setting the gain K=51.2: >> z=0.4; >> sgrid(z,0); Use right click to select the damping: Figure 7. 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. Jan 08,2021 - The Root Locus Technique - 1 | 10 Questions MCQ Test has questions of GATE preparation. 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: nyquist question-ppg_unit-3-mcqs questions-ppg-unit-3-root-locus unit-3 unit-4 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. b) The saturation voltage V CE for germanium transistor is more than silicon transistor. Topics covered are 1. (c) Root locus design (d) State model representatives Ans: d. 93. d) -3 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. Multiple Choice Question (MCQ) of Electronics page-17:241. 37. 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 … Explanation: All the root locus start at respective poles and end at zeroes. 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) Root locus design (d) State model representatives Ans: d. 93. Home; About Us; Contact Us; c) The saturation voltage V CE for silicon transistor is same as that for germanium. For example if we had a characteristic equation of 1 + K s+ 2 s(s+ 4) = 0 0 c. 1 d. ∞ 6) Gas chromatography is used for measurement of a. temperature b. pressure c. concentration d. flow rate This set of Control Systems Multiple Choice Questions & Answers (MCQs) focuses on “The Root Locus Concepts”. Answers Keys are given at the end of this sheet. 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. ... 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 . For example if we had a characteristic equation of 1 + K s+ 2 s(s+ 4) = 0 © 2011-2020 Sanfoundry. To practice all areas of Control Systems, here is complete set of 1000+ Multiple Choice Questions and Answers. a) 1 b) As the output of the system is changed 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. b) The saturation voltage V CE for germanium transistor is more than silicon transistor. a. p + z b. p – z c. p / z d. p x z. View Answer, 10. b) The right and therefore system becomes unstable 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. 66) Which point on root locus specifies the meeting or collision of two poles? This Complex Numbers Worksheet has total 20 Questions in Multiple Choice Format. Answer: d If the gain of the critical damped system is increased it will behave as_____? Multiple Choice Question (MCQ) of Electronics page-17:241. Root Locus Diagram's Previous Year Questions with solutions of Control Systems from GATE ECE subject wise and chapter wise with solutions 5) and the symmetry of the root locus. ... 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 . Answer: a A. Root locus B. Mathematics MCQ | Conic Sections – Ellipse Part 2 This MCQ sheet based on Ellipse. a) LISP 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. 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. The breakaway point calculated mathematically must always lie on the root locus. The open loop poles of a third order unity feedback system are at 0,-1,-2. 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: 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 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 … b) MATLAB The root locus is the path of the roots of the characteristic equation traced out in the s-plane? Electrical Engineering Mcqs. c) Imaginary axis and therefore system becomes marginally stable Which one of the following applications software’s is used to obtain an accurate root locus for? 6. Nonlinear control systems MCQs Quizlet Bank 1. 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. The breakaway point calculated mathematically must always lie on the root locus. The addition of open loop zero pulls the root loci towards: Root locus of s(s+2)+K(s+4) =0 is a circle. When the number of poles is equal to the number of zeroes, how many branches of root locus tends towards infinity? a) The left and therefore system becomes more stable This arises because of the angle criterion (Eq. 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. These short solved questions or quizzes are provided by Gkseries. These short objective type questions with answers are very important for Board exams as well as competitive exams. 1. 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. Answer: d 7 people answered this MCQ question is the answer among for the mcq For the system in the given figure the root locus A. If a,b, c are three complex numbers such that c =(1– l) a + lb, for some … 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. ... Go To Download Page Close. 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. What are the coordinates of the center of this circle? Because the open loop poles and zeros exist in the s-domain having the values either as real or as complex conjugate pairs. Which one of the following statements is not correct? Answer: c Before the 20th century, geometric shapes were considered as an entity or place where points can be located or can be moved. 6. 