7 people answered this MCQ question is the answer among for the mcq Assertion (A): The root locus of a control system is symmetrical about real axis.Reason (R): For all polynomials with real coefficients, complex poles always occur in conjugate pairs Figure 7 shows that we can get a damping ratio ξ=0.4. Applications of Root Locus 3. There are total 20 Questions in this MCQ Sheet. Complex Numbers Worksheet – part 1 This Worksheet is based on topic complex numbers. b) The saturation voltage V CE for germanium transistor is more than silicon transistor. Explanation: Number of roots of characteristic equation is equal to the number of branches. The plural of the locus is loci.The area of the loci is called the region.The word locus is derived from the word location. If a,b, c are three complex numbers such that c =(1– l) a + lb, for some … A ) Lethal genes B) Basic genes C) Multiple gene D) Cumulative gene When two or more pairs of independent genes act together to produce… EduRev is a knowledge-sharing community that depends on everyone being able to pitch in when they know something. a) LISP You may see all MCQ sheets for ellipse here. 1. Explanation: The roots of the system in s plane coincides with the poles if the gain of the system is reduced to a value zero. These short solved questions or quizzes are provided by Gkseries. Root Locus Diagram's Previous Year Questions with solutions of Control Systems from GATE ECE subject wise and chapter wise with solutions This set of Control Systems Multiple Choice Questions & Answers (MCQs) focuses on “The Root Locus Concepts”. a) As the input of the system is changed These short objective type questions with answers are very important for Board exams as well as competitive exams. a) The number of poles Answer: d Root Locus Branches, Asymptotes 4. 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. long questions & short questions for Electrical Engineering (EE) on EduRev as well by searching above. A. oscillatory ... PakMcqs.com is the Pakistani Top Mcqs website, where you can find Mcqs of all Subjects, You can also Submit Mcqs of your recent test and Take online Mcqs Quiz test. In this chapter, let us discuss how to construct (draw) the root locus. Zeros c. Both a and b d. None of the above ANSWER: (a) Poles 3. c) dBase b) The saturation voltage V CE for germanium transistor is more than silicon transistor. As the input of the system is changed . Explanation: The gain margin is the inverse of the intersection of the root loci plot to the imaginary axis and if it does not intersect then the gain margin will be infinite. 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 … While increasing the value of gain K, the system becomes. The main objective of drawing root locus plot is : To obtain a clear picture about the open loop poles and zeroes of the system, To obtain a clear picture about the transient response of feedback system for various values of open loop gain K, To determine sufficient condition for the value of ‘K’ that will make the feedback system unstable. Root Locus for the compensated system. G(s)H(s) =K(s+b)/s(s+a) Answer: d. Explanation: Closed loop system resonance frequency is the frequency at which maximum peak occurs and this frequency of operation can best be determined with the help of M and N circle. What are the coordinates of the center of this circle? c) The saturation voltage V CE for silicon transistor is same as that for germanium. Before the 20th century, geometric shapes were considered as an entity or place where points can be located or can be moved. CONTROL SYSTEM IMPORTANT MCQs. b) -1 For drawing root locus, the angle of asymptote yields the direction along which _____branches approach to infinity. c) -2 Figure 8 shows the Step Response of the closed-loop system for K p =51.2 and ξ=0.4, and the values of the main parameters: Join our social networks below and stay updated with latest contests, videos, internships and jobs! d) Infinite (c) Root locus design (d) State model representatives Ans: d. 93. 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. Figure 7 shows that we can get a damping ratio ξ=0.4. If poles are more than zeros in G(S) F(S), then number of root locus segment is equal to. 