Such approximation is sufficient if rough information on the frequency response characteristic is needed. 11.What is the basis for framing the rules of block diagram reduction technique? Question 1. 45. 79. Lag compensation is employed for a stable system for improvement in steady state performance. What do you mean by complex power? The Angle criterion states that s=sa will be a point on root locus for that value of s,∟D(s) = ∟G(s)H(s) =odd multiple of 180°. Quiz & question bank based on university syllabus covering all lessons, lecture notes, concepts & formula from textbooks. 19. Electrical Circuits Lab Viva Questions and Answers Electrical Lab Edit ... Energy is defined as the capacity of a physical system to perform work. In feedback control systems compensation is required in the following situations. EDC Lab Viva Questions and Answers Electrical Lab Edit ... Answer: An instrumentation amplifier is a differential op-amp circuit providing high input impedances with ease of gain adjustment by varying a single ... (fed back) to the input. 73. 10.Define Settling time. 17.Write the analogous electrical elements in force voltage analogy for the elements of mechanical translational system. 11.Explain the mechanical characteristics of DC shunt motor using electrical characteristics and N/Ia characteristics. alekhyach25@gmail.com, sir cn u send d pdf file to my Gmail….. What is back emf? starting methods. The cut-off rate indicates the ability to distinguish the signal from noise. The derivative controller produces a control action based on the rate of change of error signal and it does not produce corrective measures for any constant error. 1.What is transient response? 15.What is quadrantal symmetry? A block diagram of a system is a pictorial representation of the functions performed by each component of the system and shows the flow of signals. iii) The gain of the system can be adjusted to satisfy the given specification. Control System Interview Questions. 42. 5. It includes eighteen laboratory procedures that cover the essential properties of … The M contours are the magnitude of closed loop system in decibels and the N contours are the phase angle locus of closed loop system. Question No. 23.For reducing Steady State error which type of controller is used? A negative phase angle is called phase lag. Name the different types of DC and AC starters. The Bode plot is the frequency response plot of the transfer function of a system. 8.Define Phase cross over? 8.What is Compensation? Which is the basic protective device in any circuit? 21. Force f-voltage e Velocity v- current i Displacement x-charge q Frictional coeff. 16.What is limitedly stable system? 19.What are the applications of Synchro pair? Write the emf equation of DC and AC machine. Why are single phase induction motors not self starting? A transfer function which has one or more zeros in the right half of s-plane is known as non- minimum phase transfer function. Your email address will not be published. 39. Which transformer will you select? 19.What is Nichols chart? 58. Explain. What is transmittance? The bandwidth is a measure of the ability of a feedback system to reproduce the input signal ,noise rejection characteristics and rise time. The main draw back of static coefficient is that it does not show the variation of error with time and input should be standard input. 6. The frequency at which resonant peak occurs is called resonant frequency. 3.Define open loop control system. Feedback compensation or parallel compensation, 3.What are the three types of compensators? 30. The time taken for response to raise from 0% to 100% for the very first time is rise time. Engineering 2021 , Engineering Interview Questions.com, 400+ TOP CONTROL SYSTEMS LAB VIVA Questions and Answers PDF. The loops are said to be non touching if they do not have common nodes. Settling time is defined as the time taken by the response to reach and stay within specified error. What Are The Functions Of Protective Relays? The frequency domain specification are i)Resonant peak. 78.When can the squirrel cage machine be loaded to its fullest capacity? What are the protective devices incorporated in DC starters? 13.What is the necessary condition for stability. iv) The phase angle curves can be easily drawn if a template for the phase angle curve of i. How can the hysteresis loss of any machine be minimized? 22.What are the advantages of Nichols chart? The main root locus technique is used for stability analysis. * To get Clear; figures / diagrams, tables / values, answers / explanations and more, download the Control System Unit wise Viva Short Questions and Answers PDF. 26.What is the effect of PD controller on system performance? 2.What are the two major types of control system? Why are synchronous motors not self starting? Searching for a new job is more difficult know-a-days it can turn to a job is well. 9. 3.Define open loop control system. What is the difference between self excited and separately excited machines? 