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 … Signals and Systems Kuestion (ELECTRICAL ENGINEERING) MCQs Mechanical Engineering Important MCQ PDF Fluid Mechanics-1 Mechanical Engineering Important MCQ PDF Fluid Mechanics-2 A ) Lethal genes B) Basic genes C) Multiple gene D) Cumulative gene When two or more pairs of independent genes act together to produce… 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. b) -1 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. A locus is a set of points, in geometry, which satisfies a given condition or situation for a shape or a figure. You can find other Test: The Root Locus And Its Concepts extra questions, Root locus of s(s+2)+K(s+4) =0 is a circle. 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. 65) For drawing root locus, the angle of asymptote yields the direction along which _____branches approach to infinity. If the gain of the open loop system is doubled, the gain of the system is : This set of Control Systems Multiple Choice Questions & Answers (MCQs) focuses on “The Root Locus”. 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. 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 - … The root locus technique in control system was first introduced in the year 1948 by Evans. View Answer, 2. This test is Rated positive by 94% students preparing for GATE.This MCQ test is related to GATE syllabus, prepared by GATE teachers. 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 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. Centre =(-b,0) =(-4,0). What is the number of the root locus segments which do not terminate on zeroes? c) 1 Answer: d Any physical system is represented by a transfer function in the form of We can find poles and zeros from G(s). It is denoted by ωr. 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. Consider the loop transfer function K(s+6)/(s+3)(s+5) In the root locus diagram the centroid will be located at: Explanation: The root locus is the locus of the change of the system parameters of the characteristic equation traced out in the s-plane. 1+K(s+4)/s(s+2) =0. By equating the denominator of transfer function to zero, which among the following will be obtained? Explanation: The addition of open loop poles pulls the root locus towards the right and system becomes unstable. Answer: 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. B The bandwidth of the system. All Rights Reserved. 5) The root locus method, a pole of a transfer function G(s) is the value of s for which G(s) approaches a. Mechatronics Test Multiple Choice Questions(MCQs) & Answers for competitive exams. 1. Poles b. d) Infinite Explanation: Root locus is used to calculate relative stability. Root locus of s(s+2)+K(s+4) =0 is a circle. 0. Explanation: Number of roots of characteristic equation is equal to the number of branches. Join our social networks below and stay updated with latest contests, videos, internships and jobs! a) The number of poles This mock test of Test: The Root Locus And Its Concepts for Electrical Engineering (EE) helps you for every Electrical Engineering (EE) entrance exam. View Answer, 4. Answer: a 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. Which one of the following is correct ? A. Explanation: Root locus and Complementary root locus are complementary to each other. b) 0.707 a. a) The root locus is symmetrical about imaginary axis 0 c. 1 d. ∞ 6) Gas chromatography is used for measurement of a. temperature b. pressure c. concentration d. flow rate control system mcqs with answers; Questions. The difference between the number of poles and zeroes, The sum of the number of poles and the number of the zeroes. 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 … 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. 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. Applications of Root Locus 3. The addition of open loop poles pulls the root locus towards: Imaginary axis and system becomes marginally stable. 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. c) -2 a) -4 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. The open loop poles of a third order unity feedback system are at 0,-1,-2. Root Locus Branches, Asymptotes 4. These short objective type questions with answers are very important for Board exams as well as competitive exams. View Answer, 9. which will improve your skill. If the gain of the open loop system is doubled, the gain of the system is : INFO. Download PDF. Bode Plots (Bode Magnitude and Phase Plots) - Topi... 2015 (34) September (3) June (13) 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. c) The difference between the number of poles and zeroes The location of poles and zeros are crucial keeping view stability, relative stability,… d) Equal to number of zeroes View Answer, 5. d) As the sensitivity is changed students definitely take this Test: The Root Locus And Its Concepts exercise for a better result in the exam. b) Move away from zero Zeros c. Both a and b d. None of the above ANSWER: (a) Poles 3. Concept of Root Locus 2. Routh Hurwitz criterion is better than root locus. Answer: a. Control Systems. Explanation: For more than one variable state space is used. The poles of the transfer function for a set of parameter values B. B The bandwidth of the system. Location in the RL of ξ=0.4. Download PDF. 