1
GATE EE 2015 Set 2
MCQ (Single Correct Answer)
+1
-0.3
Nyquist plots of two functions $${G_1}\left( s \right)$$ and $${G_2}\left( s \right)$$ are shown in figure. GATE EE 2015 Set 2 Control Systems - Polar Nyquist and Bode Plot Question 39 English

Nyquist plot of the product of $${G_1}\left( s \right)$$ and $${G_2}\left( s \right)$$ is

A
GATE EE 2015 Set 2 Control Systems - Polar Nyquist and Bode Plot Question 39 English Option 1
B
GATE EE 2015 Set 2 Control Systems - Polar Nyquist and Bode Plot Question 39 English Option 2
C
GATE EE 2015 Set 2 Control Systems - Polar Nyquist and Bode Plot Question 39 English Option 3
D
GATE EE 2015 Set 2 Control Systems - Polar Nyquist and Bode Plot Question 39 English Option 4
2
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 41 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
$${{32} \over {{s^2}}}$$
3
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
$$\omega = 4\,\,rad/s$$
4
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
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