Related InterviewSolutions

• State space analysis is applicable for non-linear systems and for multiple input and output systems.(a) True(b) FalseThis question was addressed to me during an interview for a job.My enquiry is from Concepts of State, State Variables and State Model topic in section State Variable Analysis and Design of Control Systems
• Assertion (A): Many of the linear control system transfer function do not have poles or zeroes in the right half s-plane.Reason (R): These are called minimum phase transfer function.(a) Both A and R are true and R is correct explanation of A(b) Both A and R are true and R is not correct Explanation of A(c) A is True and R is false(d) A is False and R is trueI got this question in homework.The origin of the question is State Variables and Linear Discrete-Time Systems topic in chapter State Variable Analysis and Design of Control Systems
• An electric motor is developing 10KW at a speed of 900rpm. The torque available at the shaft is:(a) 106 N-m(b) 66 N-m(c) 1600 N-m(d) 90 N-mThis question was posed to me in semester exam.Asked question is from State Variables and Linear Discrete-Time Systems topic in division State Variable Analysis and Design of Control Systems
• 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 and observableThis question was addressed to me in quiz.My question is taken from Controlability and Observability topic in division State Variable Analysis and Design of Control Systems
• The tacho meter has sensitivity of 5V/1000rpm. The gain constant of the tacho meter is:(a) 0.48V/rad/sec(b) 0.048V/rad/sec(c) 4.8V/rad/sec(d) 48V/rad/secI got this question in class test.Question is taken from State Variables and Linear Discrete-Time Systems topic in division State Variable Analysis and Design of Control Systems
• A tachometer is used as an inner loop in a position control servo-system. What is the effect of feedback on the gain of the sub-loop incorporating tachometer and in the effective time constant of the system?(a) Both are reduced(b) Gain is reduced but the time constant is increased(c) Gain is increased but the time constant is reduced(d) Both are increasedThe question was asked in an online quiz.My question is from State Models for Linear Continuous-Time Systems in chapter State Variable Analysis and Design of Control Systems
• Which of the following is an open loop control system?(a) Field controlled D.C. motor(b) Ward Leonard control(c) Metadyne(d) StroboscopeI got this question in an interview for job.The question is from Observer Systems topic in division State Variable Analysis and Design of Control Systems
• If the gain of the critical damped system is increased it will behave as(a) Oscillatory(b) Critically damped(c) Overdamped(d) UnderdampedI got this question by my college director while I was bunking the class.Enquiry is from Solution of State Equations in section State Variable Analysis and Design of Control Systems
• Error detector:(a) Armature controlled FHP DC motor(b) A pair of synchronous transmitter and control transformer(c) Tach generator(d) AmplidyneThis question was posed to me in semester exam.Question is from Concepts of State, State Variables and State Model in chapter State Variable Analysis and Design of Control Systems
• The effect of error damping is to(a) Provide larger settling lime(b) Delay the response(c) Reduce steady state error(d) None of the mentionedThe question was posed to me in quiz.My question is based upon Pole Placement by State Feedback topic in section State Variable Analysis and Design of Control Systems