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Introduction to Attractors, Spirals and Limit Cycles. But a vehicle can be statically stable and dynamically unstable (for example, if the initial tendency to return toward equilibrium leads to an overshoot, it is possible to have an oscillatory divergence of continuously increasing amplitude). Nov 24,2021 - Test: Time Response Of Second Order Systems - 1 | 10 Questions MCQ Test has questions of Electrical Engineering (EE) preparation. V1=400 kV and X=100 Ohm 15. If roots lie on the positive half side of s-plane, system if un-stable. sitting up and getting into and out of bed by the patient. There is contact only at higher point of the two elements while in motion. The full form of word MAC in MAC address is. //js. View Answer / Hide Answer. Question 14:- Which of these is not a reason why some firms do not have strategic planning. Answer: a. The above matrix can be written in the form of an equation: s^2 + 3s -6 = 0. For a stable system, all roots of characteristic equation (Poles of the system) must lie in negative half of s plane. 1. Theory of Machines solved mcqs. CONTROL SYSTEM IMPORTANT MCQs. (c) Dynamic response (d) Either of the above. d) It leads to easy word of mouth publicity. View Answer. We often use differential equations to model a dynamic system such as a valve opening or tank filling. Now, we will find the roots using Routh's array table, as shown below: There are two sign changes in the first column. (b) discharge is difficult to measure. safety rail on a hospital bed. Mechanical Vibration MCQ. The modified value of the steady s… Causal and non-causal systems A system is said to be causal if the output of the system at any time t depends only on the present Answer: a. SSC MCQ & Online Tests; Reasoning MCQ & Online Tests; ITI/NCTVT Online Tests; Recent Posts. term arrival rate of work to a system is greater than the rate at which the system can perform work, the CPU queues grow without bound. These multiple-choice questions are very useful if you are planning to appear in UGC NET, IAS, or UPSC examinations. (d) y(n)=x(n+2) The output depends on future value of input. Couple acting on the system due to dynamic force should be zero 3. PART 5: MCQ from Number 201 - 250 Answer key: PART 5. Ecosystem Multiple Choice Questions and Answers 1. A only at z = 0. 92) If the system is represented by characteristic equation s 6 + s 4 + s 3 + s 2 + s + 3 = 0, then the system is_____ a. Output is dependent on control input. 34. 10. (c) Dynamic response (d) Either of the above Ans: a. If a force of 3400 pounds is applied to a circular piston 2 inches in diameter, calculate the fluid pressure working against the piston. stochastic control system. 3. An automatic toaster is a ______ loop control system. The recycling of elements in an ecosystem is called (a) chemical cycle (b) geological cycle (c) biogeochemical cycle (d) geochemical cycle Answer: (c) biogeochemical cycle 3. Also, if a system gives zero output for any input and gives the same output for many inputs, then the system is non-invertible. In an open loop control system. Consider the function F (s)= 5/s(s2+3s+2), the initial value of f (t) is: A) 5 B) 5/2 C) 5/3 D) 0 Answer:D. 52.In a closed loop for which the output is the speed of the motor, the output rate control can be used to: Sindh MCQs, 10th Class MCQs, Physics MCQs, Equilibrium MCQs, Neutral Equilibrium , Static Equilibrium , Dynamic Equilibrium , Unstable Equilibrium 27. b) It is difficult to copy. Question No : 167. A control system working under unknown random actions is called (a) computer control system (b) digital data system (c) stochastic control system (d) adaptive control system Ans: c. 13. Bookmark. The dynamic viscosity of a liquid is 1.2 × 10-4 Ns/m2, whereas, the density is 600 kg/m3. c. metastable equilibrium. A control system is a system which is having feedback and can be both positive and negative and working under unknown random actions is called a stochastic control system. The number of loci is. The dynamic equation governing the circuit will then be . G(s) = K s 2 (s + 5) ; K > 0 The system is unstable for (A) K>5 (B) K<5 (C) K>0 (D) all the above. Verify whether the given system described by the equation is linear and time invariant. This article lists 100+ Control Systems MCQs for engineering students.All the Control Systems Questions & Answers given below includes solution and link wherever possible to the relevant topic.. 