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BARC 2018 ECE: Control Systems Nuclear Quiz 1
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Question 1
What is correct for GM and PM of two open loop system transfer function with unity feedback system G(s)H(s) and 
G(s)H(s)?
G(s)H(s)? Question 2
If the range of gain K for the stability of a unity feedback system is 0<K150. Then for K=30, the gain margin (GM) of the system is______.
Question 3
The open loop transfer function of a unity feedback system is, G(s) =3/s(s+2). The gain margin (GM) in dB of the system is _____.
Question 4
A unity feedback system has an open loop transfer function as 
The steady state error to an input (1 + 4t) is
The steady state error to an input (1 + 4t) is Question 5
A unity feedback control system has an open loop transfer function.
The value of system gain K for which all the roots are equal is _______.
The value of system gain K for which all the roots are equal is _______.
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