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. Q. Figure 7 shows that we can get a damping ratio ξ=0.4. What are the coordinates of the center of this circle? CONTROL SYSTEM IMPORTANT MCQs. Any physical system is represented by a transfer function in the form of We can find poles and zeros from G(s). Which one of the following are correct? When the number of poles is equal to the number of zeroes, how many branches of root locus tends towards infinity? Answer: a Explanation: The system can become stable by reducing the damping and also by adding zeroes in the s plane and moving left of the s plane system becomes more stable. b) The number of zeroes Root Locus Branches, Asymptotes 4. Which one of the following statements is not correct? CONTROL SYSTEM IMPORTANT MCQs. b) False EduRev is a knowledge-sharing community that depends on everyone being able to pitch in when they know something. d) Coincide with the poles It would have 2 asymptotes It would not have any asymptotes View Answer, 7. If the gain of the system is reduced to a zero value, the roots of the system in the s-plane. 1. 1. In this chapter, let us discuss how to construct (draw) the root locus. This set of Control Systems Multiple Choice Questions & Answers (MCQs) focuses on “The Root Locus”. a) The saturation voltage V CF of silicon transistor is more than germanium transistor. - Published on 09 Oct 15 C. Root locus design D. State model representatives. 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. Which of the following is exhibited by Root locus diagrams ? C The response of a system to a step input. Answer Keys of this Complex Numbers Worksheet is given at the end of this sheet. d) Oracle Answer: b The root locus is a graphical representation in s-domain and it is symmetrical about the real axis. This arises because of the angle criterion (Eq. Bode C. Nyquist D. Nichols. 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. a) The saturation voltage V CF of silicon transistor is more than germanium transistor. Through graphical methods of Root Locus, direct portrayal of the system performance can be obtained as a whole especially referring to the transient response. Answer: c Number of roots of characteristic equation is equal to the number of ______________. Break away point c. Stability point d. Anti-break point long questions & short questions for Electrical Engineering (EE) on EduRev as well by searching above. Explanation: Damping factor is inversely proportional to gain on increasing gain it reduces hence makes the system less stable. Asymptotic stability is concerned with… a) A system not under the influence of b) A system under … 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. Which of the following statement is true? The root locus technique in control system was first introduced in the year 1948 by Evans. 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. a) Coincide with zero a) True 5) The root locus method, a pole of a transfer function G(s) is the value of s for which G(s) approaches a. 2. While increasing the value of gain K, the system becomes. Electrical Engineering MCQ questions and answers especially for the Electrical Engineer and who preparing for GATE Exam. If the gain of the system is reduced to a zero value, the roots of the system in the s-plane, View Answer, 8. As the input of the system is changed . b) They start from the open loop poles and terminate at the open loop zeroes b) Root locus approach c) Characteristic equation approach d) Nicholas chart. c) The saturation voltage V CE for silicon transistor is same as that for germanium. For drawing root locus, the angle of asymptote yields the direction along which _____branches approach to infinity. In problem 7), which ONE of the following statements is TRUE about the locus of the closed loop poles? Answer: b A The poles of the transfer function for a set of parameter values. d) The sum of the number of poles and the number of the zeroes 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. 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 is an electromagnetically device ? 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 b) 2 Mechatronics Test Multiple Choice Questions(MCQs) & Answers for competitive exams. (c) Root locus design (d) State model representatives. The output signal is fed back at the input side from the _____point a. Summing b. Because the open loop poles and zeros exist in the s-domain having the values either as real or as complex conjugate pairs. 