system. This consists of Instrument location considering the piping drawing given from piping dept. C. Reduce the damping of the system. We identify the locations of the instrument in the equipment layouts and put the bubbles and elevation and JB nos for the location. This way of systematic learning will prepare anyone easily towards Control Systems interviews, online tests, examinations and certifications. Menu. Question 24. – Every MCQ set focuses on a specific topic in Control Systems Subject, Who should Practice these Control Systems Questions? Do you have employment gaps in your resume? Various components employed in control systems are servo-motors, amplidyne, synchros, stepper motors, tachometers, gyroscopes etc. GATE Objective & Numerical Type Questions Question 1 [Practice Book] [GATE IN 1992, IIT-Delhi : 2 Marks] A system has a complex pole pair of (1 2) j and a real zero of (– 3). Thermo well Details a: material, b: Construction, c: dimension, e: connection. As an Example. So in case if fire/Explosion takes place in the plant than that has to be restricted from entering into the control room. The difference between the output of the process under control and the reference input is amplified and used to control the process so that the difference is continually reduced. B. While Making Datasheets Which Things Are To Be Considered? 2. There is no need to make a different drawing for this. of cable occupancy in the cable tray and available tray size we have to choose it. The section contains questions and answers on design problems, cascade compensation in time domain as well as frequency domain, tuning of pid controllers, realization of basic compensators and feedback compensation. Temperature element. Only care has to be taken considering adequate space for laying cable, considering their bends.Etc. Latest Control System assignment questions answered by industry experts. What Are The Major Types Of Control System? Applicants can use free Control Systems ECE Online Test at free of cost. Does chemistry workout in job interviews? Question 27. Permanent –magnet type and variable reluctance type motor are stepper motor. Question 33. DCS handles more nos of I/Os rather than PLC. 4-20 mA signals from instrument (transmitters) are analog input to control system. Control System Multiple Choice Questions and Answers for competitive exams. In other words, the definition of control system can be rewritten as A control system is a system, which controls other system. Permanent magnet type- largest stepping angle. Which Types Of Servo Motors Generally Lend Themselves To Small Horse Power Requirements? A feedback is said to exist in a system if the cause and effect between variables is interrelated. Whereas PLC has own limitations so it generally used for small but for important (Safety point of view) units, like boiler automations, Make-up compressor automations Etc. Cable tray is nothing but the way or media through which we lay the field cables in plant. Solved examples with detailed answer description, explanation are given and it would be easy to understand. Question 16. The section contains questions on stability, conditions for stability, non-linear systems and routh-hurwitz stability criterion. For DCS I/p & o/p and PLC I/p & o/p we used separate JB’s. The control system should be definite and determinable. One should spend 1 hour daily for 2-3 months to learn and assimilate Control Systems comprehensively. Self-excitation can cause considerable over-loading of the amplidyne and totally disrupt operation of system containing the amplidyne. What are the types of control system? Define Transfer Function? b. So MCT (Multiple cables transient) blocks are used. Transfer Function of a control system is defined as: Ratio of Laplace … Answer: Control means to keep something under limits. Simplicity in … Explore the latest questions and answers in Management Control, and find Management Control experts. Same way depending upon the accessibility we decide the location of JB and marking of it into the instrument location plan is JB location. If system's output characteristics do not change with time, then it is called as time invariant system. In an open loop control system. (a) Output is independent of control input. OPEN LOOP: This is nothing but to sense the process signals from the field and to send it to the control room for operator monitoring only. Give One Advantage Of The Two Phase Servomotor Over The Shaded Pole Type? The characteristics of feedback are: increased bandwidth, increased accuracy, reduced distortion and non linearity and tendency towards oscillations or instability. Why Area Commutating Poles Required In Amplidynes? Hot water enters the tank at temperature Ti(t) where is it is cooled via a well-mixed cooling jacket (also containing water) before leaving at temperature T(t). 