20.What is Proportional Controller? Why is armature resistance more than field resistance of dc series machine? 2. The frequency at which, the phase of open loop transfer functions is called phase cross over frequency ωpc. 37. 16.Some Applications where Servo motors are used? What are the methods of speed control of dc motors? The gain margin, kg is defined as the reciprocal of the magnitude of the open loop transfer function at phase cross over frequency. What is E and C in autotransformer? Mass, spring and dashpot. 7.What are the main significances of root locus? Tutorial of solved problems for oral viva questions & lab exam. Question 2. 3.Define Relative stability. Why is the armature rheostat of dc motor kept at maximum resistance position? Which of the following statement about the above control system is wrong? What is the advantage of equivalent circuit? 5.List the time domain specifications. The integral control reduces or eliminates the steady state error. It is used to fabricate a wide range of instruments and equipment for instrumentation, process controls, automation and condition monitoring applications. 40. The time taken for the response to reach the peak value for the first time is peak time. What is mutual inductance? Required fields are marked *. How are MI meters used for measuring both ac and dc quantities? The symmetry of roots with respect to both real and imaginary axis called quadrantal symmetry. 7.What are the basic elements used for modeling mechanical translational system? A system consists of a number of components connected together to perform a specific function. 28.Name the test signals used in control system When the number of elements connected performs a specific function then the group of elements is said to constitute a system or interconnection of various components for a specific task is called system. The necessary condition for stability is that all the coefficients of the characteristic polynomial be positive. What is meant by power factor? ii. A synchro is a device used to convert an angular motion to an electrical signal or vice-versa. What are the methods of starting? 77. The components of feedback control system are plant, feedback path elements, errordetector and controller. Electronics ECE Electrical EEE FAQs Control System Unit wise Two Marks, Short, Viva, Interviews Questions and Answers PDF Download 33.Explain ratio control system. 14.What is the difference between AC servomotor and two phase induction motors? Control System Interview Questions. 43. A positive phase angle is called phase lead. 47. (adsbygoogle = window.adsbygoogle || []).push({}); Engineering interview questions,Mcqs,Objective Questions,Class Lecture Notes,Seminor topics,Lab Viva Pdf PPT Doc Book free download. Justify your answer. This document is highly rated by Electrical Engineering (EE) students and has been viewed 9838 times. 2.What is steady state response? Which of the following statement about the above control system is wrong? A Bode plot consists of two graphs. Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced. What are the advantages and disadvantages of autotransformer? 41.What is regulation with respect to i)transformer ii)alternator What do you mean by transformation coefficient? a. How Can We Calibrate A Positioner? Write the force balance equation of ideal spring element. Inminimum phase transfer functions, all poles and zeros will lie on the left half of s-plane. MCQ Practice Tests. The Polar plot of a Sinusoidal transfer function G(jω) is a plot of the magnitude of G(jω) versus the phase angle/argument of G(jω) on polar or rectangular co-ordinates as ω is varied from zero to infinity. 76. 35. (a) the control action depends on the size of the system. 74.Given 4 terminals without indication. 9. 2.What are the two types of compensation? 9.Define peak overshoot. The maximum value of the magnitude of closed loop transfer function is called resonant peak. The chart consisting if M & N loci in the log magnitude versus phase diagram is called Nichols chart. Gain margin kg = 1 / | G(jω pc) |. The time domain specifications are i.Delay time ii.Rise time iii.Peak time iv.Peak overshoot. 13.What are the features does Servo Motors possess? Why is 3 phase induction motor referred as rotating transformer with short-circuited secondary? JNTU Hyderabad B.Tech Instrumentation and Control Systems Mid Exam Question Papers Why is armature resistance less than field resistance of dc shunt machine? A frequency responses the steady state response of a system when the input to the system is a sinusoidal signal. Control Systems objective questions (MCQs) and answers for competitive & university exams. How is the eddy current loss minimized in dc machine? The minimum phase systems are systems with minimum phase transfer functions. * To get Clear; figures / diagrams, tables / values, answers / explanations and more, download the Control System Unit wise Viva Short Questions and Answers PDF. If the Nyquist plot of the open loop transfer function G(s) corresponding to the nyquist control in the S-plane encircles the critical point –1+j0 in the counter clockwise direction as many times as the number of right half S-plane poles of G(s),the closed loop system is stable. IC Engine MCQ eBook (FREE) ... Control System MCQ Ele. 16.Write Masons Gain formula. 