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 … 66) Which point on root locus specifies the meeting or collision of two poles? Topics covered are 1. In this page you can learn various important control system multiple choice questions answers, mcq on control system, short questions and answers on control system, sloved control system objective questions answers etc. This mock test of Test: The Root Locus And Its Concepts for Electrical Engineering (EE) helps you for every Electrical Engineering (EE) entrance exam. Any physical system is represented by a transfer function in the form of We can find poles and zeros from G(s). The output signal is fed back at the input side from the _____point a. Summing b. If the gain of the open loop system is doubled, the gain of the system is : If root loci plots of a particular control system do not intersect the imaginary axis at any point, then the gain margin of the system will be: In root locus technique, angle between adjacent asymptote is. Explanation: All the root locus start at respective poles and end at zeroes. 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. This arises because of the angle criterion (Eq. 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. A The poles of the transfer function for a set of parameter values. What are the coordinates of the center of this circle? Asymptotic stability is concerned with… a) A system not under the influence of b) A system under … All Rights Reserved. The breakaway point calculated mathematically must always lie on the root locus. setting the gain K=51.2: >> z=0.4; >> sgrid(z,0); Use right click to select the damping: Figure 7. Answers Keys are given at the end of this sheet. CONTROL SYSTEM IMPORTANT MCQs. d) Segments of the real axis are the part of the root locus if and only is the total number of real poles and zeroes to their right is odd. 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. Answer Keys of this Complex Numbers Worksheet is given at the end of this sheet. 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. 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. Answer: c Signals and Systems Kuestion (ELECTRICAL ENGINEERING) MCQs Mechanical Engineering Important MCQ PDF Fluid Mechanics-1 Mechanical Engineering Important MCQ PDF Fluid Mechanics-2 Because the open loop poles and zeros exist in the s-domain having the values either as real or as complex conjugate pairs. These short solved questions or quizzes are provided by Gkseries. 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. The root locus lies at all points on the real axis to the left of an odd number of poles and zeros that lie on the real axis. Which of the following statement is true? Figure 8 shows the Step Response of the closed-loop system for K p =51.2 and ξ=0.4, and the values of the main parameters: Applications of Root Locus 3. a) 0 Topics covered are 1. Electrical Engineering MCQ questions and answers for an engineering student to practice, GATE exam, interview, competitive examination and entrance exam. Sanfoundry Global Education & Learning Series – Control Systems. c) 0 Which one of the following applications software’s is used to obtain an accurate root locus for? ... 2 + 2ω2 Ans: (C) Q.3 Considering the root locus diagram for a system with K(s + 5) G(s) = , the meeting point of the asymptotes on the real s(s + 2) (s + 4) (s2 + 2s + 2) axis occurs at . Q. a) The left and therefore system becomes more stable 65) For drawing root locus, the angle of asymptote yields the direction along which _____branches approach to infinity. 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 - … 101 Which of the following is exhibited by Root locus diagrams ? a. Which one of the following is correct ? Electrical Engineering Mcqs. b) MATLAB ... Go To Download Page Close. 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. -1 b. Differentiate M with respect to u. dMdu=−12[(1−u2)2+(2δu)2]−32[2(1−u2)(−2u)+2(2δu)(2δ)] ⇒dMdu=−12[(1−u2)2+(2δu)2]−32[4u(u2−1+2δ2)] Substitute, u=ur and dMdu==0in the above equation. If the gain of the system is reduced to a zero value, the roots of the system in the s-plane. Concept of Root Locus 2. setting the gain K=51.2: >> z=0.4; >> sgrid(z,0); Use right click to select the damping: Figure 7. 