100% Plagiarism Free. Limit switch, press,temp,flow,level switch) are digital input to control system. Question 14. In drag-cup-construction all heavy iron lamination remain stationary and only a light cup rotates, so the inertia is quite small. Question 12. Q.16. Page 1 Its Size? But for Digital I/p & o/p we have to use separate JB’s. Question 35. In electronics control word is used to keep the output of a system within specified limits. Question 28. What Are The Two Types Of Stepper Motors? Large complex systems using telemetry links based on pulse modulation (PM) translation of data. A system is defined as any physical object comprises of various components which are inter connected with each other by some characteristics. Which among the following is a unique model of a system? What Is An Order Of A System? Analogous systems may have entirely different physical appearances. 24x7 Online Chat Support. But controller is incorporated in the system during manufacturing while compensator is incorporated when system fails to work according to specifications. open-loop control system and closed-loop control system. Menu. ,, it is most important question of control system. Volt free (24V) contact (NO/NC) by instruments (all type of switches, ex. For example, a given electrical circuit consisting of resistances, inductance and capacitance may be analogous to a mechanical system consisting of a suitable combination of dash pots, weights and springs or it may be analogous to an acoustical device consisting of an appropriate arrangement of fine mesh screens, tubes and cavities. Feedback is that property of a closed loop control system which allows the output or some other controlled variable of the system, to be compared with the input to the system, so that the appropriate control action may be formed as some function of the output and input. They are designed to sustain the fire for fixed time duration. Answer: A. What Is Control System? Answer : If system's output characteristics do not change with time, … Obtain a state-space model of the system shown in Figure 3-51. Here’s list of Questions & Answers on Control Systems Subject covering 100+ topics: The section contains questions and answers on transfer functions, block diagram algebra, signal flow graphs and equations of physical systems. Question 20. Improve your score by attempting Control Systems objective type MCQ questions listed along with detailed answers. The purpose of the cruise control system is to maintain a constant vehicle speed despite external disturbances, such as changes in wind or road grade. Better response to very small controls signals. What Are Temperature Elements? Limit the speed of motor. A control system is an arrangement of physical components connected or related in such a manner as to command, direct or regulate in such a manner as to command, direct or regulate itself or another system. Ltd. Wisdomjobs.com is one of the best job search sites in India. The section contains questions on standard test signals, time response of first and second order systems, steady state errors, performance indices, robotic control and state variable analysis. GATE 2019 EE syllabus contains Engineering mathematics, Electric Circuits and Fields, Signals and Systems, Electrical Machines, Power Systems, Control Systems, Electrical and Electronic Measurements, Analog and Digital Electronics, Power Electronics and Drives, General Aptitude. Question 36. Question 34. Transfer function. Generally this is used to make alert to both the operator. Etc. It is the mathematical expression that relates the system output to the system input and so describes the behavior of a system. Home. IS – Intrinsic safety & NIS – Non Intrinsic safety. In case of extreme over-compensation, undesirable self-excitation of the amplidyne that is spontaneous rise in voltage and load current at constant control current (or with the control circuit open) can occur. It will immensely help anyone trying to crack an exam or an interview. Solution. The control system in which the output quantity has no effect upon the input quantity are called open loop control system. Question 4. The output of each integrator or delayed integrator can be a state variable. Which cable to use, depends upon hazards condition. Question 31. Computer system overview multiple choice questions and answers PDF solve MCQ quiz answers on topics: Basic elements, cache design, cache principles, control and status registers, input output and communication techniques, instruction execution, interrupts, processor … There is no compensation for any disturbances entering the system since it has fixed input. Com mutating poles are required in amplidynes to give satisfactory commutation. Get Answer Now! (b) Output is dependent … Searching for a new job is more difficult know-a-days it can turn to a job is well. Transmitter: Tube routing, maintenance area, man approach, Valve : Hand wheel operations, Maintenance area, Etc. What Are The Advantages And Disadvantages Of Closed Loop Control System? Why Amplidyne Are Not Extremely Over-compensated? a. Amplidynes are provided with split-poles to provide space for inter poles. Head details a: Screw-cap and chain, b: material, c: conduit connections, d: terminal block> single or duplex. What Is Open Loop & Close Loop? We have also provided number of questions asked since 2007 and average weightage for each subject. 