Electrical Engineering: Control system MCQ

26. Question

The open loop transfer function of a unity feedback system is given by

G(s) = π e-0.25s / s

In G(s) plane, the Nyquist plot of G(s) passes through the negative real axis at the point 

27. Question

The output response of a system is denoted as y(t), and its Laplace transform is given by

Y(S)= 10/[s( s2 +s+100√20]

The steady state value of y(t) is 


28. Question

Which of the following statement is true about the two sided Laplace transform?


29. Question

A causal control system having poles at (–2, 1), (2, –1) and zeros at (2, 1) and (–2, –1). Identify the nature of transfer function.

30. Question

 For the given block diagram of the system

which of the following is true regarding order and stability of the system