Viva Voice

  1. What is control system ?
  2. What is transfer function ?
  3. What is feedback & what is its use ?
  4. What is an open loop system ?
  5. What is closed loop system ?
  6. What is linear time invariant (LTI) system ?
  7. What is first order system ?
  8. What is second order system ?
  9. What are step, ramp & impulse signal ?
  10. What do you understand by step , ramp , impulse & sinusoidal response ?
  11. What does ‘T’ signify in first order LTI system ?
  12. What is damping ratio ?
  13. What is natural frequency ?
  14. What does ‘zeta’ & ‘wn’ signify in second order LTI system ?
  15. What is laplace transform & its significance in control system ?
  16. Write down laplace transform of various signals used in control system ?
  17. Calculate transfer function of RC, RL, RLC (series & parallel) circuit ?
  18. What is significance of Bode plot ?
  19. What do you understand by underdamped, critically damped & over damped systems ?
  20. Draw the step, impulse , ramp, & sinusoidal response of first order system ?
  21. Draw the step, impulse , ramp, & sinusoidal response of second order system ?