1
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 39 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 $$-{30^ \circ }$$
2
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
3
GATE EE 2009
MCQ (Single Correct Answer)
+1
-0.3
The polar plot of an open loop stable system is shown below. The closed loop systems is GATE EE 2009 Control Systems - Polar Nyquist and Bode Plot Question 9 English
A
always stable
B
marginally stable
C
unstable with one pole on the $$RH$$ $$s-$$plane
D
unstable with two poles on the $$RH$$ $$s-$$ plane
4
GATE EE 2005
MCQ (Single Correct Answer)
+1
-0.3
A system with zero initial conditions has the closed loop transfer function $$T\left( s \right) = {{{s^2} + 4} \over {\left( {s + 1} \right)\left( {s + 4} \right)}}.$$ The system output is zero at the frequency
A
$$0.5$$ rad/sec
B
$$1$$ rad/sec
C
$$2$$ rad/sec
D
$$4$$ rad/sec
GATE EE Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
CBSE
Class 12