Year 2023

Week # 1 Quiz 4

Q1. The transfer function \(\frac{Y(s)}{U(s)}\) of a system described by the state equations,
\(\frac{dx}{dt}=-2x+2u\) and \(y(t) = 0.5x\) is:

Q2. An Open loop Control System, represented by the transfer function \(G(s) = \frac{(s-1)}{(s+2)(s+3)}\), is

Q3. Feedback oscillations have a closed loop gain of (where G, H are gain of forward and feedback path)


In above block diagram, what is representing the symbol of G?

Q5. The damping ratio of a second-order system affects its:

Q6. If the gain of critically damped system is increased the system will become

Q7. The time constant of a series RC circuit with \(R=2 \:\Omega \) and \(C=1 \:F\) is

Q8. The dc gain of a system represented by the transfer function \(\frac{12}{(s + 2) (s + 3)}\) is __________.

Q9. The phase lag produced by transportation relays

Q10. By which of the following the system response can be tested better ?