1
GATE ECE 2001
MCQ (Single Correct Answer)
+1
-0.3
The root-locus diagram for a closed loop feedback system is shown in Figure. The system is overdamped. GATE ECE 2001 Control Systems - Root Locus Diagram Question 7 English
A
$$only\;if\;0\;\leq\;K\;\leq\;1$$
B
$$only\;if\;1\;<\;K\;<\;5$$
C
$$only\;if\;\;K\;>\;5$$
D
$$if\;0\;\leq\;K\;<\;1\;or\;K\;>\;5$$
2
GATE ECE 2001
MCQ (Single Correct Answer)
+1
-0.3
Given the $$G\left(s\right)H\left(s\right)=\frac K{s\left(s+1\right)\left(s+3\right)}$$, the point of intersection of the asymptotes of the root loci with the real axis is
A
-4
B
1.33
C
-1.33
D
4
3
GATE ECE 2001
MCQ (Single Correct Answer)
+1
-0.3
The Nyquist plot for the open-loop transfer function G(s) of a unity negative feedback system is shown in figure. if G(s) has no pole in the right half of s-plane, the number of roots of the system characteristic equation in the right half of s-plane is GATE ECE 2001 Control Systems - Frequency Response Analysis Question 63 English
A
0
B
1
C
2
D
3
4
GATE ECE 2001
MCQ (Single Correct Answer)
+2
-0.6
The open-loop DC gain of a unity negative feedback system with closed-loop transfer function $${{s + 4} \over {{s^2} + 7s + 13}}$$ is
A
$${4 \over {13}}$$
B
$${4 \over 9}$$
C
$$4$$
D
$$13$$
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