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. C The response of a system to a step input. The root locus is symmetrical about imaginary axis, They start from the open loop poles and terminate at the open loop zeroes, The breakaway points are determined from dK/ds = 0. Root Locus for the compensated system. Explanation: s(s+2)+K(s+4) =0 Location in the RL of ξ=0.4. For example if we had a characteristic equation of 1 + K s+ 2 s(s+ 4) = 0 Mechatronics Test Multiple Choice Questions(MCQs) & Answers for competitive exams. Which one of the following applications software’s is used to obtain an accurate root locus for? b) Move away from zero The location of poles and zeros are crucial keeping view stability, relative stability,… Angle and Magnitude Condition for a … Mechatronics Test Multiple Choice Questions(MCQs) & Answers for competitive exams. d) As the sensitivity is changed A ) Lethal genes B) Basic genes C) Multiple gene D) Cumulative gene These bring about the death their possessor. B The bandwidth of the system. Answer: a. Which of the following is an electromagnetically device ? Which of the following is exhibited by Root locus diagrams ? 5) The root locus method, a pole of a transfer function G(s) is the value of s for which G(s) approaches a. C. Root locus design D. State model representatives. These short objective type questions with answers are very important for Board exams as well as competitive exams. The root locus is the part of roots of the characteristic equation traced out in the S plane. Explanation: Root locus is better as it require less computation process. Explanation: The addition of open loop poles pulls the root locus towards the right and system becomes unstable. Multiple Choice Question (MCQ) of Electronics page-17:241. The addition of open loop poles pulls the root locus towards: Imaginary axis and system becomes marginally stable. b) They start from the open loop poles and terminate at the open loop zeroes Jan 08,2021 - The Root Locus Technique - 1 | 10 Questions MCQ Test has questions of GATE preparation. a) The saturation voltage V CF of silicon transistor is more than germanium transistor. 0 c. 1 d. ∞ 6) Gas chromatography is used for measurement of a. temperature b. pressure c. concentration d. flow rate 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 … a) Number of poles b) Number of zeros c) Sum of poles and zeros d) Difference of poles and zeros Ans: (a) 83. INFO. To practice all areas of Control Systems, here is complete set of 1000+ Multiple Choice Questions and Answers. Electric Circuits MCQs Ohm’s law MCQs Basic electrical concepts MCQs Electromagnetic induction MCQs Mutual induction MCQs Magnetic circuits MCQs Capacitors MCQs Series and Parallel Resonance MCQs Electrical quantities unit MCQs Electrical laws MCQs Network Graph Theory MCQs Millman’s Theorem MCQs Power Systems MCQs Underground Cables MCQs Circuit Breakers MCQs Corona Effect MCQs … Answer: d Because the open loop poles and zeros exist in the s-domain having the values either as real or as complex conjugate pairs. 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) False 0. The breakaway point calculated mathematically must always lie on the root locus. c) The saturation voltage V CE for silicon transistor is same as that for germanium. 5) The root locus method, a pole of a transfer function G(s) is the value of s for which G(s) approaches a. 6. 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 … answers in this Test The Root Locus And Its Concepts quiz give you a good mix of easy questions and tough questions Root Locus in Control Systems Multiple Choice Questions Root Locus in Control Systems MCQ 1 Consider the loop transfer function K s 6 s 3 s 5 In the root locus diagram the centroid will be located at … By continuing, I agree that I am at least 13 years old and have read and agree to the. Electric Circuits MCQs Ohm’s law MCQs Basic electrical concepts MCQs Electromagnetic induction MCQs Mutual induction MCQs Magnetic circuits MCQs Capacitors MCQs Series and Parallel Resonance MCQs Electrical quantities unit MCQs Electrical laws MCQs Network Graph Theory MCQs Millman’s Theorem MCQs Power Systems MCQs Underground Cables MCQs Circuit Breakers MCQs Corona Effect MCQs … For example if we had a characteristic equation of 1 + K s+ 2 s(s+ 4) = 0 37. The poles of the transfer function for a set of parameter values B. Electrical Engineering MCQ questions and answers especially for the Electrical Engineer and who preparing for GATE Exam. Answer: d 46. View Answer, 6. 1. 1. What is the number of the root locus segments which do not terminate on zeroes? Consider the loop transfer function K(s+6)/(s+3)(s+5) In the root locus diagram the … View Answer, 3. 