This set of Control Systems Multiple Choice Questions & Answers (MCQs) focuses on “Liapunov’s Stability Criterion – I”. 1. If the system is asymptotically stable irrespective that how close or far it is from the origin then the system is: a) Asymptotically stable b) Asymptotically stable in the large c) Stable d) Unstable 2. A … Read more
This set of Control Systems Multiple Choice Questions & Answers (MCQs) focuses on “Observer Systems”. 1. A control system in which the control action is somehow dependent on the output is known as a) Closed loop system b) Semi closed loop system c) Open system d) Non feedback control system 2. In closed loop control … Read more
This set of Basic Control Systems Questions and Answers focuses on “Pole Placement by State Feedback”. 1. ______________ is not a final control element. a) Control valve b) Potentiometer c) Electro-pneumatic converter d) Servomotor 2. Which of the following is the definition of proportional band of a controller? a) The range of air output as … Read more
This set of Control Systems Multiple Choice Questions & Answers (MCQs) focuses on “Controllability and Observability”. 1. A system is said to be_____________ if it is possible to transfer the system state from any initial state to any desired state in finite interval of time. a) Controllable b) Observable c) Cannot be determined d) Controllable … Read more
This set of Control Systems Multiple Choice Questions & Answers (MCQs) focuses on “Solution of State Equations”. 1. Which of the following is an electromechanical device ? a) Induction relay b) Thermocouple c) LVDT d) Any of the mentioned 2. A differentiator is usually not a part of a control system because it a) Reduces … Read more
This set of Control Systems Multiple Choice Questions & Answers (MCQs) focuses on “Diagonalization”. 1. State models presented employed: a) Physical variables b) Phase variables c) Canonical variables d) All of the mentioned 2. State model is generally not suitable for measuring: a) Investigation of system properties b) Evaluation of time response c) Real variables … Read more
This set of Control Systems Assessment Questions and Answers focuses on “State Variables and Linear Discrete-Time Systems”. 1. Which of the following can be used as a tacho generator in control systems? a) Microsyn b) DC servomotor c) AC servomotor d) Magnetic Amplifier 2. Consider the function F (s)= 5/s(s2+3s+2), the initial value of f(t) … Read more
This set of Control Systems Questions and Answers focuses on “State Models for Linear Continuous-Time Systems”. 1. Consider the following servomotors: 1. AC-two phase servomotor 2. DC servomotor 3. Hydraulic servomotor 4. Pneumatic servomotor The correct sequence of these servomotor in increasing order of power handling capacity is: a) 2,4,3,1 b) 4,2,3,1 c) 2,4,1,3 d) … Read more
This set of Control Systems Multiple Choice Questions & Answers (MCQs) focuses on “Concept of State, State Variables and State Models”. 1. The transfer function for the state representation of the continuous time LTI system: dq(t)/dt=Aq(t)+Bx(t) Y(t)=Cq(t)+Dx(t) is given by: a) C(sI-A)-1B+D b) B(sI-A)-1B+D c) C(sI-A)-1B+A d) D(sI-A)-1B+C 2. System transformation on function H(z) for … Read more
This set of Control Systems Multiple Choice Questions & Answers (MCQs) focuses on “Compensation Techniques”. 1. Assertion (A): The closed loop stability can be determined from the poles of an open loop system and the polar plot of the frequency response. Reason (R): Unstable system has right half poles. a) Both A and R are … Read more