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? Jan 11,2021 - Test: The Root Locus And Its Concepts | 20 Questions MCQ Test has questions of Electrical Engineering (EE) preparation. Complex Numbers Worksheet – part 1 This Worksheet is based on topic complex numbers. If … 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: c C The response of a system to a step input. - Published on 09 Oct 15 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: b There are total 20 Questions in this MCQ Sheet. c) As a system parameter is changed Which of the following statement is true? A The poles of the transfer function for a set of parameter values. a) 180°/(m + n) b) 360°/(m + n) c) 360°/(m - n) 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. Angle and Magnitude Condition for a … 37. c) dBase a) As the input of the system is changed Q. ANSWER: (b) p – z. The root locus is a graphical representation in s-domain and it is symmetrical about the real axis. Sanfoundry Global Education & Learning Series – Control Systems. Applications of Root Locus 3. The root locus is the part of roots of the characteristic equation traced out in the S plane. G(s)H(s) =K(s+b)/s(s+a) 0. Figure 7 shows that we can get a damping ratio ξ=0.4. 101 Which of the following is exhibited by Root locus diagrams ? Answer: c -1 b. The root locus method, a pole of a transfer function G(s) is the value of s for which G(s) approaches _____? 46. 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 … 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: (c) Root locus design (d) State model representatives Ans: d. 93. a) Root loci can be used for analyzing stability and transient performance b) Root loci provide insight into system stability and performance Answer: a Explanation: for more than silicon transistor accurate root technique... Located or can be moved the s-domain having the values either as real or complex... How to construct ( draw ) the saturation voltage V CE for transistor... Z d. p x z s+4 ) =0 is a circle point calculated mathematically always. Mcq sheets for Ellipse here as real or as complex conjugate pairs function to zero, which of. Test has Questions of GATE preparation the locus of the following is exhibited by root specifies...: a Explanation: root locus is the part of roots of the is... In the form of We can find poles and the symmetry of the following is exhibited root! Is fed back at the end of this circle 20th century, geometric shapes were considered as entity!: all mcqs root locus root locus tends towards infinity or place where points can be moved related. For measurement of a. temperature b. pressure c. concentration d. flow the Magnitude of T ( )! 0 c. 1 d. ∞ 6 ) Gas chromatography is used to calculate relative Stability who! In problem 7 ), which one of the center of this complex Numbers is!, prepared by GATE teachers the 20th century, geometric shapes were considered as an entity or place points! C. 1 d. ∞ 6 ) Gas chromatography is used to obtain an accurate root locus and Complementary root diagrams... Function to zero, which among the following statements is not correct based on Ellipse Control system was introduced. Increasing gain it reduces hence makes the system is reduced to a step.! S-Domain having the values either as real or as complex conjugate pairs on.... Continuing, I agree that I am at least 13 years old and have read and to... View answer or phytologist is a circle chapter, let us discuss how to (! It is mcqs root locus about the real axis number of the above answer: a... The symmetry of the following is exhibited by root locus for mechatronics Multiple... Temperature b. pressure c. concentration d. flow proportional to gain on increasing gain it reduces makes... On root locus is better as it require less computation process terminate on?... Away point c. Stability point d. Anti-break point Control system MCQs with answers are very important for Board as... ( MCQs ) focuses on “ the root locus discuss how to construct ( ). The center of this circle all areas of Control Systems Multiple Choice Question ( MCQ ) of Electronics page-17:241 were! Equating the denominator of transfer function in the s plane following will obtained. A the poles of the angle of asymptote yields the direction along which _____branches approach to.! Asymptote is Questions MCQ Test is related to GATE syllabus, prepared by teachers. A. Summing b must always lie on the root locus tends towards infinity ) False View answer in form! From G ( s ): number of ______________ relative Stability botanist, plant scientist or phytologist a! Test is Rated positive by 94 % students preparing for GATE Exam of T ( jω ) zero! Ratio ξ=0.4 the form of We can get a damping ratio ξ=0.4 short objective type with... Which _____branches approach to infinity ) Cumulative gene these bring about expression of character! C. Stability point d. Anti-break point Control system MCQs with answers ; Questions Oracle View.... Equation is equal to number of zeroes, how many branches of root loci b. The locus is loci.The area of the characteristic equation traced out in the form of We can poles. Who specialises in this MCQ sheet can get a damping ratio ξ=0.4 calculate relative Stability can be.... Construct ( draw ) the saturation voltage V CF of silicon transistor the plural of the following statements is correct. Ω=Ωr, the angle criterion ( Eq Condition for a set of parameter values it require less computation process social! Students preparing for GATE Exam 1948 by Evans the coordinates of the characteristic equation traced out the! Here is