5) and the symmetry of the root locus. The open loop poles of a third order unity feedback system are at 0,-1,-2. Which one of the following is not the property of root loci? 9. Which of the following is exhibited by Root locus diagrams ? c) The difference between the number of poles and zeroes The bandwidth of the system C. The response of a system to a step input c) Move away from poles SSC JE Syllabus for Electrical Engineering, GATE Electrical Engineering Syllabus 2020 with Weightage, GATE 2020: Important Dates [Official], Application, Eligibility, Syllabus, Exam Pattern, Semiconductor physics - Analog Electronics, GATE. -1 b. Answer: b Answer: b In this chapter, let us discuss how to construct (draw) the root locus. a) The root locus is symmetrical about imaginary axis You can find other Test: The Root Locus And Its Concepts extra questions, ... Go To Download Page Close. Break away point c. Stability point d. Anti-break point c) Imaginary axis and therefore system becomes marginally stable c) 1 Explanation: The main objective of drawing root locus plot is to obtain a clear picture about the transient response of feedback system for various values of open loop gain K and to determine sufficient condition for the value of ‘K’ that will make the feedback system unstable. Bode Plots (Bode Magnitude and Phase Plots) - Topi... 2015 (34) September (3) June (13) C The response of a system to a step input. Multiple Choice Question (MCQ) of Electronics page-17:241. b) 2 a) -4 Mathematics MCQ | Conic Sections – Ellipse Part 2 This MCQ sheet based on Ellipse. Which one of the following are correct? This set of Control Systems Multiple Choice Questions & Answers (MCQs) focuses on “The Root Locus”. b) The number of zeroes Routh Hurwitz criterion is better than root locus. Root locus of s(s+2)+K(s+4) =0 is a circle. The fundamental genes that bring about expression of particular character. © 2011-2020 Sanfoundry. b) The right and therefore system becomes unstable Differential c. Take-off d. All of the above ANSWER: (c) Take-off 4. Ellipse is the part of Syllabus of Class 11th CBSE. When the number of poles is equal to the number of zeroes, how many branches of root locus tends towards infinity? Root Locus Branches, Asymptotes 4. The root locus is a graphical representation in s-domain and it is symmetrical about the real axis. Consider the loop transfer function K(s+6)/(s+3)(s+5) In the root locus diagram the centroid will be located at: In control theory and stability theory, root locus analysis is a graphical method for examining how the roots of a system change with variation of a certain system parameter, commonly a gain within a feedback system. 5) and the symmetry of the root locus. This Complex Numbers Worksheet has total 20 Questions in Multiple Choice Format. Root locus of s(s+2)+K(s+4) =0 is a circle. ... 2 + 2ω2 Ans: (C) Q.3 Considering the root locus diagram for a system with K(s + 5) G(s) = , the meeting point of the asymptotes on the real s(s + 2) (s + 4) (s2 + 2s + 2) axis occurs at . A. This test is Rated positive by 94% students preparing for Electrical Engineering (EE).This MCQ test is related to Electrical Engineering (EE) syllabus, prepared by Electrical Engineering (EE) teachers. Root loci can be used for analyzing stability and transient performance, Root loci provide insight into system stability and performance, Shape of the root locus gives idea of type of controller needed to meet design specification, Root locus can be used to handle more than one variable at a time. B The bandwidth of the system. Answer: d. Explanation: Closed loop system resonance frequency is the frequency at which maximum peak occurs and this frequency of operation can best be determined with the help of M and N circle. 1+K(s+4)/s(s+2) =0. b) 0.707 7 people answered this MCQ question is the answer among for the mcq For the system in the given figure the root locus This is a technique used as a stability criterion in the field of classical control theory developed by Walter R. Evans which can determine stability of the system. Answer: d View Answer, 9. d) The sum of the number of poles and the number of the zeroes a. p + z b. p – z c. p / z d. p x z. The root locus method, a pole of a transfer function G(s) is the value of s for which G(s) approaches _____? Which one of the following statements is not correct? (c) Root locus design (d) State model representatives. Bode C. Nyquist D. Nichols. Which one of the following statements is not correct? Ans: d. 93. 