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GATE 2022 : Control System Revision Quiz
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Question 1
The bode plot corresponding to a proportional derivative controller is
Question 2
In the formation of Routh Hurwitz array for a polynomial, all the elements of a row have zero values. The premature terminations of the array indicate the presence of
Question 3
The characteristic equation of the below closed loop system is?
Question 4
The sensitivity
of the system with transfer function
is given by
of the system with transfer function is given by
Question 5
Which one of the following statements is true about a derivative controller?
Question 6
Root locus diagram of a system is given below
System is under damped for
Question 7
The Bode magnitude plot of a system 
is
is
Question 8
A system has
overshoot and settling time of
for unit step input. The resonant peak of the system is
overshoot and settling time of for unit step input. The resonant peak of the system is
Question 9
A unity feedback system has open transfer function
. A PID controller having transfer function
is introduced to improve the steady state as well as transient performance. For what value of
, the steady state error is
for unit ramp input?
. A PID controller having transfer function is introduced to improve the steady state as well as transient performance. For what value of, the steady state error is for unit ramp input?
Question 10
The GM of the system is
. If the gain of the system is doubled, then the GM in dB would be_____
. If the gain of the system is doubled, then the GM in dB would be_____Question 11
An R-L-C series circuit is excited by a DC voltage. IF R = 40Ω, L = 0.2 H and C = 100 μF, the resulting current response is said to be
Question 12
The nyquist plot of a unity feedback system having open loop transfer function as below for
is as shown below. The minimum value of K for the system to be stable is________
is as shown below. The minimum value of K for the system to be stable is________
Question 13
The OLTF of a system is given below. With respect to bode magnitude plot, the magnitude at
is ______ dB
is ______ dB
Question 14
For open loop transfer function
The gain ‘K’ at break point will be
The gain ‘K’ at break point will be
Question 15
The open loop transfer function of a control system with negative feedback is given by G(s)H(s)=
Which of the following in true about break points of system ?
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Jan 31ESE & GATE EE
