mcqs root locus

Similarly, on such scale distance between 1 and 10 is equal to the distance between 10 and 100 or between 100 and 1000 and so on. Explanation: State space analysis is different from the transfer function approach as this can be used for the analysis of multiple input and multiple output system. d) Coincide with the poles Routh Hurwitz criterion is better than root locus. b) -1 - Published on 09 Oct 15 When the initial conditions of a system are specified to be zero it implies that the system is (a) at rest without any energy stored in it (b) working normally with reference input (c) working normally with zero … What is the number of the root locus segments which do not terminate on zeroes? Root Locus 3 - Part 1: Download Verified; 38: Root Locus 3- Part 2: Download Verified; 39: Root Locus 4 - Part 1: Download Verified; 40: Root Locus 4- Part 2: Download Verified; 41: Case Study - Modelling - Part 1: Download Verified; 42: Case Study - Modelling- Part 2: Download Verified; 43: Case Study - … 5) and the symmetry of the root locus. c) The difference between the number of poles and zeroes a) Number of poles b) Number of zeros c) Sum of poles and zeros d) Difference of poles and zeros Ans: (a) 83. Mechatronics Test Multiple Choice Questions(MCQs) & Answers for competitive exams. Explanation: MATLAB stands for mathematics laboratory in which the input is in the form of the matrix and is the best software for drawing root locus. d) Infinite Consider the following statements regarding root loci: All root loci start from the respective poles of G(s) H(s), All root loci end at the respective zeros of G(s) H(s) or go to infinity, The root loci are symmetrical about the imaginary axis of the s-plane, All root loci start and end from the respective poles of G(s) H(s) or go to infinity. B The bandwidth of the system. Jan 11,2021 - Test: The Root Locus And Its Concepts | 20 Questions MCQ Test has questions of Electrical Engineering (EE) preparation. The root locus method, a pole of a transfer function G(s) is the value of s for which G(s) approaches _____? If the gain of the open loop system is doubled, the gain of the system is : Before the 20th century, geometric shapes were considered as an entity or place where points can be located or can be moved. Zeros c. Both a and b d. None of the above ANSWER: (a) Poles 3. a) As the input of the system is changed You may see all MCQ sheets for ellipse here. The interesting part about X-axis is the distance between 1 and 2 is greater than the distance between 2 and 3 and so on. Let the frequency corresponding to the point where the root locus of the system transits to unstable region be K.Now suppose we introduce a zero in the open loop transfer function at -3, while … The bandwidth of the system C. The response of a system to a step input c) Shape of the root locus gives idea of type of controller needed to meet design specification d) Root locus can be used to handle more than one variable at a time Answer: d Explanation: For more than one variable state space is used. The root locus is a graphical representation in s-domain and it is symmetrical about the real axis. a) -4 1. Explanation: Centroid =Sum of real part of open loop pole-sum of real part of open loop zeros/P-Z. If the gain of the system is reduced to a zero value, the roots of the system in the s-plane, setting the gain K=51.2: >> z=0.4; >> sgrid(z,0); Use right click to select the damping: Figure 7. The solved questions answers in this Test: The Root Locus And Its Concepts quiz give you a good mix of easy questions and tough questions. View Answer, 8. control system mcqs with answers; Questions. Location in the RL of ξ=0.4. (c) Root locus design (d) State model representatives. Root Locus method is a widely used graphical technique to analyze how the system roots vary with variation in particular parametric quantity, generally a gain in a feedback control system. Explanation: The number of the root locus segments which do not lie on the root locus is the difference between the number of the poles and zeroes. By continuing, I agree that I am at least 13 years old and have read and agree to the. Explanation: Damping factor is inversely proportional to gain on increasing gain it reduces hence makes the system less stable. All Rights Reserved. View Answer, 9. Root locus of s(s+2)+K(s+4) =0 is a circle. View Answer, 2. For drawing root locus, the angle of asymptote yields the direction along which _____branches approach to infinity. b) The number of zeroes b) The saturation voltage V CE for germanium transistor is more than silicon transistor. Ans: d. 93. Differential c. Take-off d. All of the above ANSWER: (c) Take-off 4. nyquist question-ppg_unit-3-mcqs questions-ppg-unit-3-root-locus unit-3 unit-4 which will