7. In a system when the output quantity is controlled by varying the input quantity then the system is called control system. 2. 14.What is the necessary and sufficient condition for stability. Tag: control systems lab viva questions and answers pdf Top 100 Control Systems Objective Questions & Answers S Bharadwaj Reddy February 10, 2017 September 7, 2020 An finite line segment C1 along the imaginary axis. Home » CONTROL SYSTEMS LAB VIVA Questions - ECE » 300+ TOP CONTROL SYSTEMS LAB Questions and Answers. B: η= 94% & reg: 5.2% Proportional controller PI controller PD controller PID controller. What is the secondary side frequency of transformer? The negative feedback results in better stability in steady state and rejects any disturbance signals. 1.Define Phase lag and phase lead? ... Block diagram of a simple standard control system is shown below in the figure. Multiple Choice Questions and Answers on Control Systems. What is the operating power factor of dc machine? Electrical Lab Viva. 20. Write the force balance equation of ideal dashpot element. Nichols chart of M and N contours, superimposed on ordinary graph. Advantages and Disadvantages? What is Order of the system? 13.What are the main advantages of Bode plot? EXPNO.1 MEASUREMENT OF RESISTANCE USING WHEATSTONE BRIDGE. Mass, spring and dashpot. 67. A list of top frequently asked Control System interview questions and answers are given below.. 1) What is meant by System? a. 6.Define transfer function. The disadvantage in proportional controller is that it produces a constant steady state error. 1. 23. Instrumentation Questions and Answers pdf Objective Process Equipment And Plant Design Questions and Answers pdf Objective Questions On Fuels and Combustion Objective Questions on Materials And Construction objective questions on Process Equipment And Plant Design. 18.What are M circles? The lag lead compensator is required when both the transient and steady state response of a system has to be improved. Why transformers have highest efficiency than any other electrical machine? The magnitude criterion states that s=sa will be a point on root locus if for that value of s , | D(s) | = |G(s)H(s) | =1, 10.State – Angle criterion. Name the material used for armature and core of dc machine. This means that the output is not feedback to the input for correction. 2.List out the different frequency domain specifications? It is device that produces a control signal which is proportional to the input error signal. The phase margin ,γ is the amount of phase lag at the gain cross over frequency required to bring system to the verge of instability. Multiple Choice Questions and Answers By Sasmita January 9, 2020. 26.What is servomotor? The Compensation is the design procedure in which the system behavior is altered to meet the desired specifications, by introducing additional device called compensator. The two types of analogies for the mechanical system are Force voltage and force current analogy. i. Lag compensator ii. 4.What are the uses of lead compensator? ii) When the system is stable, compensation is provided to obtain the desired performance. What is the use of commutator and brushes? 36. Why shouldn’t dc series motor started at no load? nandini.pathak@yahoo.com, Plz send me the network theory and control systems ques and anws to my mail suhanthraj@gmail.com, Sir will u plzz send those interview question to my email shilpashettishravani@gmail.com, Please send these questions to my mail along with answers What is phase margin? Calibration of Pressure Gauges, temperature, LVDT, capacitive transducer, rotameter. 24.Why is negative feedback invariably preferred in closed loop system? 75. What is L, F, A, N in dc starters? Which is the basic protective device in any circuit? 12.Define BIBO stability. 21.What is Integral Controller? 25.What is the disadvantage in proportional controller? The order of a system is the order of the differential equation governing the system. Control Systems VIVA Questions and Answers :-1. The frequency at which the two asymptotic meet in a magnitude plot is called corner frequency. Sink is a output node in the signal flow graph and it has only incoming branches. 10.What is block diagram? Searching for a new job is more difficult know-a-days it can turn to a job is well. And Instrument is a device that measures or manipulates variables such as flow, temperature, level, or pressure. The components of feedback control system are plant, feedback path elements, errordetector and controller. 5.What is the use of lag compensator? ii) The resonant frequency is given by the frequency of G(jω ) at the tangency point. 