1
GATE EE 2008
MCQ (Single Correct Answer)
+2
-0.6
The transfer function of a system is given as $${{100} \over {{s^2} + 20s + 100}}.$$ The system is
A
an over damped system
B
an under damped system
C
a critically damped system
D
an unstable system
2
GATE EE 2008
MCQ (Single Correct Answer)
+2
-0.6
Figure shows a feedback system where $$K>0$$ GATE EE 2008 Control Systems - Routh Hurwitz Stability Question 5 English

The range of $$k$$ for which system is stable will by given by

A
$$0 < K < 30$$
B
$$0 < K < 39$$
C
$$0 < K < 390$$
D
$$K > 390$$
3
GATE EE 2008
MCQ (Single Correct Answer)
+2
-0.6
The asymptotic Bode magnitude plot of a minimum phase transfer function is shown in the figure: GATE EE 2008 Control Systems - Polar Nyquist and Bode Plot Question 5 English

This transfer function has

A
three poles and one zero
B
two poles and one zero
C
two poles and two zeros
D
one pole and two zeros
4
GATE EE 2008
MCQ (Single Correct Answer)
+2
-0.6
The transfer function of two compensators are given below: $${C_1} = {{10\left( {s + 1} \right)} \over {\left( {s + 10} \right)}},\,{C_2} = {{s + 10} \over {10\left( {s + 1} \right)}}$$

Which one of the following statements is correct?

A
$${C_1}$$ is lead compensator and $${C_2}$$ is a lag compensator
B
$${C_1}$$ is a lag compensator and $${C_2}$$ is a lead compensator
C
Both $${C_1}$$ and $${C_2}$$ are lead compensator
D
Both $${C_1}$$ and $${C_2}$$ are lag compensator
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