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The gain margin, kg is defined as the reciprocal of the magnitude of the open loop transfer function at phase cross over frequency. Why is synchronous motor referred as doubly excited machine? Name the material used in various parts. What is mutual inductance? i. What are the parts of transformer? ... Block diagram of a simple standard control system is shown below in the figure. Why is series motor best suited for traction applications? Here we have compiled a list of Artificial Intelligence interview questions to help you clear your AI interview. Why is the armature rheostat of dc motor kept at maximum resistance position? 8.Define peak time. 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. 26.What is the effect of PD controller on system performance? 12. Multiple Choice Questions and Answers By Sasmita January 9, 2020. How can the hysteresis loss of any machine be minimized? A linear relaxed system is said to have BIBIO stability if every bounded input results in a bounded output. Peak overshoot is defined as the ratio of maximum peak value measured from the Maximum value to final value. 5.What is bandwidth? 1. MCQ Practice Tests. 1. 23.What are the three constants associated with a steady state error? What is the use of commutator and brushes? Pre-requisites: Basic principles of Instrumentation and control systems Course Outcomes: At the end of the course, the student will be able to Characterize and calibrate measuring devices. Write the emf equation of DC and AC machine. Multiple Choice Questions and Answers on Control Systems. 75. Write the force balance equation of ideal spring element. 19.What are the applications of Synchro pair? 20. 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Useful for freshers, students preparing for semester exams, interview, placement, GATE, IES, PSU, UPSC & diploma. determined. 63. What is transmittance? The frequency domain specification are i)Resonant peak. 37. Electronics ECE Electrical EEE FAQs Control System Unit wise Two Marks, Short, Viva, Interviews Questions and Answers PDF Download 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. 6.Define Cut-off rate? 18.Define Steady state error. 8.What are the basic elements used for modeling mechanical rotational system? ii) When the system is stable, compensation is provided to obtain the desired performance. 3. ... Control System MCQ Ele. Given transformers A and B with following details: Electrical Circuits Lab Viva Questions and Answers Electrical Lab Edit ... Energy is defined as the capacity of a physical system to perform work. alekhyach25@gmail.com, sir cn u send d pdf file to my Gmail….. Control Systems objective questions (MCQs) and answers for competitive & university exams. Calibration of Pressure Gauges, temperature, LVDT, capacitive transducer, rotameter. 11. Such approximation is sufficient if rough information on the frequency response characteristic is needed. The magnitude of closed loop transfer function with unit feed back can be shown to be in the for every value if M.These circles are called M circles. It is device that produces a control signal consisting of two terms – one proportional to error signal and the other proportional to the integral of error signal. 34. 15. In feedback control systems compensation is required in the following situations. Electrical Lab Viva. What is the use of end rings in squirrel cage induction motor? 4.Define closed loop control system. 106 TOP CONTROL SYSTEMS LAB VIVA Questions and Answers PDF. The servomechanism is a feedback control system in which the output is mechanical position (or time derivatives of position velocity and acceleration,). What are the losses in dc machine? Which is the basic protective device in any circuit? 15.What is Polar plot? 3.Define open loop control system. 7. The rules for block diagram reduction technique are framed such that any modification made on the diagram does not alter the input output relation. Name the types of self excited dc machine. 4. 72. 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 4.Define closed loop control system. The two major types of control system are open loop and closed loop. Source is the input node in the signal flow graph and it has only outgoing branches. Give its significance. 6.What is a dominant pole? Relative stability is the degree of closeness of the system, it is an indication of strength or degree of stability. What is the difference between rheostat and potentiometer? 17.Write the analogous electrical elements in force voltage analogy for the elements of mechanical translational system. thank you, sir, please send me answer of this questin, i need to get the answers of these questios, SIR PLEASE SEND INTERVIEW QUESTIONS TO MY MAIL ID, Good questions … Sir will u send me these questions with ans to my mail id, sir can u send me answer of these questions @ravijeeva2@gmail.com, Plz send me questions with answer if possible, my email id 7.What are the basic elements used for modeling mechanical translational system? The minimum phase systems are systems with minimum phase transfer functions. 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Answers PDF ( MI ) Lab - VIVA Questions and Answers for &... 3 phase induction motors w ) is related to power by the response to reach 50 of! Formula states that the output is not feedback to the input output relation made on size. Velocity v- current i Displacement x-charge q Frictional coeff for stability analysis PDF Microwave Engineering Lab Questions. Working component of current with respect to both real and imaginary axis of! Of block diagram reduction technique are framed such that any modification made on the size of the for. University syllabus covering all lessons, lecture notes, concepts & formula textbooks... Bode plot is called control system is k-No.of forward paths in the signal flow graph a simple standard control.. It is used ) frequency domain specification are i ) it is used is 100 and. The mechanical characteristics of 3 phase induction motors the measured value deviates from the maximum value the... 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