Explanation: s(s+2)+K(s+4) =0 Nonlinear control systems MCQs Quizlet Bank 1. c) The difference between the number of poles and zeroes A. Root locus B. The location of poles and zeros are crucial keeping view stability, relative stability,… The root locus technique in control system was first introduced in the year 1948 by Evans. Figure 7 shows that we can get a damping ratio ξ=0.4. Before the 20th century, geometric shapes were considered as an entity or place where points can be located or can be moved. Which one of the following statements is not correct? 6. Centre =(-b,0) =(-4,0). Location in the RL of ξ=0.4. In this chapter, let us discuss how to construct (draw) the root locus. b) The saturation voltage V CE for germanium transistor is more than silicon transistor. 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. For drawing root locus, the angle of asymptote yields the direction along which _____branches approach to infinity. d) As the sensitivity is changed Answer Keys of this Complex Numbers Worksheet is given at the end of this sheet. Electrical Engineering MCQ questions and answers for an engineering student to practice, GATE exam, interview, competitive examination and entrance exam. 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 … a) Coincide with zero 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. View Answer, 9. The location of poles and zeros are crucial keeping view stability, relative stability,… View Answer, 7. 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. 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. There are total 20 Questions in this MCQ Sheet. It is the frequency at which the magnitude of the frequency response has peak value for the first time. Any physical system is represented by a transfer function in the form of We can find poles and zeros from G(s). Answer: b Zeros c. Both a and b d. None of the above ANSWER: (a) Poles 3. Answer: c The open loop poles of a third order unity feedback system are at 0,-1,-2. Poles b. 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. 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. b) Move away from zero 5) and the symmetry of the root locus. b) MATLAB Q. Explanation: Root locus is better as it require less computation process. Which of the following statements are correct? Root Locus for the compensated system. 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. By equating the denominator of transfer function to zero, which among the following will be obtained? These short objective type questions with answers are very important for Board exams as well as competitive exams. 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. You can find other Test: The Root Locus And Its Concepts extra questions, 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. Bode C. Nyquist D. Nichols. View Answer, 8. This set of Control Systems Multiple Choice Questions & Answers (MCQs) focuses on “The Root Locus Concepts”. What is the number of the root locus segments which do not terminate on zeroes? For example if we had a characteristic equation of 1 + K s+ 2 s(s+ 4) = 0 ... 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 . What are the coordinates of the center of this circle? 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. This set of Control Systems Multiple Choice Questions & Answers (MCQs) focuses on “The Root Locus”. The root locus is a graphical representation in s-domain and it is symmetrical about the real axis. 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. If the gain of the critical damped system is increased it will behave as_____? a. Centroid b. Complex Numbers Worksheet – part 1 This Worksheet is based on topic complex numbers. Answer: a 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. control system mcqs with answers; Questions. 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. 1+K(s+4)/s(s+2) =0. 7 people answered this MCQ question is the answer among for the mcq For the system in the given figure the root locus The fundamental genes that bring about expression of particular character. b) 2 It is denoted by ωr. 0. 1. If … 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 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. EduRev is a knowledge-sharing community that depends on everyone being able to pitch in when they know something. b) As the output of the system is changed 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. setting the gain K=51.2: >> z=0.4; >> sgrid(z,0); Use right click to select the damping: Figure 7. Participate in the Sanfoundry Certification contest to get free Certificate of Merit. Answer: a Topics covered are 1. 0 c. 1 d. ∞ 6) Gas chromatography is used for measurement of a. temperature b. pressure c. concentration d. flow rate These short solved questions or quizzes are provided by Gkseries. 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. It would have 2 asymptotes It would not have any asymptotes B. Join our social networks below and stay updated with latest contests, videos, internships and jobs! The root locus technique in control system was first introduced in the year 1948 by Evans. 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. This test is Rated positive by 94% students preparing for GATE.This MCQ test is related to GATE syllabus, prepared by GATE teachers. Break away point c. Stability point d. Anti-break point a) Root locus method b) Nyquist method c) Bode plot d) M and N circle. 37. d) Equal to number of zeroes INFO. 65) For drawing root locus, the angle of asymptote yields the direction along which _____branches approach to infinity. While increasing the value of gain K, the system becomes. 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 Angle and Magnitude Condition for a … Which one of the following are correct? - Published on 09 Oct 15 Concept of Root Locus 2. Electrical Engineering (EE) Answer: b Asymptotic stability is concerned with… a) A system not under the influence of b) A system under … A locus is a set of points, in geometry, which satisfies a given condition or situation for a shape or a figure. a. p + z b. p – z c. p / z d. p x z. 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. This mock test of Test: The Root Locus And Its Concepts for Electrical Engineering (EE) helps you for every Electrical Engineering (EE) entrance exam. Root Locus Diagram's Previous Year Questions with solutions of Control Systems from GATE ECE subject wise and chapter wise with solutions Multiple Choice Question (MCQ) of Electronics page-17:241. Q. Mechatronics Test Multiple Choice Questions(MCQs) & Answers for competitive exams. Answer: c The root locus is the path of the roots of the characteristic equation traced out in the s-plane? Explanation: Damping factor is inversely proportional to gain on increasing gain it reduces hence makes the system less stable. 5) The root locus method, a pole of a transfer function G(s) is the value of s for which G(s) approaches a. b) They start from the open loop poles and terminate at the open loop zeroes 101 Which of the following is exhibited by Root locus diagrams ? c) 1 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. 1. ... 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 . Answers Keys are given at the end of this sheet. a. setting the gain K=51.2: >> z=0.4; >> sgrid(z,0); Use right click to select the damping: Figure 7. ... Go To Download Page Close. View Answer, 5. A The poles of the transfer function for a set of parameter values. b) The right and therefore system becomes unstable Root Locus for the compensated system. Electrical Engineering MCQ questions and answers especially for the Electrical Engineer and who preparing for GATE Exam. At ω=ωr, the first derivate of the magnitude of T(jω)is zero. c) The breakaway points are determined from dK/ds = 0 Answer: d Answer: a d) Oracle a) The left and therefore system becomes more stable These short solved questions or quizzes are provided by Gkseries. Download PDF. c) As a system parameter is changed Which one of the following applications software’s is used to obtain an accurate root locus for? 0=−12[(1−ur2)2+(2δur)2]−32[4ur(ur2−1+2δ2)] ⇒4ur(ur2−1+2δ2)=0 ⇒ur2−1+2δ2=0 ⇒ur2=1−2δ2 ⇒ur=1… The bandwidth of the system C. The response of a system to a step input This arises because of the angle criterion (Eq. A. Root locus of s(s+2)+K(s+4) =0 is a circle. 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 - … 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. b) Root locus approach c) Characteristic equation approach d) Nicholas chart. A. Which one of the following is correct ? If the gain of the system is reduced to a zero value, the roots of the system in the s-plane. b) The number of zeroes a) -4 d) The sum of the number of poles and the number of the zeroes View Answer, 2. c) 0 The root locus method, a pole of a transfer function G(s) is the value of s for which G(s) approaches _____? Consider the loop transfer function K(s+6)/(s+3)(s+5) In the root locus diagram the centroid will be located at: 6. The breakaway point calculated mathematically must always lie on the root locus. 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 - … - Published on 09 Oct 15 A The poles of the transfer function for a set of parameter values. There are total 20 Questions in this chapter, let us discuss how to construct ( draw the. The output signal is fed back at the end of this circle arises because of transfer... ) dBase d ) State model representatives Ans: d. 93 of 1000+ Multiple Question. A step input a botanist, plant scientist or phytologist is a graphical representation in s-domain and it is about. 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