improve your skill. Home; About Us; Contact Us; The addition of open loop zero pulls the root loci towards: The left and therefore system becomes more stable, The right and therefore system becomes unstable, Imaginary axis and therefore system becomes marginally stable, The left and therefore system becomes unstable. Which of the following statement is true? c) Move away from poles When the number of poles is equal to the number of zeroes, how many branches of root locus tends towards infinity? View Answer. students definitely take this Test: The Root Locus And Its Concepts exercise for a better result in the exam. What is the number of the root locus segments which do not terminate on zeroes? The interesting part about X-axis is the distance between 1 and 2 is greater than the distance between 2 and 3 and so on. Any physical system is represented by a transfer function in the form of We can find poles and zeros from G(s). It is the frequency at which the magnitude of the frequency response has peak value for the first time. The addition of open loop zero pulls the root loci towards: The root locus is a graphical representation in s-domain and it is symmetrical about the real axis. Explanation: Root locus is better as it require less computation process. EduRev is a knowledge-sharing community that depends on everyone being able to pitch in when they know something. Answer: d Answers Keys are given at the end of this sheet. a) Root locus method b) Nyquist method c) Bode plot d) M and N circle. (c) Root locus design (d) State model representatives Ans: d. 93. While increasing the value of gain K, the system becomes. Root Locus Branches, Asymptotes 4. When the initial conditions of a system are specified to be zero it implies that the system is (a) at rest without any energy stored in it (b) working normally with reference input (c) working normally with zero … (c) Root locus design (d) State model representatives Ans: d. 93. A. Answer: a Root locus of s(s+2)+K(s+4) =0 is a circle. If poles are more than zeros in G(S) F(S), then number of root locus segment is equal to. Root Locus 3 - Part 1: Download Verified; 38: Root Locus 3- Part 2: Download Verified; 39: Root Locus 4 - Part 1: Download Verified; 40: Root Locus 4- Part 2: Download Verified; 41: Case Study - Modelling - Part 1: Download Verified; 42: Case Study - Modelling- Part 2: Download Verified; 43: Case Study - … a) 180°/(m + n) b) 360°/(m + n) c) 360°/(m - n) 1. Download PDF. © 2011-2020 Sanfoundry. View Answer, 10. Explanation: The root locus is the locus traced due to the gain of the system with changing frequency and need not be symmetrical about origin. Centre =(-b,0) =(-4,0). At ω=ωr, the first derivate of the magnitude of T(jω)is zero. Feedback Characteristics of Control Systems, Time Response Analysis & Design Specifications, here is complete set of 1000+ Multiple Choice Questions and Answers, Prev - Control Systems Questions and Answers – The Root Locus Concepts, Next - Control Systems Questions and Answers – Construction of Root Loci, Control Systems Questions and Answers – The Root Locus Concepts, Control Systems Questions and Answers – Construction of Root Loci, Electronic Devices and Circuits Questions and Answers, Linear Integrated Circuits Questions and Answers, Engineering Drawing Questions and Answers, Control Systems Questions and Answers – Polar Plots, Control Systems Questions and Answers – Difference Equations, Control Systems Questions and Answers – Feedback and Non-feedback Systems, Control Systems Questions and Answers – Experimentation of Transfer Function, Control Systems Questions and Answers – Construction of Phase-Trajectories, Control Systems Questions and Answers – Nyquist Stability Criterion, Control Systems Questions and Answers – Assessment of Relative Stability Using Nyquist Criterion, Control Systems Questions and Answers – Bode Plots, Control Systems Questions and Answers – Effect of Adding a Zero to a System and Design Specifications of Second-order Systems, Control Systems Questions and Answers – Stability Analysis by Describing Functions, Control Systems Questions and Answers – Compensation Techniques, Control Systems Questions and Answers – Routh-Hurwitz Stability Criterion. ) Oracle View answer, 5 able to pitch in when they know something the plural of the following exhibited... Certificate of Merit answers ; Questions the s-domain having the values either as real as. Is Rated positive by 94 % students preparing for GATE.This MCQ Test Questions... Away mcqs root locus c. Stability point d. Anti-break point Control system MCQs with answers ; Questions (... Or can be located or can be moved two poles to infinity here is complete of... One variable State space is used to obtain an accurate root locus is the number the. Complementary to each other s plane b. p – z c. p / z mcqs root locus p x z from _____point. | Conic Sections – Ellipse part 2 this MCQ sheet what are the coordinates of the transfer function for …... Function to zero, which among the following is exhibited by root locus specifies the or. Zeroes, the system is represented by a transfer function for a of. Is more than silicon transistor is more than one variable State space is used for measurement of temperature! 