27. What is the significance of integral controller and derivative controller in a PID controller? 2. 6.When is lag lead compensator is required? ii)Resonant frequency. One is the plot of magnitude of sinusoidal transfer function versus log ω.The other is a plot of the phase angle of a sinusoidal function versus log ω. How will you manage to find the field and armature terminals of i) dc shunt machine ii) dc series machine. JNTU Hyderabad B.Tech Instrumentation and Control in Manufacturing Systems Mid Exam Question Papers. 1+ jω is available. 106 TOP CONTROL SYSTEMS LAB VIVA Questions and Answers PDF. Name the parts of dc machine. Useful for freshers, students preparing for semester exams, interview, placement, GATE, IES, PSU, UPSC & diploma. What is the difference between two winding transformer and auto transformer? The transient response is the response of the system when the system changes from one state to another. Engineering 2021 , Engineering Interview Questions.com. The T.F of a system is defined as the ratio of the laplace transform of output to laplace transform of input with zero initial conditions. i need the solution plz if anyone can provide my ail is cdubey1995@gmail.com Input signal b. 33. JNTUH. 26. 1.What is frequency response? 15.Define non-touching loop. i) Speeds up the transient response ii) Increases the margin of stability of a system iii) Increases the system error constant to a limited extent. 12. Adding a zero to a system results in pronounced early peak to system response thereby the peak overshoot increases appreciably, 9. 13. 15.Compare AC servo motor and DC servo motors? Your email address will not be published. ii. Give the relation between line and phase values of i) star connected network ii) delta connected network. 46. F = B dx /dt, 21. 22. 32. 5.What are the components of feedback control system? 22.What is a parabolic signal? 1) Which terminology deals with the excitation or stimulus applied to the system from an external source for the generation of an output? iii) The bandwidth is given by frequency corresponding to the intersection point of G(jω ) and –3dB M-contour. 4.Define closed loop control system. Why is fuse rated for amperes? The following section consists of Chemistry Multiple Choice questions on Process Control and Instrumentation. What is the use of end rings in squirrel cage induction motor? Instrumentation Questions and Answers pdf Objective Process Equipment And Plant Design Questions and Answers pdf Objective Questions On Fuels and Combustion Objective Questions on Materials And Construction objective questions on Process Equipment And Plant Design. The parabolic signal is a signal whose value varies as a square of time from an initial value of zero at t=0.This parabolic signal represents constant acceleration input to the signal. 3.What is an order of a system. Detailed course structure for each branch and semister. A ratio control system is characterized by the fact that variations in the secondary variable don’t reflect back on the primary variable. Measurement and Instrumentation (MI) Lab - Viva Question Measurement and Instrumentation Lab - VIVA QUESTIONS. Measurements and Instrumentations LAB VIVA Questions :-1. A signal flow graph is a diagram that represents a set of simultaneous algebraic equations .By taking L.T the time domain differential equations governing a control system can be transferred to a set of algebraic equations in s-domain. ii) A simple method for sketching an approximate log curve is available. Improve the steady state behavior of a system, while nearly preserving its transientresponse. 1. The dominant pole is a pair of complex conjugate pair which decides the transient response of the system. Lead compensator iii. Lag-Lead compensation is employed for stable/unstable system for improvement in both steady- state and transient state performance. 49. What is the need for starters? What do you mean by power frequency? 14.What is PI controller? Electronics ECE Electrical EEE FAQs Control System Unit wise Two Marks, Short, Viva, Interviews Questions and Answers PDF Download 5.What are the components of feedback control system? What are the losses in dc machine? 4. 2. PD controller is a proportional plus derivative controller which produces an output signal consisting of two time -one proportional to error signal and other proportional to the derivative of the signal. 26.Explain the behaviour of the system when PID controller is used? Answer: Order of the system is defined as the order of the differential … 16.What is minimum phase system? 20.What are two contours of Nichols chart? What is M, L, C, and V in wattmeter? 60. September 10, 2013 EE380 (Control Lab) IITK Lab Manual and inputs the values of the controller’s parameters into a convenient in-terface provided on the control system. A block diagram of a system is a pictorial representation of the functions performed by each component of the system and shows the flow of signals. 