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BARC ECE 2019 : Control System 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 _______.
Question 6
The block diagram of a system is shown below
In order to reduce the effect of noise element:
In order to reduce the effect of noise element:
Question 7
A two-loop position control system is shown below.
The gain k of the Tacho-generator influences mainly the
The gain k of the Tacho-generator influences mainly the
Question 8
A system with transfer function
is excited by sin (ωt). The steady-state output of the system is zero at
is excited by sin (ωt). The steady-state output of the system is zero at
Question 9
Match the compensator with their circuits?
List – I(Compensator)
1. PI Compensator
2. Lag Compensator
3. PD Compensator
4. Lead Compensator
List – II(Circuits)
A)
B)
C)
D)
List – I(Compensator)
1. PI Compensator
2. Lag Compensator
3. PD Compensator
4. Lead Compensator
List – II(Circuits)
A)
B)
C)
D)
Question 10
The Bode plot of a transfer function is given where GV = 2.0, GM = 0.25 and GC =KC. Find the maximum value of Kc for stable system?
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