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BARC ECE 2019 : Control System Nuclear Quiz 2
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Question 1
What is the effect on the natural frequency (ωn) and damping factor (δn) in the control systems when derivative compensation is used?
Question 2
For state transition coefficient matrix 
The state matrix ‘A’ can be
The state matrix ‘A’ can be
Question 3
Nyquist plot of a system is shown in the below figure. The nature of closed loop system if there is no open loop poles lie in the right half of s-plane.
Question 4
The feedback control system has the following characteristic equation:
How many asymptotes are there in the root locus of the given system?
How many asymptotes are there in the root locus of the given system?
Question 5
The magnitude Bode plot of a network is shown in the figure
The maximum phase angle Φm and the corresponding gain Gm respectively, are
The maximum phase angle Φm and the corresponding gain Gm respectively, are
Question 6
Consider the state space model of a system, as given below
The system is
The system is
Question 7
The block diagram of a feedback control system is shown in the figure. The overall closed-loop gain G of the system is 
Question 8
Which of the following can be pole-zero configuration of a phase-lag controller (lag compensator)?
Question 9
If the input R(s) and the output C(s) of an open loop system is given by (s+2)(s+5) and 3(s+1) respectively, the characteristic equation of the system is:
Question 10
For the given magnitude plot, calculate the maximum phase angle
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