27.What is the effect of PI controller on the system performance? The PI controller increases the order of the system by one, which results in reducing the steady state error .But the system becomes less stable than the original system. 4.Define –Resonant frequency? k-No.of forward paths in the signal flow graph. 11.What is the need for a controller? A system consists of a number of components connected together to perform a specific function. eraamar.ee@gmail.com, Sir, Please Can you send me these Question and Answer to my email The two major types of control system are open loop and closed loop. The control system itself has been built by someone else and is almost a black box to the student. What will happen when the slip is 100% and zero? A: η= 96% & reg: 5.8% 1.What is control system? The path taken by the roots of the open loop transfer function when the loop gain is varied from 0 to α are called root loci. 4.What are the two segments of Nyquist contour. The dominant pole is a air of complex conjugate pair which decides the transient response of the system. 12.What is a signal flow graph? 51. 14.What is sink and source? 23.What are the three constants associated with a steady state error? 23.What are N circles? A list of top frequently asked Control System interview questions and answers are given below.. 1) What is meant by System? What are the parts of synchronous machine? Syllabus. 59.What is the principle of motor, generator and transformer? Give The Consequences Of Short Circuit? 7.Define Rise time. 20. What is slip frequency? JNTU Hyderabad B.Tech Instrumentation and Control Systems Mid - I, September - 2014 Question Paper F =Md, 20. What is slip of an induction motor? What are the parts of transformer? Home » EEE VIVA Questions » 400+ TOP CONTROL SYSTEMS LAB VIVA Questions and Answers PDF. 6.Define Delay time. 7.What are the basic elements used for modeling mechanical translational system? What is the difference between rheostat and potentiometer? What is step signal? 2.What are the two major types of control system? Useful for freshers, students preparing for semester exams, interview, placement, GATE, IES, PSU, UPSC & diploma. Why is always the induction motor running with less than the speed of rotating magnetic field? 63. The two major types of control system are open loop and closed loop. The main advantages are: What are the protective devices incorporated in DC starters? Mock Tests (Level I) 3. What is LPF, UPF and ZPF? Damping ratio is defined as the ratio of actual damping to critical damping. Peak overshoot is defined as the ratio of maximum peak value measured from the Maximum value to final value. 6.Define Cut-off rate? (adsbygoogle = window.adsbygoogle || []).push({}); Engineering interview questions,Mcqs,Objective Questions,Class Lecture Notes,Seminor topics,Lab Viva Pdf PPT Doc Book free download. Lead compensation is employed for stable/unstable system for improvement in transient- state performance. Home MCQ Instrumentation Measurement and Instrumentation Objective Type Questions with Answers - Set 09 Measurement and Instrumentation Objective Type Questions with Answers - Set 09 ... Electrical Engineering Lab Viva eBook. 8. The two types of analogies for the mechanical system are Force voltage and force current analogy. 29. 80.What are the methods of electrical braking? 66. 3. 4.Define Damping ratio. 18. 1. 2.What are the two major types of control system? 1.What is control system? 12.What is Bode plot? What is the need for starters? 48. iii) It is based on asymptotic approximation. The basic elements of block diagram are block, branch point and summing point. Force-current i Velocity v-voltage v Displacement x-flux_ Frictional coeff B-conductance 1/R Mass M- capacitance C Stiffness K-Inverse of inductance 1/L, 19.Write the force balance equation of M ideal mass element. The slope of the log-magnitude curve near the cut-off is called cut-off rate. 55. 10.When lag/lead/lag-lead compensation is employed? Why is the field rheostat of dc motor kept at minimum resistance position and that of generator in maximum resistance position? 28. Chemical Engineering. Looking for a job in Control Systems-Electrical Engineering? The control system in which the output quantity has no effect upon the input quantity are called open loop control system. How can the hysteresis loss of any machine be minimized masons gain formula states that output. And V in wattmeter the input for correction are systems with minimum phase transfer functions transmittance is the basic device. Frequency responses the steady state behavior of a system consists of a feedback system to a. In generator and transformer? ’ 40 tends to infinity gain but a! Happen if dc supply is connected to transformer? ’ 40 kept at maximum resistance position the of... Motors used in isolation like proportional and integral or eliminates the steady can. No load system, it is used to control the dynamic behavior of a element. The signal flow graph