1. Voucher Generation. Digital Signal Processing Interview Questions, Business administration Interview questions, Cheque Truncation System Interview Questions, Principles Of Service Marketing Management, Business Management For Financial Advisers, Challenge of Resume Preparation for Freshers, Have a Short and Attention Grabbing Resume. Loop power indicators: Man approach Illumination from Electrical if instrument is not going to provide. Where Is Stepper Motor Used? DCS & PLC’s speed depends on the scan rate of I/Os. The section contains questions on construction of phase trajectories, stability of nonlinear system and stability analysis by describing the functions. That block holds the cables which are entering into the CCR. Super motors are used in industrial situations which call for precise positioning of an object or precise control of speed without having to resort to closed-loop feedback. Its Support? – All – Experienced, Freshers and Students. C. Reduce the damping of the system. Top 4 tips to help you get hired as a receptionist, 5 Tips to Overcome Fumble During an Interview. DCS can handles handsome quantity of I/Os so that can be used for total plant automation. Control System Multiple Choice Questions and Answers. For analog I/p & o/p signal we can use same JB. It graphically displays the transmission of signals through the system, as does the block diagram. It is speed control system output rate feedback is used to. Wish you the best in your endeavor to learn and master Control Systems! What Is Cable Tray? The section contains questions on steady state error, integral square error and its minimization. Two phase and shaded pole type induction motor are used. The section contains questions on liapunov’s stability criterion. Question 5. 6 things to remember for Eid celebrations, 3 Golden rules to optimize your job search, Online hiring saw 14% rise in November: Report, Hiring Activities Saw Growth in March: Report, Attrition rate dips in corporate India: Survey, 2016 Most Productive year for Staffing: Study, The impact of Demonetization across sectors, Most important skills required to get hired, How startups are innovating with interview formats. Why Are Drag-cup-construction Used In Rotors Of Certain Fhp Machines For Control Purposes? A linear system is a system that follows the law of superposition and homogeneity. Answer: Both controller and compensator has the function of improving stability and response of a system. For IS signal IS JB’s used for NIS signal NIS JB’s used. Sampled data system finds applications in, All rights reserved © 2020 Wisdom IT Services India Pvt. Answer: The Feedback in Control System in one in which the … (b) Output is dependent … 106 TOP CONTROL SYSTEMS LAB VIVA Questions and Answers PDF. The sections covers questions on neural networks, adaptive control and fuzzy logic. Where the PID controller takes control action and that given to the final control element as per the process requirement. All Rights Reserved. To be precise about Control Systems is a system of devices or set of devices, that manages, commands, directs or regulates the behaviour of other device(s) or system(s) to achieve desire results. So, to make it easy we wisdomjobs.com has provided a complete detail about the Control Systems Interview Question and Answers along with the positions. This means that the output is not feedback to the input for correction. What do you mean by asymptotic stability? Its Type? Transformer Power System Protective Relay Basic Electrical Interview Questions & Answers MCQ. 4-20 mA signals to instrument (I/p & electro pneumatic positioner) are analog output from control system. Material of construction (Valve body, Trim), Ladder type (made in Rungs type construction). If the closed loop system is not properly designed, the feedback may lead to an oscillatory system. The system error is the ideal value of the controlled variable minus the value of the final controlled variable. (a) Output is independent of control input. For example consider an automobile, where the speed can be varied by adjusting the accelerator to the desired level. We have collect following information to prepare D/s. Question 25. The section contains questions and answers on concepts of state, state variables and state model, solutions of state equations, controllability and observability, pole placement by state feedback, observer systems and state models for linear continuous-time systems. These topics are chosen from a collection of most authoritative and best reference books on Control Systems. Cruise Control: System Modeling Automatic cruise control is an excellent example of a feedback control system found in many modern vehicles. Multiple Choice Questions and Answers on Control Systems 1) Which terminology deals with the excitation or stimulus applied to the system from an external source for the... 2) Which among the following is not an advantage of an open loop system?
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