Problem 1: Cooling tank control system (20 marks) Consider the well mixed, jacketed cooling tank shown in Figure 1. Menu. Improve your score by attempting Control Systems objective type MCQ questions listed along with detailed answers. 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. Which cable to use, depends upon hazards condition. Thermo well Details a: material, b: Construction, c: dimension, e: connection. Question 29. As I heard the PLC used to handle the DI/DO signals so it can take fast actions. Why Is Series Compensating Winding Employed In The Amplidynes? C'ontrol system. What Is Time Invariant System? That block holds the cables which are entering into the CCR. It graphically displays the transmission of signals through the system, as does the block diagram. (a) Output is independent of control input. 2. State variable. 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). b. Loop power indicators: Man approach Illumination from Electrical if instrument is not going to provide. The section contains questions on steady state error, integral square error and its minimization. What Are The Two Types Of Stepper Motors? 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. Limit the acceleration of the motor thing. This way of systematic learning will prepare anyone easily towards Control Systems interviews, online tests, examinations and certifications. 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. Com mutating poles are required in amplidynes to give satisfactory commutation. The section contains questions on frequency response,polar and bode plots, pass and minimum phase systems, correlation between time and frequency response and transfer functions. Its Support? – 1000+ Multiple Choice Questions & Answers in Control Systems with explanations For example consider an automobile, where the speed can be varied by adjusting the accelerator to the desired level. Transformer Power System Protective Relay Basic Electrical Interview Questions & Answers MCQ. But controller is incorporated in the system during manufacturing while compensator is incorporated when system fails to work according to specifications. Question 15. Differential Equations of Physical Systems and Dynamics of Robotic Mechanisms, Control of the Effects of Disturbance Signals by Use of Feedback, Linearizing Effect and Regenerative Feedback, Linear Approximation of Nonlinear Systems, Time Response of Second Order Systems – I, Time Response of Second Order Systems – II, Time Response of Second Order Systems – III, Time Response of Second Order Systems – IV, Design Considerations for Higher-Order Systems, Approximation of Higher-Order Systems by Lower-Order, Necessary Conditions for Stability and Non-Linear Systems, Correlation between Time and Frequency Response, Assessment of Relative Stability Using Nyquist Criterion, Preliminary Considerations of Classical Design, The Inverse Z-transform and Response of Linear Discrete Systrems, The Z-transform Analysis of Sampled-Data Control Systems, Concepts of State, State Variables and State Model, State Models for Linear Continuous-Time Systems, State Variables and Linear Discrete-Time Systems, Constructing of Liapunov for the Linear and Non-Linear System, The Output Regulator and Tracking Problem, Stability Analysis by Describing Functions, Here’s the list of Best Reference Books in Control Systems, 1000 Data Structures & Algorithms II MCQs, 50k Electronics & Communication Engg MCQs. Question 36. 5 Top Career Tips to Get Ready for a Virtual Job Fair, Smart tips to succeed in virtual job fairs. Perforated Type(Solid sheath consist of Holes for ventilation). Page 1 Question 18. This consists of Instrument location considering the piping drawing given from piping dept. – Anyone preparing for aptitude test in Control Systems Question 34. A. 4.Define closed loop control system. 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). Question 6. If system's output characteristics do not change with time, then it is called as time invariant system. Some of the time it is used to handle few nos of AI/AO. Transfer function. Here’s the list of Best Reference Books in Control Systems. Applicants can use free Control Systems ECE Online Test at free of cost. Question 12. Generally this is used to make alert to both the operator. Question 25. View Answer. 106 TOP CONTROL SYSTEMS LAB VIVA Questions and Answers PDF. – Anyone preparing for interviews (campus/off-campus interviews, walk-in interview and company interviews) So MCT (Multiple cables transient) blocks are used. In control system non-Linearity caused by gear trains is a) Backlash b) Dead space c) Coulomb friction d) saturation Electricalunits.com. For analog I/p & o/p signal we can use same JB. In the above mentioned case the PLCs can be get connected with the DCS with the help of soft link. Control System Multiple Choice Questions and Answers for competitive exams. Wish you the best in your endeavor to learn and master Control Systems! Question 5. Numerically controlled machine tool operations. Permanent magnet type- largest stepping angle. 4-20 mA signals to instrument (I/p & electro pneumatic positioner) are analog output from control system.
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