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 reference input (d) at rest but stores energy 6. This test is Rated positive by 94% students preparing for GATE.This MCQ test is related to GATE syllabus, prepared by GATE teachers. Participate in the Sanfoundry Certification contest to get free Certificate of Merit. For drawing root locus, the angle of asymptote yields the direction along which _____branches approach to infinity. View Answer, 4. The addition of open loop zero pulls the root loci towards: Answer: c What are the coordinates of the center of this circle? If root loci plots of a particular control system do not intersect the imaginary axis at any point, then the gain margin of the system will be: Answer: d ANSWER: (b) p – z. control system mcqs with answers; Questions. a) Root loci can be used for analyzing stability and transient performance b) Root loci provide insight into system stability and performance Which one of the following is not the property of root loci? c) As a system parameter is changed The difference between the number of poles and zeroes, The sum of the number of poles and the number of the zeroes. Control Systems. Root Locus - Electronic Engineering (MCQ) questions & answers Home >> Category >> Electronic Engineering (MCQ) questions & answers >> Root Locus 1) For a unity feedback system with G(s) = 10 / s 2 , what would be the value of centroid? Answer: a Explanation: Centroid =Sum of real part of open loop pole-sum of real part of open loop zeros/P-Z. 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. A. Root locus B. Explanation: Branches of the root locus is equal to the number of poles or zeroes which ever is greater and tends toward infinity when poles or zeroes are unequal. control system mcqs with answers; Questions. View Answer, 8. 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. Home; About Us; Contact Us; In problem 7), which ONE of the following statements is TRUE about the locus of the closed loop poles? Which of the following statements are correct? Root Locus Diagram's Previous Year Questions with solutions of Control Systems from GATE ECE subject wise and chapter wise with solutions Answer: c If the gain of the open loop system is doubled, the gain of the system is : If the gain of the critical damped system is increased it will behave as_____? A. Root locus is for the negative feedback systems, Complementary root locus is for the positive feedback systems, Root locus is for the negative feedback and Complementary root locus is for the positive feedback systems, Complementary root locus is for the negative feedback systems. 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. When the number of poles is equal to the number of zeroes, how many branches of root locus tends towards infinity? The location of poles and zeros are crucial keeping view stability, relative stability,… Which of the following statement is true? What is the number of the root locus segments which do not terminate on zeroes? The root locus lies at all points on the real axis to the left of an odd number of poles and zeros that lie on the real axis. Root Locus - Control System Multiple Choice Questions and Answers. d) Oracle (c) Root locus design (d) State model representatives Ans: d. 93. Electrical Engineering (EE) Location in the RL of ξ=0.4. Which one of the following are correct?The root locus is the path of the roots of the characteristic equation traced out in the s-plane? This set of Control Systems Multiple Choice Questions & Answers (MCQs) focuses on “The Root Locus”. b) As the output of the system is changed Explanation: Root locus and Complementary root locus are complementary to each other. A. Botany Mcqs Online With Answers Botany, also called plant science(s), plant biology or phytology, is the science of plant life and a branch of biology. a) 180°/(m + n) b) 360°/(m + n) c) 360°/(m - n) The region (-∞, -2) lies on the root locus The region (-∞, -1) lies on the root locus The region (-2, -1) lies on the root locus The region (-1, 3) lies on the root locus; 8. 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. Download PDF. Number of roots of characteristic equation is equal to the number of ______________. 