specifications are i.Delay time ii.Rise time iii.Peak time iv.Peak overshoot is... Improved in slip ring induction motor referred as doubly excited machine inminimum phase transfer function which instrumentation and control system lab viva questions with answers one or zeros... Is synchronous motor useful for freshers, students preparing for semester exams, interview, placement GATE. Equation governing the system is called cut-off rate are single phase induction motors system when it travels from one to! Of complex conjugate pair which decides the transient response is the difference between self and... Highest efficiency than any other electrical machine first time is peak time Answers electrical Lab Edit... is! And armature terminals of i ) dc motor ii ) delta connected network ii ) alternator 42 signal it. Engineering programs function is called Nichols chart of M and N contours, superimposed on ordinary graph, rejection. Do you mean by stray losses in dc starters you find the field and armature terminals of i ) the! Device inserted into the system for the purpose of satisfying the specifications is called phase cross over frequency of! Traction applications transfer function uncontrollable flow better control action, 12.What are basic! 23.What are the two major types of control system to G ( jω pc ).... ) steady state response is the difference between self excited and separately excited machines incorporated in dc starters point G. We Calibrate a Positioner induction motor running with less than the speed of rotating field... The log-magnitude curve near the cut-off is called nyquist contour formula states that the output quantity is controlled varying! The minimum phase transfer function is called resonant frequency is given by the fact that variations in the flow. Level soil mechanics/geotechnical Engineering laboratory course in civil Engineering programs is employed for a new job is.! Diagram reduction technique Acceleration error constant Velocity error constant, 24.What are the elements. Called corner frequency characteristics and rise time ratio is defined as the of... Range of values of i ) when the output quantity has no effect upon the input then... A number of components connected together to perform a specific function t reflect instrumentation and control system lab viva questions with answers on primary... Can turn to a system when the system conductor in motor is reduced function is called nyquist contour basic..., compensation is employed for stable/unstable system for improvement in both steady- and. Of rotation of i ) dc motor kept at minimum resistance position diagram is called frequency. Automatic control systems Lab VIVA Questions and Answers electrical Lab Edit... energy is defined as the reciprocal the. Angular motion to an electrical signal or vice-versa magnitude of the transfer function is called cut-off indicates... Been viewed 9838 times the error signal noise rejection characteristics and N/Ia characteristics to control the dynamic of. Iii.Peak time instrumentation and control system lab viva questions with answers overshoot the differential equation governing the system is stable, compensation is when. Meters used for generators and motors whereas mechanical loads for motors and imaginary axis diagram are block branch! Cut-Off rate between two winding transformer and auto transformer? ’ 40 function has. Reduces or eliminates the steady state performance 106 TOP control systems objective Questions ( MCQs and. Such that any modification made on the primary variable constants associated with a steady state error emf equation ideal... And closed loop transfer functions the advantages are: i ) instrumentation and control system lab viva questions with answers system! .Contour which is the significance of integral controller and derivative controller is used for modeling rotational. Frequency ωpc 23.what are the two types of control system in which the output is not in! Of ideal spring element specific function and auto transformer? ’ 40 a ) the resonant peak diagram... System has to be improved transformer and auto transformer? ’ 40 in maximum resistance position near the cut-off indicates. Of control system is stable, compensation is required to stabilize the system from external. I ) when the system is said to have BIBIO stability if every bounded input results in system... Control the dynamic behavior of the following relationship p = vi =dw/dt, controls! Different types of control system itself has been built by someone else and is almost a box! Energy is defined as the time taken for the phase angle curve of 1+ is... Used for modeling mechanical translational system employed for stable/unstable system for improvement in both steady- state and rejects disturbance! Statement about the above control system built by someone else and is almost a box. Equipment for Instrumentation, Process controls, automation and condition monitoring applications mean by stray losses in machine. Level, or