ExamSIDE
Questions
ExamSIDE.Com
Control Systems
Signal Flow Graph and Block Diagram
Time Response Analysis
Compensators
Basic of Control Systems
Frequency Response Analysis
Stability
Root Locus Diagram
State Space Analysis
Joint Entrance Examination
JEE Main
Chemistry
Physics
Mathematics
JEE Advanced
Physics
Chemistry
Mathematics
WB JEE
Physics
Chemistry
Mathematics
Graduate Aptitude Test in Engineering
GATE CSE
Discrete Mathematics
Programming Languages
Theory of Computation
Operating Systems
Digital Logic
Computer Organization
Database Management System
Data Structures
Computer Networks
Algorithms
Compiler Design
Software Engineering
Web Technologies
General Aptitude
GATE ECE
Signals and Systems
Network Theory
Control Systems
Digital Circuits
General Aptitude
Electronic Devices and VLSI
Analog Circuits
Engineering Mathematics
Microprocessors
Communications
Electromagnetics
GATE EE
Electric Circuits
Electromagnetic Fields
Signals and Systems
Electrical Machines
Engineering Mathematics
General Aptitude
Power System Analysis
Electrical and Electronics Measurement
Analog Electronics
Control Systems
Power Electronics
Digital Electronics
GATE ME
Engineering Mechanics
Strength of Materials
Theory of Machines
Engineering Mathematics
Machine Design
Fluid Mechanics
Turbo Machinery
Heat Transfer
Thermodynamics
Production Engineering
Industrial Engineering
General Aptitude
GATE CE
Engineering Mechanics
Strength of Materials Or Solid Mechanics
Structural Analysis
Construction Material and Management
Reinforced Cement Concrete
Steel Structures
Geotechnical Engineering
Fluid Mechanics and Hydraulic Machines
Hydrology
Irrigation
Geomatics Engineering Or Surveying
Environmental Engineering
Transportation Engineering
Engineering Mathematics
General Aptitude
GATE PI
Fluid Mechanics
Metrology
Theory of Machines
Engineering Mathematics
Heat Transfer
Machine Tools and Machining
Industrial Engineering
Engineering Mechanics
Strength of Materials
Thermodynamics
Machine Design
Casting
Joining of Materials
Metal Forming
GATE IN
Engineering Mathematics
Medical
NEET
Biology
Chemistry
Physics
NEW
New Website Launch
Experience the best way to solve previous year questions with
mock tests
(very detailed analysis),
bookmark your favourite questions
,
practice
etc...
VISIT NOW
GATE ECE
Frequency Response Analysis
Control Systems
Previous Years Questions
START HERE
Marks 1
More
The number and direction of encirclements around the point −1 + j0 in the complex plane by the Nyquist plot of G(s) =$${...
GATE ECE 2016 Set 2
GO TO QUESTION
A closed-loop control system is stable if the Nyquist plot of the corresponding open-loop transfer function
GATE ECE 2016 Set 1
GO TO QUESTION
The phase margin (in degrees) of the system G(s)=$${{10} \over {\left( {s + 10} \right)}}$$ is ___________.
GATE ECE 2015 Set 3
GO TO QUESTION
The popular plot of the transfer function G(s)=$${{10\left( {s + 1} \right)} \over {\left( {s + 10} \right)}}$$ for $$0 ...
GATE ECE 2015 Set 1
GO TO QUESTION
Consider the Bode plot shown in the figure. Assume that all the poles and zeroes are real-valued. The value of fH - fL ...
GATE ECE 2015 Set 3
GO TO QUESTION
Consider the feedback system shown in the figure. The Nyquist plot of G(s) is also shown. Which one of the following con...
GATE ECE 2014 Set 1
GO TO QUESTION
In a Bode magnitude plot, which one of the following slopes would be exhibited at high frequencies by a 4th order all-po...
GATE ECE 2014 Set 4
GO TO QUESTION
The Bode plot of a transfer function G (s) is shown in the figure below. The gain (20 log $$\left| {G(s)} \right|$$ ...
GATE ECE 2013
GO TO QUESTION
A system with transfer function g(s) = $${{\left( {{s^2} + 9} \right)\left( {s + 2} \right)} \over {\left( {s + 1} \rig...
GATE ECE 2012
GO TO QUESTION
For the transfer function G$$\left( {j\omega } \right) = 5 + j\omega ,$$ the corresponding Nyquist plot for positive fr...
GATE ECE 2011
GO TO QUESTION
For the asymptotic Bode magnitude plot shown below, the system transfer function can be ...
GATE ECE 2010
GO TO QUESTION
A system with the transfer function $${{Y(s)} \over {X(s)}} = {s \over {s + p}},$$ has an output y(t)=$$\cos \left( {2t...
GATE ECE 2010
GO TO QUESTION
If the closed-loop transfer function of a control system is given as T(s)=$${{s - 5} \over {(s + 2)(s + 3)}},$$ then it ...
GATE ECE 2007
GO TO QUESTION
In the system shown below, x(t)=(sin t). In steady-state, the response y(t) will be ...
