Control Systems
Block Diagram and Signal Flow Graph
Marks 1Marks 2
Polar Nyquist and Bode Plot
Marks 1Marks 2Marks 5
State Variable Analysis
Marks 1Marks 2Marks 5
Basics of Control System
Marks 1Marks 2
Routh Hurwitz Stability
Marks 1Marks 2
Time Response Analysis
Marks 1Marks 2
Root Locus Techniques
Marks 1Marks 2Marks 5
Controller and Compensator
Marks 1Marks 2
1
GATE EE 2013
MCQ (Single Correct Answer)
+1
-0.3
The Bode plot of a transfer function $$G(s)$$ is shown in the figure below. GATE EE 2013 Control Systems - Polar Nyquist and Bode Plot Question 42 English

The gain is $$\left( {20\log \left| {G\left( s \right)} \right|} \right)$$ is $$32$$ $$dB$$ and $$–8$$ $$dB$$ at $$1$$ $$rad/s$$ and $$10$$ $$rad/s$$ respectively. The phase is negative for all $$\omega .$$ Then $$G(s)$$ is

A
$${{39.8} \over s}$$
B
$${{39.8} \over {{s^2}}}$$
C
$${{32} \over s}$$
D
$${{32} \over {{s^2}}}$$
2
GATE EE 2012
MCQ (Single Correct Answer)
+1
-0.3
A system with transfer function $$\,G\left( s \right) = {{\left( {{s^2} + 9} \right)\left( {s + 2} \right)} \over {\left( {s + 1} \right)\left( {s + 3} \right)\left( {s + 4} \right)}}$$ is excited by $$\sin \left( {\omega t} \right).$$ The steady-state output of the system is zero at
A
$$\omega = 1\,\,rad/s$$
B
$$\omega = 2\,\,rad/s$$
C
$$\omega = 3\,\,rad/s$$
D
$$\omega = 4\,\,rad/s$$
3
GATE EE 2011
MCQ (Single Correct Answer)
+1
-0.3
An open loop system represented by the transfer function $$G\left( s \right) = {{\left( {s - 1} \right)} \over {\left( {s + 2} \right)\left( {s + 3} \right)}}$$ is
A
Stable and of the minimum phase type
B
Stable and of the non - minimum phase type
C
Unstable and of the minimum phase type
D
Unstable and of non-minimum phase type
4
GATE EE 2011
MCQ (Single Correct Answer)
+1
-0.3
The frequency response of a linear system $$G\left( {j\omega } \right)$$ is provided in the tubular form below. GATE EE 2011 Control Systems - Polar Nyquist and Bode Plot Question 45 English

The gain margin and phase margin of the system are

A
$$6$$ $$db$$ and $${30^ \circ }$$
B
$$6$$ $$db$$ and $$-{30^ \circ }$$
C
$$-6$$ $$db$$ and $${30^ \circ }$$
D
$$-6$$ $$db$$ and $$-{30^ \circ }$$
GATE EE Subjects
Electromagnetic Fields
Signals and Systems
Engineering Mathematics
General Aptitude
Power Electronics
Power System Analysis
Analog Electronics
Control Systems
Digital Electronics
Electrical Machines
Electric Circuits
Electrical and Electronics Measurement