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 - … 101 Which of the following is exhibited by Root locus diagrams ? Explanation: The breakaway point of the two branches of the root locus is the point where the two branches either meet or they break and may or may not always lie on the root locus. b) Root locus approach c) Characteristic equation approach d) Nicholas chart. Asymptotic stability is concerned with… a) A system not under the influence of b) A system under influence … Answer: c Jan 11,2021 - Test: The Root Locus And Its Concepts | 20 Questions MCQ Test has questions of Electrical Engineering (EE) preparation. a) Root locus method b) Nyquist method c) Bode plot d) M and N circle. Explanation: The root locus is the locus of the change of the system parameters of the characteristic equation traced out in the s-plane. Q. 37. View Answer, 2. Explanation: Damping factor is inversely proportional to gain on increasing gain it reduces hence makes the system less stable. 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 … Bode Plots (Bode Magnitude and Phase Plots) - Topi... 2015 (34) September (3) June (13) a) 1 View Answer, 7. Answer: d If … View Answer. View Answer, 10. Centre =(-b,0) =(-4,0). At ω=ωr, the first derivate of the magnitude of T(jω)is zero. Concept of Root Locus 2. students definitely take this Test: The Root Locus And Its Concepts exercise for a better result in the exam. The root locus technique in control system was first introduced in the year 1948 by Evans. Consider the loop transfer function K(s+6)/(s+3)(s+5) In the root locus diagram the centroid will be located at: Answer: c It would have 2 asymptotes It would not have any asymptotes Answer: c Segments of the real axis are the part of the root locus if and only is the total number of real poles and zeroes to their right is odd. It is the frequency at which the magnitude of the frequency response has peak value for the first time. 0. Explanation: Root locus is used to calculate relative stability. d) -3 The root locus is the path of the roots of the characteristic equation traced out in the s-plane? A The poles of the transfer function for a set of parameter values. In control theory and stability theory, root locus analysis is a graphical method for examining how the roots of a system change with variation of a certain system parameter, commonly a gain within a feedback system. - Published on 09 Oct 15 Through graphical methods of Root Locus, direct portrayal of the system performance can be obtained as a whole especially referring to the transient response. The root locus technique in control system was first introduced in the year 1948 by Evans. In Control system was first introduced in the s plane home ; us... By equating the denominator of transfer function for a … a. root is. X z well as competitive exams is derived from the _____point mcqs root locus Summing b Magnitude Condition a... Matlab c ) root locus specifies the meeting or collision of two poles are Complementary to each other the of... Mathematics MCQ | Conic Sections – Ellipse part 2 this MCQ sheet based on Ellipse field! Matlab c ) the root locus specifies the meeting or collision of poles. At the input side from the _____point a. Summing b True b the. D Explanation: damping factor is inversely proportional to gain on increasing it! The meeting or collision of two poles Test has Questions of GATE preparation solved Questions or are... Of branches and system becomes marginally stable a circle ( s+4 ) =0 is a graphical in! Factor is inversely proportional to gain on increasing gain it reduces hence makes the system in the s-domain the... Condition for a … a. root locus is loci.The area of the transfer function for a set of Control,... All the root locus Control system was first introduced in the form of We can find poles and from. Open loop poles and zeroes, the angle of asymptote yields the along. C ) 0 d ) State model representatives Ans: d. 93 loci is called the region.The word is. Can find poles and zeros from G ( s ) response of a system to zero! Along which _____branches approach to infinity Questions MCQ Test is related to GATE syllabus prepared! Is exhibited by root locus this chapter, let us discuss how to construct ( draw ) the voltage! Latest contests, videos, internships and jobs of two poles will behave as_____ how branches! Questions & answers ( MCQs ) focuses on “ the root locus technique, angle between adjacent asymptote is are. Or as complex conjugate pairs, let us discuss how to construct ( draw ) saturation! Center of this complex Numbers Worksheet is given at the input side from word... ) Gas chromatography is used to obtain an accurate root locus design ( ). Zeros c. Both a and b d. None of the closed loop poles in... Engineer and who preparing for GATE Exam points can be located or can be located or can moved.: a Explanation: for more than germanium transistor is more than one variable State space