GATE ECE 2006
GO TO QUESTION
The open-loop transfer function of a unity-gain feedback control system is given by $$G(s) = {K \over {(s + 1)(s + 2)}},...
GATE ECE 2006
GO TO QUESTION
Which one of the following polar diagrams corresponds to a lag network?
GATE ECE 2005
GO TO QUESTION
The gain margin for the system with open-loop transfer function G(s)H(s)=$${{2(1 + s)} \over {{s^2}}}$$ is
GATE ECE 2003
GO TO QUESTION
Figure shows the Nyquist plot of the open-loop transfer function G(s)H(s) of a system. If G(s)H(s) has one right hand po...
GATE ECE 2003
GO TO QUESTION
The phase margin of a system with the open-loop transfer function G(s)H(s)=$${{(1 - s)} \over {(1 + s)(2 + s)}}$$ is?
GATE ECE 2002
GO TO QUESTION
The Nyquist plot for the open-loop transfer function G(s) of a unity negative feedback system is shown in figure. if G(s...
GATE ECE 2001
GO TO QUESTION
The phase margin (in degrees) of a system having the loop transfer function is $$G(s)H(s) = {{2\sqrt 3 } \over {s(s + 1)...
GATE ECE 1999
GO TO QUESTION
The gain margin of a system having the loop transfer function G(s)H(s) =$${{\sqrt 2 } \over {s(s + 1)}}$$ is
GATE ECE 1999
GO TO QUESTION
The Nyquist plot of a loop transfer function G$$(j\omega )$$ H$$(j\omega )$$, of a system encloses the (-1, j0) point. T...
GATE ECE 1998
GO TO QUESTION
In the Bode-plot of a unity feedback control system, the value of phase of G($$j\omega $$) at the gain cross over freque...
GATE ECE 1998
GO TO QUESTION
Non - minimum phase transfer function is defined as the transfer function
GATE ECE 1995
GO TO QUESTION
The open loop frequency response of a system at two particular frequencies are given by: 1.2 $$\angle - 180^\circ $$ a...
GATE ECE 1994
GO TO QUESTION
The 3-dB bandwidth of a typical second- order system with the transfer function $${{C\left( s \right)} \over {R(s)}} = {...
GATE ECE 1994
GO TO QUESTION
Marks 2
More
For a unity feedback control system with the forward path transfer function $$G(s) = {K \over {s\left( {s + 2} \right)}}...
GATE ECE 2018
GO TO QUESTION
The figure below shows the Bode magnitude and phase plots of a stable transfer function $$G(s) = {{{n_0}} \over {{s^3} +...
GATE ECE 2018
GO TO QUESTION
A unity feedback control system is characterized by the open loop transfer function $$G(s) = {{10k\left( {s + 2} \right...
GATE ECE 2017 Set 2
GO TO QUESTION
The Nyquist plot of the transfer function $$G(s) = {k \over {\left( {{s^2} + 2s + 2} \right)\left( {s + 2} \right)}}$$ ...
GATE ECE 2017 Set 1
GO TO QUESTION
The asymptotic Bode phase plot of $${\rm{G(s) = }}{k \over {\left( {s + 0.1} \right)\left( {s + 10} \right)\left( {s + ...
GATE ECE 2016 Set 2
GO TO QUESTION
In the feedback system shown below $${\rm{G(s) = }}{1 \over {\left( {s + 1} \right)\left( {s + 2} \right)\left( {s + 3...
GATE ECE 2016 Set 2
GO TO QUESTION
The transfer function of a mass-spring damper system is given by $${\rm{G(s) = }}{1 \over {M{s^2} + Bs + K}}$$ The freq...
GATE ECE 2015 Set 2
GO TO QUESTION
The Bode asymptotic magnitude plot of a minimum phase system is shown in the figure. If the system is connected in a ...
GATE ECE 2014 Set 2
GO TO QUESTION
The phase margin in degrees of G(s)=$${{10} \over {\left( {s + 0.1} \right)\left( {s + 1} \right)\left( {s + 10} \right)...
GATE ECE 2014 Set 1
GO TO QUESTION
The input-output transfer function of a plant is h(s)=$${{100} \over {s{{\left( {s + 10} \right)}^2}}}$$. The plant is p...
GATE ECE 2011
GO TO QUESTION
The input-output transfer function of a plant is h(s)=$${{100} \over {s{{\left( {s + 10} \right)}^2}}}$$. The plant is p...
GATE ECE 2011
GO TO QUESTION
The Nyquist plot of a stable transfer function G(s) is shown in the figure. We are interested in the stability of the cl...
GATE ECE 2009
GO TO QUESTION
The Nyquist plot of a stable transfer function G(s) is shown in the figure. We are interested in the stability of the cl...
GATE ECE 2009
GO TO QUESTION
The impulse response h(t) of a linear time invariant system is given by h(t) = $${e^{ - 2t}}u(t),$$ where u(t) denotes t...
GATE ECE 2008
GO TO QUESTION
The magnitude of frequency response of an underdamped second order system is 5 at 0 rad/sec and peaks to $${{10} \over {...
GATE ECE 2008
GO TO QUESTION
The impulse response h(t) of a linear time invariant system is given by h(t) = $${e^{ - 2t}}u(t),$$ where u(t) denotes t...
GATE ECE 2008
GO TO QUESTION
The asymptotic Bode plot of a transfer function is shown in the figure. the transfer function G(s) corresponding to this...
GATE ECE 2007
GO TO QUESTION
Consider a unity-gain feedback control system whose open-loop transfer function is G(s)=$${{as + 1} \over {{s^2}}}$$ T...
GATE ECE 2006
GO TO QUESTION
Consider a unity-gain feedback control system whose open-loop transfer function is G(s)=$${{as + 1} \over {{s^2}}}$$. W...
GATE ECE 2006
GO TO QUESTION
The Nyquist plot of G(jω)H(jω) for a closed loop control system, passes through (-1,j0) point in the GH plane. The gain ...
GATE ECE 2006
GO TO QUESTION
Consider two transfer functions $${G_1}\left( s \right) = {1 \over {{s^2} + as + b}}$$ and $${G_2}\left( s \right) = {s ...
GATE ECE 2006
GO TO QUESTION
The open loop transfer function of a unity feedback system is given by G(s)=$${{3{e^{ - 2s}}} \over {s\left( {s + 2} \r...
GATE ECE 2005
GO TO QUESTION
The polar diagram of a conditionally stable system for open loop gain K=1 is shown in figure. The open loop transfer fun...
GATE ECE 2005
GO TO QUESTION
The open loop transfer function of a unity feedback system is given by g(s)=$${{3{e^{ - 2s}}} \over {s\left( {s + 2} \ri...
GATE ECE 2005
GO TO QUESTION
A system has poles at 0.01 Hz, 1Hz and 80 Hz; zeroes at 5hz, 100 Hz and 200 Hz. The approximate phase of the system resp...
GATE ECE 2004
GO TO QUESTION
Consider the Bode magnitude plot shown in figure. The transfer function H(s) is ...
GATE ECE 2004
GO TO QUESTION
The gain margin and the phase margin of a feedback system with G(s)H(s)=$${s \over {{{\left( {s + 100} \right)}^3}}}$$ ...
GATE ECE 2003
GO TO QUESTION
The approximate Bode magnitude plot of a minimum-phase system is shown in figure. The transfer function of the system is...
GATE ECE 2003
GO TO QUESTION
The system with the open loop transfer function G(s)H(s)=$${1 \over {s\left( {{s^2} + s + 1} \right)}},$$ has a gain mar...
GATE ECE 2002
GO TO QUESTION
The open-loop DC gain of a unity negative feedback system with closed-loop transfer function $${{s + 4} \over {{s^2} + 7...
GATE ECE 2001
GO TO QUESTION
Bode plot of a stable system is shown in fig. The transfer function of the system is ...
GATE ECE 1992
GO TO QUESTION
The open-loop transfer function of a feedback control system is G(s)=$${1 \over {{{\left( {s + 1} \right)}^3}}}$$The ga...
GATE ECE 1991
GO TO QUESTION
From the Nicholas chart, one can determine the following quantities pertaining to a closed loop system:
GATE ECE 1989
GO TO QUESTION
The popular plot of G(s)=$${{10} \over {s{{\left( {s + 1} \right)}^2}}},$$ intercepts real axix at $$\omega = {\omega _...
GATE ECE 1987
GO TO QUESTION
A system has fourteen poles and two zeroes. Its high frequency asymptote, in its magnitude plot, has having a slope of
GATE ECE 1987
GO TO QUESTION
Marks 5
More
The Nyquist plot of an all-pole second order open-loop system is shown in Figure. Obtain the transfer function of the s...
GATE ECE 2002
GO TO QUESTION
Consider a feedback system with the open loop transfer function given by $$G(s)H(s) = {K \over {s\left( {2s + 1} \right)...
GATE ECE 1999
GO TO QUESTION
The asymptotic bode plot of the minimum phase open-loop transfer function G(s)H(s) is as shown in the figure. Obtain the...
GATE ECE 1999
GO TO QUESTION
The loop transfer function of a single loop control system is given by $$G(s)H(s) = {{100} \over {s\left( {1 + 0.01s} \r...
GATE ECE 1998
GO TO QUESTION
Marks 8
More
A unity feedback system has open-loop transfer function $$G(s) = {1 \over {s\left( {2s + 1} \right)\left( {s + 1} \right...
GATE ECE 1992
GO TO QUESTION
The magnitude plot of the open loop transfer function G(s), of a certain system is given in fig, (a) Determine G(s), if...
GATE ECE 1987
GO TO QUESTION
Marks 10
More
Nyquist plot consider a feed back system where the OLTF is: $$G(s) = {1 \over {s\left( {2s + 1} \right)\left( {s + 1} \r...
GATE ECE 1989
GO TO QUESTION
Joint Entrance Examination
JEE Main
JEE Advanced
WB JEE
Graduate Aptitude Test in Engineering
GATE CSE
GATE ECE
GATE EE
GATE ME
GATE CE
GATE PI
GATE IN
Medical
NEET
CBSE
Class 12