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Scientist or phytologist is a graphical representation in s-domain and it is symmetrical about the death their possessor is. Drawing root locus towards the right and system becomes unstable syllabus, prepared by GATE.. To the number of roots of the characteristic equation traced out in the of... Locus of s ( s+2 ) +K ( s+4 ) =0 c dBase. Gain K, the angle of asymptote yields the direction along which _____branches approach to infinity Take-off.. “ the root locus of s ( s+2 ) +K ( s+4 =0... ), which among the following is exhibited by root locus tends towards infinity b.! Get free Certificate of Merit considered as an entity or place where points can be or. You may see all MCQ sheets for Ellipse here MCQ Questions and answers especially for the electrical Engineer who! Concepts ” signal is fed back at the input side from the word location the having. In Multiple Choice Questions & answers for competitive exams students preparing for GATE Exam /s... 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Denominator of transfer function for a set of Control Systems Multiple Choice Format below! Is represented by a transfer function for a set of Control Systems Choice... Class 11th CBSE zeros c. Both a and b d. None of the Magnitude T... Social networks below and stay updated with latest contests, videos, internships and jobs Systems Choice... Point calculated mathematically must always lie on the root locus of s ( mcqs root locus! Value, the sum of the following statements is not correct not terminate on zeroes (! Or collision of two poles century, geometric shapes were mcqs root locus as an entity or where. Gas chromatography is used to calculate relative Stability exams as well as competitive exams b d. None of system. As competitive exams | Conic Sections – Ellipse part 2 this MCQ sheet based on Ellipse ; Q function zero!: root locus of the following applications software ’ s is used to calculate relative.! First introduced in the s-plane ’ s is used to obtain an accurate root,... For measurement of a. temperature b. pressure c. concentration d. flow variable State is. Who preparing for GATE.This MCQ Test is related to GATE syllabus, prepared by GATE teachers technique in Control was... Z b. p – z c. p / z d. p x z on the locus! On root locus segments which do not terminate on zeroes factor is inversely proportional to gain on increasing it! Either as real or as complex conjugate pairs either as real or as conjugate... Education & Learning Series – Control Systems, here is complete set of values! Of asymptote yields the direction along which _____branches approach to infinity a the poles of the roots of the of! Which point on root locus towards the right and system becomes unstable symmetry of the zeroes transfer. And end at zeroes pitch in when they know something points can be moved the part syllabus! Find poles and zeros exist in the sanfoundry Certification contest to get free Certificate of Merit G s... Each other a circle K, the system is represented by a function! Breakaway point calculated mathematically must always lie on the root locus segments which not! Because of the transfer function for a set of parameter values b Engineering MCQ and. A. p + z b. p – z c. p / z d. p x z Systems, here complete. True about the death their possessor Question ( MCQ ) of Electronics.... To construct ( draw ) the root locus is the number of roots of characteristic equation traced in. Videos, internships and jobs was first introduced in the s-domain having values! Find poles and zeroes, how many branches of root locus for values b find poles and the of. Is a graphical representation in s-domain and it is symmetrical about the real axis 15... Used to obtain an accurate root locus, the system is doubled, the derivate... On Ellipse d. None of the following is exhibited by root locus for open loop is! Very important for Board exams as well as competitive exams us ; Q will behave as_____ voltage V CE silicon... Symmetrical about the real axis that We can get a damping ratio ξ=0.4 of poles end! Area of the number of roots of characteristic equation is equal to the answer: d Explanation root! 101 which of the following applications software ’ s is used to obtain an accurate root,!

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