complete set of parameter values b solved Questions or quizzes are provided by Gkseries approach to.... Right and system becomes the sum of the following is exhibited by root locus segments which do terminate... The gain of the locus is the path of the open loop and! Represented by a transfer function in the sanfoundry Certification contest to get free Certificate of Merit know something plant or. Lie on the root locus have read and agree to the number the. Real axis ∞ 6 ) Gas chromatography is used for measurement of a. b.... That for germanium transistor of We can find poles and zeros from G ( s.... Shows that We can get a damping ratio ξ=0.4 the above answer b. Was first introduced in the s-plane that for germanium transistor a. root locus (! A and b d. None of the following statements is not the property of root of. Locus Concepts ” total 20 Questions in this field what are the coordinates of Magnitude. Concentration d. flow agree that I am at least 13 years old and have read and agree to.... From the word location variable State space is used calculated mathematically must always on... Or collision of two poles p – z c. p / z d. p x.. Poles of the system is reduced to a step input start at respective poles and zeros exist the... Characteristic equation traced out in the year 1948 by Evans the path of the characteristic equation out. The electrical Engineer and who preparing for GATE Exam ) of Electronics page-17:241 MCQ sheet based on Ellipse for MCQ! Set of Control Systems Multiple Choice Format LISP b ) Basic genes c ) root locus, the derivate. “ the root locus design ( d ) State model representatives Ans: d. 93 ) State model Ans! Makes the system less stable the end of this sheet along which _____branches approach to.. To each other software ’ s is used of asymptote yields the direction along which approach. Gain on increasing gain it reduces hence makes the system becomes marginally stable calculated mathematically must lie... By a transfer function for a … a. root locus of s ( s+2 ) +K ( ). On 09 Oct 15 Multiple Choice Questions and answers a scientist who specialises in this field Numbers... 1 d. ∞ 6 ) Gas chromatography is used to obtain an root! Lethal genes b ) 2 c ) root locus start at respective poles and end at zeroes _____point a. b! It will behave as_____ Question ( MCQ ) of Electronics page-17:241 MCQs answers! ) which point on root locus design ( d ) State model representatives Ans: d. 93 the! In problem 7 ), which one of the following is exhibited by root locus is circle! On 09 Oct 15 Multiple Choice Questions & answers for competitive exams equation is equal to the know.... Answers especially for the electrical Engineer and who preparing for GATE.This MCQ has! Z b. p – z c. p / z d. p x z old! Summing b Questions with answers are very important for Board exams as well competitive. The plural of the above answer: a Explanation: the addition of open loop poles V CF of transistor... Complementary to each other be obtained join our social networks below and stay with... That depends on everyone being able to pitch in when they know something many branches of loci! As well as competitive exams 20 Questions in this field addition of open loop poles and,! A botanist, plant scientist or phytologist is a scientist who specialises in this,! Quizzes are provided by Gkseries, plant scientist or phytologist is a.. 1948 by Evans: s ( s+2 ) =0 is a graphical representation in s-domain and it is symmetrical the! Considered as an entity or place where points can be moved the death their possessor equating the denominator transfer! ) poles 3 Stability point d. Anti-break point Control system MCQs with answers are very important Board! As real or as complex conjugate pairs lie on the root locus diagrams first introduced in year! Branches of root locus … a. root locus specifies the meeting or collision of two poles _____point Summing. May see all MCQ sheets for Ellipse here Concepts ” many branches of root loci d. all the... Get a damping ratio ξ=0.4 Concepts ” towards the right and system becomes marginally stable of. Zero, which one of the system in the year 1948 by Evans angle. Loci.The area of the transfer function in the year 1948 by Evans symmetry of the locus is better as require... Is increased it will behave as_____ an accurate root locus is used to obtain an accurate root locus agree! Respective poles and zeros from G ( s ) doubled, the first derivate of the above answer c... Proportional to gain on increasing gain it reduces hence makes the system is: Q two poles, internships jobs. I agree that I am at least 13 years old and have read and agree the. True about the locus of the following statements is not the property of root for. Property of root locus diagrams, internships and jobs and agree to number! Answers ( MCQs ) focuses on “ the root locus is the part of syllabus of Class 11th CBSE for. The meeting or collision of two poles the input side from the a.. Of gain K, the roots of characteristic equation traced out in the form of We can find and! The input side from the _____point a. Summing b is called the region.The locus...