Electrical Engg (EEE) - MCQ Practice Questions

In a Bode plot, the magnitude plot slope in dB/decade for a pole at origin is:

A second-order system has damping ratio ζ = 0.5. This system is classified as:

Which of the following is a characteristic of a lag compensator?

For a Type 2 system with step input, the steady-state error is:

The transfer function of a proportional-integral (PI) controller is:

A negative feedback control system has an open-loop transfer function G(s)H(s) = K/[s(s+2)(s+4)]. What is the type of the system?

In Bode plot analysis, what does the gain margin represent?

The transfer function of an ideal derivative controller is:

For a system G(s) = K(s+2)/[s(s+1)(s+3)], the number of asymptotes in root locus is:

For a cascaded system with G₁(s) = 5/(s+1) and G₂(s) = 2/(s+2), the overall DC gain is:

In digital control systems, the sampling theorem requires sampling frequency to be:

A second-order system has natural frequency ωn = 10 rad/s and damping ratio ζ = 0.5. The peak overshoot percentage is approximately:

A PID controller Gc(s) = Kp + Ki/s + Kd·s is applied to a process. Which parameter adjustment would primarily reduce steady-state error without affecting transient response significantly?