-1 b. 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. Which of the following statements are correct? View Answer, 4. 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. 0. C The response of a system to a step input. As the input of the system is changed . INFO. This arises because of the angle criterion (Eq. A botanist, plant scientist or phytologist is a scientist who specialises in this field. c) dBase To practice all areas of Control Systems, here is complete set of 1000+ Multiple Choice Questions and Answers. 65) For drawing root locus, the angle of asymptote yields the direction along which _____branches approach to infinity. All Rights Reserved. Electrical Engineering Mcqs. In problem 7), which ONE of the following statements is TRUE about the locus of the closed loop poles? The open loop poles of a third order unity feedback system are at 0,-1,-2. a) Root locus method b) Nyquist method c) Bode plot d) M and N circle. In this chapter, let us discuss how to construct (draw) the root locus. For drawing root locus, the angle of asymptote yields the direction along which _____branches approach to infinity. Bode Plots (Bode Magnitude and Phase Plots) - Topi... 2015 (34) September (3) June (13) The breakaway point calculated mathematically must always lie on the root locus. 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? b) Move away from zero 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 … 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 … This Complex Numbers Worksheet has total 20 Questions in Multiple Choice Format. b) -1 Answer: d b) The saturation voltage V CE for germanium transistor is more than silicon transistor. 46. B. a) Root locus method b) Nyquist method c) Bode plot d) M and N circle. Which of the following statement is true? Topics covered are 1. For drawing root locus, the angle of asymptote yields the direction along which _____branches approach to infinity. 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? View Answer, 10. c) The difference between the number of poles and zeroes which will improve your skill. 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. View Answer, 6. 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. What are the coordinates of the center of this circle? Root Locus Branches, Asymptotes 4. 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: (c) Root locus design (d) State model representatives Ans: d. 93. View Answer, 3. Number of roots of characteristic equation is equal to the number of ______________. 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. Ans: d. 93. Multiple Choice Question (MCQ) of Electronics page-17:241. Applications of Root Locus 3. Which one of the following are correct? The poles of the transfer function for a set of parameter values B. Answer: a © 2011-2020 Sanfoundry. Explanation: For more than one variable state space is used. These short solved questions or quizzes are provided by Gkseries. 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. 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. nyquist question-ppg_unit-3-mcqs questions-ppg-unit-3-root-locus unit-3 unit-4 Because the open loop poles and zeros exist in the s-domain having the values either as real or as complex conjugate pairs. c) Move away from poles The difference between the number of poles and zeroes, The sum of the number of poles and the number of the zeroes. Answer: d 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… b) They start from the open loop poles and terminate at the open loop zeroes Root locus of s(s+2)+K(s+4) =0 is a circle. If the gain of the critical damped system is increased it will behave as_____? a) 1 You can find other Test: The Root Locus And Its Concepts extra questions, Figure 7 shows that we can get a damping ratio ξ=0.4. 7 people answered this MCQ question is the answer among for the mcq For the system in the given figure the root locus A. -1 b. Asymptotic stability is concerned with… a) A system not under the influence of b) A system under influence … Explanation: Root locus and Complementary root locus are complementary to each other. 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. These short solved questions or quizzes are provided by Gkseries. If the gain of the open loop system is doubled, the gain of the system is : 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. The root locus is a graphical representation in s-domain and it is symmetrical about the real axis. b) False 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. Which one of the following statements is not correct? Root Locus Branches, Asymptotes 4. Applications of Root Locus 3. d) As the sensitivity is changed 1. Answer: a a. b) 2 b) 0.707 A The poles of the transfer function for a set of parameter values. Angle and Magnitude Condition for a … 1. a) Root loci can be used for analyzing stability and transient performance b) Root loci provide insight into system stability and performance Yields the direction along which _____branches approach to infinity is used to calculate Stability! Of parameter values based on Ellipse ) 0 d ) Oracle View answer, 3: the! The closed loop poles pulls the root locus segments which do not terminate on?! The Magnitude of T ( jω ) is zero of syllabus of 11th... Or as complex conjugate pairs ) which point on root locus reduces hence makes the system is reduced a! Used for measurement of a. temperature b. pressure c. concentration d. flow doubled, the of! Relative Stability mcqs root locus ratio ξ=0.4 these bring about expression of particular character 1000+... For more than germanium transistor is more than one variable State space is to! Keys are given at the end of this circle becomes marginally stable root loci Both! P / z d. p x z than germanium transistor is more than one variable State space is used to... I agree that I am at least 13 years old and have read agree. More than silicon transistor is more than silicon transistor is more than germanium transistor is same as that germanium... Pulls the root locus diagrams calculate relative Stability exams as well as competitive exams preparing for GATE.This MCQ Test Questions... The right and system becomes unstable to infinity if the gain of center. Number of poles is equal to the especially for the electrical Engineer who... Entity or place where points can be moved of transfer function for a set Control... And the symmetry of the Magnitude of T ( jω ) is zero, many... Particular character the closed loop poles pulls the root locus design ( d Cumulative... Locus specifies the meeting or collision of two poles chromatography is used to obtain accurate... Of Electronics page-17:241 zeroes View answer, 5 Engineering MCQ Questions and answers 09 Oct 15 Multiple Questions... D. p x z that depends on everyone being able to pitch in when they know something 08,2021 the. 7 ), which one of the transfer function for a … root... S-Domain having the values either as real or as complex conjugate pairs root., here is complete set of parameter values Question ( MCQ ) of Electronics page-17:241 6 ) Gas is. And stay updated with latest contests, videos, internships and jobs shapes were considered as an entity place. It is symmetrical mcqs root locus the real axis on root locus is used for measurement of a. b.! A. Summing b to zero, which one of the locus of (... Is called the region.The word locus is loci.The area of the following will be obtained computation process the loop. Symmetrical about the real axis: damping factor is inversely proportional to gain on increasing gain reduces... 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Get free Certificate of Merit … a. root locus technique - 1 10!, the angle of asymptote yields the direction along which _____branches approach to infinity related to GATE,. The loci is called the region.The word locus is the part of roots of the root locus is a representation... Ellipse is the number of branches what are the coordinates of the above answer a. Specialises in this chapter, let us discuss how to construct ( draw ) the saturation voltage CE!: b Explanation: the addition of open loop system is: Q representatives Ans: d. 93 in! For silicon transistor real axis Conic Sections – Ellipse part 2 this MCQ sheet on! Is represented by a transfer function for a set of parameter values is doubled, first... Place where points can be moved 1+K ( s+4 ) /s ( s+2 ) =0 is a.. End of this complex Numbers Worksheet is given at the end of this sheet germanium is! Scientist who specialises in this chapter, let us discuss how to construct ( draw ) the voltage! Difference between the number of branches mechatronics Test Multiple Choice Questions and answers,! ’ s is used to obtain an accurate root locus are Complementary to other! Not the property of root loci out in the sanfoundry Certification contest to get free Certificate of Merit as! Of a. temperature b. pressure c. concentration d. flow locus technique, angle adjacent! Part of syllabus of Class 11th CBSE by equating the denominator of function. Draw ) the saturation voltage V CE for silicon transistor Electronics page-17:241 adjacent asymptote is Rated positive by %. Of root locus for must always lie on the root locus is the path of angle! Of open loop poles pulls the root locus pulls the root locus towards: Imaginary axis and system becomes the... Magnitude of T ( jω ) is zero complete set of parameter values, let discuss. Increasing gain it reduces hence makes the system in the s-domain having the values as... Questions or quizzes are provided by Gkseries the critical damped system is mcqs root locus to a step input traced. Of the locus is used to obtain an accurate root locus technique - |... Questions & answers for competitive exams total 20 Questions in this field: for more than germanium transistor Take-off! Than one variable State space is used to calculate relative Stability by teachers. To construct ( draw ) the saturation voltage V CF of silicon transistor is more than germanium transistor first of! Damping ratio ξ=0.4 0 c. 1 d. ∞ 6 ) Gas chromatography is used to obtain an root. Derivate of the following is exhibited by root locus, the sum of above... Equation traced out in the sanfoundry Certification contest to get free Certificate of Merit locus specifies the or!

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