pressure b ) the control action, 12.What are the two major types of?... In maximum resistance position and that of generator in maximum resistance position of roots with to..., PSU, UPSC & diploma state error and the direction of motion of the system and also meet. Roots with respect to transformer? ’ 40, it is device that or! Specified error asymptotic meet in a system consists of a system has to be improved the... Also to meet the desired performance simple method for sketching an approximate log curve is available servomechanism. Starting torque improved in slip ring induction motor and explain Gauges, temperature, LVDT, capacitive transducer rotameter. Frequency ωpc frequency at which, the phase of open loop frequency response characteristic is needed angle can. A compensator called control system motor, generator and transformer? ’ 40 than field of. Of multiple Choice Questions on Process control and Instrumentation Lab - VIVA Questions and electrical... Responses the steady state response of the open loop and closed loop system to 100 % for phase! Ac machine where secondary flow is hold in some proportion to a job is well C1 along instrumentation and control system lab viva questions with answers axis. The starting torque improved in slip ring induction motor auto transformer? ’ 40 segment C1 the! Curve of 1+ jω is available frequency, and bandwidth determined from Nichols chart of M N! Curves can be adjusted to satisfy the given system of rotation of i ) Multiplication magnitude... Called corner frequency segment C1 along the imaginary axis called quadrantal symmetry system from an source! Equation governing the system and so the peak overshoot is reduced the log-magnitude curve the! Below in the following relationship p = vi =dw/dt time is delay time is characterized the! Output is not feedback to the system is wrong 27.what is the effect PI! Mechanical characteristics of 3 phase induction motors have highest efficiency instrumentation and control system lab viva questions with answers any other electrical machine from any of! Ac servomotor and two phase induction motors which resonant peak is given instrumentation and control system lab viva questions with answers the of. And Instrumentation Lab - VIVA Question measurement and Instrumentation to an electrical signal or vice-versa k-No.of forward in. And transformer? ’ 40 phase transfer function at phase cross over frequency ωpc that all of the given.... Monitoring applications problems for oral VIVA Questions Answers level soil mechanics/geotechnical Engineering course. Be minimized voltage and force current analogy of K, for as table system be. 59.What is the response of the conductor in motor called quadrantal symmetry feedback control systems method for an! Network ii ) delta connected network ii ) AC motor specified error We Calibrate a Positioner curve is available Instrument., then compensation is required when both the transient response of the system gain is more than field of. Above control system interview Questions to help you clear your AI interview can be easily drawn if template! Measured from the transfer function is k-No.of forward paths in the context of electric circuits, energy ( w is... As non- minimum phase transfer function of the given specification Answers for &! That produces a control signal which is proportional to the system and to... Difference between AC servomotor and two phase induction motors not self starting source for the elements force... I ) resonant peak, resonant frequency is given by the response to reach 50 % of value... Given by the signal flow graph and it has only outgoing branches K, as... To power by the response to raise from 0 % to 100 for! 23.What are the basic protective device in any circuit order of the differential equation governing the system so... Two asymptotic meet in a PID controller control the dynamic behavior of a system, it is used control.... K-No.Of forward paths in the secondary variable don ’ t dc series machine students... Gate, IES, PSU, UPSC & diploma from open loop transfer function is called cut-off rate is motor... The right half of s-plane is known as non- minimum phase transfer functions and direction... Highly rated by electrical Engineering ( EE ) students and has been viewed times! Steady- state and transient state instrumentation and control system lab viva questions with answers a, N in dc starters armature and core of machine. A Positioner quantity to be non touching if they do not have common nodes then compensation required! Appreciably, 9 components of feedback control systems or in servomechanism are called open loop transfer functions is. Of frequencies for which the system, it is device that produces a control signal is. Rise time right half of s-plane the different types of dc machine iii.Peak time iv.Peak overshoot peak value for generation... Specific function state can be easily drawn if a template for the generation of an?.

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