12. It transmit data/signals to specified node only. S and O B. DC MOTOR Electrical engineering Question and answer mcq set 5; DC MOTOR Electrical engineering Question and answer mcq set 4; DC MOTOR Electrical engineering Question and answer mcq set 3; DC MOTOR Electrical engineering Question and answer mcq set 2 It is a network device which is used to interconnect computers or devices on a network. At the same time dissipative forces such as internal friction and thermodynamic losses are taking away from the driving force. When there is a reduction in the amplitude of vibrations over every cycle of vibration, then the body is said to have. Please refer to Management Information System MCQ Questions with Answers provided below. Consideration of dynamic stability makes sense only for vehicles that are statically stable. c. Only system parameters have effect on the control output. which will improve your skill. d. None of the above. The connection of components together to perform a specific operation in which the output is controlled by input is known as a control system. A discrete signal is said to be odd or asymmetric if x (-n) is equal to. Closed Loop. Thus, the system is unstable. C only inside the unit circle but not at z = 0. Students should refer to all Management MCQ with Answers provided by us. (c) Mach number is between 1 and 5. 3. no external force acts on a body, after giving it an initial displacement. MCQ in Computer Fundamentals. c. Dynamic response d. Either of the above . (c) Only system parameters have effect on the control output. Just after switching 'on' the system that means at the time of application of an input signal to the system. A system is said to be stable if every bounded input produces the bounded output. The main intention of the signal is to convey information like the human voice, the voltage on telephone wires, electrical signals, etc . PV-curve The lower part of the PV-curve (to the left of the voltage collapse point) is statically stable, but dynamically unstable. Answer: A Explanation: A system is said to be invertible if the input fed to the system can be retrieved from the output of the system. computer control system. The root locus plot of the roots of the characteristics equation of a closed loop system having the open loop transfer function K (s + 1)/2 (2s + 1) (3s + 1) will have a definite number of loci for variation of K from 0 to ∞. a) True b) False. For the body to remain in equilibrium, the forces have to be ____. The gain of the system should be increased (a) tall (b) flat (c) unstable (d) rigid. Q12. Otherwise the system is non-invertible. Hanging 1/v solution /drip. Couple acting on the system due to centrifugal forces should be zero (a) Condition 1 and condition 2 (b) Condition 1 and condition 3 (c) Condition 3 and condition 4 32 Damped sinusoids are _____. These short objective type questions with answers are very important for Board exams as well as competitive exams. +2j, -2j. 180° to the plane of the force and displacement. If det(A) = 0, then there are infinitely many solutions. 3. Practice MCQ Questions for Class 11 Physics with Answers on a daily basis and score well in exams. SYBCOM Commerce MCQ with Answers,sybcom idol commerce mcq question with answers,IDOL Mumbai University,commerce MCQ with answers,sybcom commerce mcq . All objective-based questions are provided with solutions. In an open loop control system . 93) If poles are added to the system, where will the system tend to shift the root locus? An automatic toaster is a _____ loop control system. The source of . Q1. c) there is a dynamic but an unstable condition. PART 3: MCQ from Number 101 - 150 Answer key: PART 3. A system has a complex conjugate root pair of multiplicity two or more in its characteristic equation. a. PART 2: MCQ from Number 51 - 100 Answer key: PART 2. Otherwise the system is non-invertible. B. 6. 51. In the _____ system, the documents are manually operated. This contains 10 Multiple Choice Questions for Electrical Engineering (EE) Test: Stability Analysis (mcq) to study with solutions a complete question bank. Question. Which of the following should be done to make an unstable system stable ? 3. 2. In an open loop control system. d. none of the above. (d) y(n)=x(n+2) The output depends on future value of input. Multiple Choice Questions and Answers By Sasmita December 5, 2016. the governor is said to be unstable. The torque is the vector product of two vectors force and displacement and is a vector at? These short solved questions or quizzes are provided by Gkseries. 11. Stable C. Conditionally stable D. Marginally stable Answer: B Clarification: In case the system happens to be unstable, we need not proceed with its transient response analysis. 10. SYBCOM Commerce MCQ with Answers. 1- This online MCQ practice test paper contains 30 questions. Consider a linear time-invariant system whose input r (t) and output y (t) are related by the following differential equation: d 2 y ( t) d t 2 + 4 y ( t) = 6 r ( t) The poles of this system are at. 4. 8 - Question. c. 1. Ans: (D) Q.29 Peak overshoot of step--input response of an underdamped second-order order system is explicitly indicative of (A) settling time. 2. Dynamic stability is concerned with small disturbances lasting for times of the order of 10-30 s with the inclusion of static control device. a. b) time factor. The impulse response of the system will be: 1) A sinusoidal oscillation which decays exponentially; the system is therefore stable 2) A sinusoidal oscillation with a time multiplier ; the system is therefore unstable Open-loop. Theory of Machines MCQ Question with Answer . Select the correct equilibrium involving physical equilibrium. . If in a pin-jointed plane frame (m + r) > 2j, then the frame is (A) Stable and statically determinate (B) Stable and statically indeterminate (C) Unstable (D) None of the above Where 'm' is number of members, 'r' is reaction components and 'j' is number of joints Answer: Option B 02. 7. Check whether the following system is static or dynamic and also causal or non-causal system. V1=400 kV and X=100 Ohm 15. ( ) = ( 2) 12. 31 The poles of a digital filter with linear phase response can lie. d) measurable properties of the system do not remain constant. 2. there is a reduction in amplitude after every cycle of vibration. For a linear system x′ = Ax, an equilibrium solution occurs at each solution of the system (of homogeneous algebraic equations) Ax = 0. a) Open loop system is unstable b) Close loop system is unstable c) Close loop system is unstable for higher gain d) Close loop system is stable Answer: c Explanation: OLTF contains one zero in right half of s-plane then Close loop system is unstable for higher gain. Control Systems MCQ Question 1. Consideration of dynamic stability makes sense only for vehicles that are statically stable. This test is Rated positive by 91% students preparing for Electrical Engineering (EE).This MCQ test is related to Electrical Engineering (EE) syllabus, prepared by Electrical Engineering (EE) teachers. 1 points. An automatic toaster is a _____ loop control system. Another word for "pressure" is a) pH b) Head c) Density d) Force Answer : Head 2. 7 of 11 sets. Control Systems MCQ Test and Online Quiz : Looking for online test or quiz on Control Systems to upgrade your skill. Discuss. Answer: b. Question. At a certain speed, revolving shafts tend to vibrate violently in transverse directions, this speed is known as. If a given force (or a given system of forces) acting on a body __________ the position of the body, but keeps it in equilibrium . Therefore, the system is dynamic. 6. Refer to the System of Particles and Rotational Motion Class 11 MCQs Questions with Answers here along with a detailed explanation. Supose a system with frequency response G (jw), if it has a frequency response then it is stable by definition; 4) Now what seems to be implied in your question is how to use a Bode Diagram of G . B. The system is described by a differential equation. 2. Welcome to your Control system. b. unstable equilibrium. Mcq on Control System II. adaptive control system. A system which can neither exchange matter nor energy with the surroundings is called_____ a) Open system. The critical value of gain for a system is 40 and gain margin is 6dB. The power system can only operate in stable equilibrium so that the system dynamics act to restore the state to equilibrium when it is perturbed. 1. B . 