Which of the following is an open loop control system?

What is the centroid of the given control system having the open-loop transfer function:

G(s)H(s) = k/(s-3)(s+1)(s+5)

What can a Signal Flow Graph be used to find?

In which system configuration are complex conjugate poles obtained?

For a second-order system with the damping ratio (ξ) where 0 < ξ < 1, the roots of the characteristic polynomial are:

Which of the following is true for low-pass systems?

Why will gain be reduced in a closed-loop control system?

If the transfer function of a 2nd order system is given by:

T(s) = 16/(s² + 3s + 16), then the values of ζ (zeta), w_n and T_p are

If the damping factor, ζ (zeta) is equal to 1, then the nature of the response and system classification are respectively:

If the damping factor, Zeta (ζ), lies between the interval 1 < ζ < ∞, then the nature of the system response and its classification are, respectively: