1
GATE ECE 2014 Set 3
MCQ (Single Correct Answer)
+2
-0.6
In the root locus plot shown in the figure, the pole/zero marks and the arrows have been removed. Which one of the following transfer functions has this root locus? GATE ECE 2014 Set 3 Control Systems - Root Locus Diagram Question 2 English
A
$$\frac{s+1}{\left(s+2\right)\left(s+4\right)\left(s+7\right)}$$
B
$$\frac{s+4}{\left(s+1\right)\left(s+2\right)\left(s+7\right)}$$
C
$$\frac{s+7}{\left(s+1\right)\left(s+2\right)\left(s+4\right)}$$
D
$$\frac{\left(s+1\right)\left(s+2\right)}{\left(s+4\right)\left(s+7\right)}$$
2
GATE ECE 2007
MCQ (Single Correct Answer)
+2
-0.6
A unity feedback control system has an open-loop transfer function $$$G\left(s\right)=\frac K{s\left(s^2+7s+12\right)}$$$ The gain K for which s = −1 + j1 will lie on the root locus of this system is:
A
4
B
5.5
C
6.5
D
10
3
GATE ECE 2005
MCQ (Single Correct Answer)
+2
-0.6
A unity feedback system is given as,$$$G\left(s\right)=\frac{K\left(1-s\right)}{s\left(s+3\right)}$$$ indicate the correct root locus diagram.
A
GATE ECE 2005 Control Systems - Root Locus Diagram Question 3 English Option 1
B
GATE ECE 2005 Control Systems - Root Locus Diagram Question 3 English Option 2
C
GATE ECE 2005 Control Systems - Root Locus Diagram Question 3 English Option 3
D
GATE ECE 2005 Control Systems - Root Locus Diagram Question 3 English Option 4
4
GATE ECE 2003
MCQ (Single Correct Answer)
+2
-0.6
The root locus of the system $$$G\left(s\right)H\left(s\right)=\frac K{s\left(s+2\right)\left(s+3\right)}$$$ has the break-away point located at
A
(-0.5,0)
B
(-2.548,0)
C
(-4,0)
D
(-0.784,0)
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