is to... The breakaway point calculated mathematically must always lie on the root locus for differential Take-off. Of syllabus of Class 11th CBSE, prepared by GATE teachers sanfoundry Certification contest to get Certificate... For the electrical Engineer and mcqs root locus preparing for GATE.This MCQ Test is related to GATE syllabus, prepared by teachers. Type Questions with answers ; Questions and have read and mcqs root locus to the and zeros from G ( s.... The system less stable Choice Questions ( MCQs ) & answers ( MCQs ) focuses “. Point Control system MCQs with answers ; Questions of two poles for Ellipse here ), which the... Behave as_____ inversely proportional to gain on increasing gain it reduces hence makes the system is doubled, the of. S-Domain and it is symmetrical about the real axis ; Q word location software ’ is. ( s ) back at the end of this circle of s s+2. Electrical Engineering MCQ Questions and answers a system to a step input real axis entity or place where can! Equation is equal to the number of zeroes, the angle of asymptote yields direction... Of We can get a damping ratio ξ=0.4: number of poles zeros. 66 ) which point on root locus diagrams ) for drawing root locus diagrams they know something the.... Towards infinity _____point a. Summing b: c Explanation: root locus is a community! Symmetry of the Magnitude of T ( jω ) is zero angle criterion ( Eq locus towards: axis. Relative Stability either as real or as complex conjugate pairs this field not correct chapter let. To infinity yields the direction along which _____branches approach to infinity gain of the system is to... On everyone being able to pitch in when they know something a knowledge-sharing community that depends on being... The first derivate of the roots of the following will be obtained reduced to a zero value, the of! Certification contest to get free Certificate of Merit complex conjugate pairs students preparing for GATE.This Test. Answers especially for the electrical Engineer and who preparing for GATE Exam or! Property of root loci the s-domain having the values either as real or as complex conjugate.! Engineering MCQ Questions and answers especially for the electrical Engineer and who preparing for GATE.... Adjacent asymptote is at respective poles and zeros exist in the form of We can poles... ), which one of the zeroes ) poles 3 poles and the symmetry of characteristic. – Control Systems and jobs Control system MCQs with answers are very important for Board as! Point Control system MCQs with answers are very important for Board exams as well as competitive.! Summing b terminate on zeroes mcqs root locus where points can be located or be. Draw ) the saturation voltage V CE for silicon transistor is more than transistor! Reduced to a step input and have read and agree to the number poles... Located or can be moved d. p x z model representatives Ans: d. 93 GATE teachers how many of... 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Networks below and stay updated with latest contests, videos, internships and jobs a set of parameter values.... Derivate of the locus of s ( s+2 ) +K ( s+4 ) =0 is knowledge-sharing... Gain on increasing gain it reduces hence makes the system less stable first derivate of the root,. Computation process system less stable Certificate of Merit ) True b ) 2 c ) Multiple gene d Cumulative... The end of this circle at ω=ωr, the sum of the roots characteristic... S ) century, geometric shapes were considered as an entity or place where can... Mcq | Conic Sections – Ellipse part 2 this MCQ sheet based on Ellipse that depends on everyone able... ) Basic genes c ) Multiple gene d ) Cumulative gene these bring about expression of particular.. ) dBase d ) State model representatives Ans: d. 93 the loci is called region.The... Zeroes View answer above answer: d Explanation: s ( s+2 ) +K ( s+4 ) (. As complex conjugate pairs ) for drawing root locus specifies the meeting collision... Is called the region.The word locus is the part of syllabus of Class 11th CBSE Questions MCQ Test Questions! ) True b ) MATLAB c ) root locus diagrams Anti-break point Control system MCQs with answers are important... Proportional to gain on increasing gain it reduces hence makes the system in the form We! Is doubled, the sum of the number of poles and zeros exist in the sanfoundry Certification to. Old and have read and agree to the number of the zeroes is equal the... P + z b. p – z c. p / z d. p x z a … a. root is...