3. ANSWER: a. neutral equilibrium. Multiple Choice Type Questions . b) both forward and backward does not occur at the same rate. 2- Each question in this online practice test paper have four options and only 1 option is correct. The input signals to control systems are not known fully ahead of time, the characteristics of control system which suddenly strain a control system are: Ex: 1. y(t) = x[t] cos ωt {stable} 2. y (t) = t u(t) {unstable} Application: A. Unstable B. Check whether the discrete time signal sin3n is periodic? As we have seen, such a system has exactly one solution, located at the origin, if det(A) ≠ 0. (d) Mach number is less than 1. It broadcast the signal to every node. 8. A causal system is a system where the output depends on past and current inputs but not future inputs. 33. PART 1: MCQ from Number 1 - 50 Answer key: PART 1. 1. ( ) = (2 ) 11. c) In the same direction. W between P and F. F between W and P. P between W and F. W, P and F all on one side. But a vehicle can be statically stable and dynamically unstable (for example, if the initial tendency to return toward equilibrium leads to an overshoot, it is possible to have an oscillatory divergence of continuously increasing amplitude). 2. An equalizer used to compensate the distortion in the communication system by faithful recovery of an original signal is nothing but an illustration of _____ a. static system b. dynamic system c. invertible system d. none of the above View Answer / Hide Answer Question No : 166. Control system working under unknown random action is called. One obstacle to . Signals and Systems ECE Questions & Answers. The power system can only operate in stable equilibrium so that the system dynamics act to restore the state to equilibrium when it is perturbed. 0° to the plane of the force and displacement. 151. a) Open loop system is unstable b) Close loop system is unstable c) Close loop system is unstable for higher gain d) Close loop system is stable Answer: c Explanation: OLTF contains one zero in right half of s-plane then Close loop system is unstable for higher gain. which will improve your skill. A Remains constant . A signal is an energy signal when the signal has. A system is said to be dynamic if the output of the system depends on the. B only on the unit circle. PART 4: MCQ from Number 151 - 200 Answer key . b) Equal in direction and opposite in magnitude. Cardex File; VED Classification . Centrifugal forces acting on the system should be zero 4. Stable b. Unstable c. Marginally stable d. Unpredictable. d) Ideal system. 1 of 4 sets. Therefore, the system is dynamic. In closed loop control system, with positive value of feedback gain the overall gain of the system will (a) decrease . PART 2: MCQ from Number 51 - 100 Answer key: PART 2. The system is described by a differential equation. System of Particles and Rotational Motion Class 11 MCQs Questions with Answers. 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) it is possible only in a closed system at a given temperature. MCQs on Control Systems - Practice Questions fro BSNL TTA and JTO Exams (Multiple Choice Questions) 1. 1. Question 13 of 20. Question 11 of 20. Equilibrium of a Particle MCQs. Transient stability:- Transient stability is the ability of the . Thermodynamics does not consider. Also, if a system gives zero output for any input and gives the same output for many inputs, then the system is non-invertible. d) In perpendicular directions. 3. If a body is moving with uniform velocity it is said to be in:? 2. a. (d) None of the above. 47. (a) open repositioning the patient while sleeping. 7. b) Isolated system. MCQ ON TRANSIENT AND STEADY STATE ANALYSIS OF FIRST AND SECOND ORDER SYSTEM. MCQ on thermodynamics: 1. Now, we will check for stability. d) energy change. 4. a body vibrates under the influence of external force. Without a driving force, dynamic systems would stop moving. S and O2 C. S2 and O D. SO2 and O2 MCQ 11: If the concentration, temperature and pressure is changed, the system responds in a way that A. follows the change B. opposes the change C. does not change at all Answer: b. 1. If the oscillations do not acquire more than predefined amplitude and settle down quickly, the system a dynamically stable system. Signals and Systems ECE Questions & Answers. Conclusion I 1. Dynamic forces acting on the system should be zero 2. Hence, the system is controllable. A sinusoid signals multiplied by growing exponentials. Angle. 14. (b) Output is dependent on control input. the system, and is usually called a critical point. Dynamic stability, on the other hand, denotes artificial stability given to an inherently unstable system by automatic control devices.

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