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ISRO EC 2019: Control Systems Booster Quiz 5

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Question 1

G(s) = (s+a)/(s+b) is a lead controller to obtain maximum phase lead of 30⁰. The values of a and b are

Question 2

Consider the Bode magnitude plot shown in the figure. The transfer function H(s) is
$Description: D:\GradeStack Courses\GATE Tests (Sent by Ravi)\GATE EC-ME-17-Mar\GATE-ECE-2004_files\image114.jpg$

Question 3

A system has fourteen poles and two zeros. Its high frequency asymptote in its magnituge plot having a slope of

Question 4

Calculate the steady state error of a type 1 system if the input is a unit parabolic.

Question 5

A unity Feedback control system has an open-loop transfer function

.
The gain K for which s = -1 + j1 will lie on the root locus of this system is:

Question 6

For the polynomial P(s) = s⁵ + s⁴ + 2s³ + 2s² + 3s + 15, the number of roots which lie in the right half of the s-plane is

Question 7

The transfer function of a compensator is given as

G_c(s) is a lead compensator if

Question 8

Despite the presence of negative feedback, control systems still have problems of instability because the

Question 9

The transfer function

of the linear time variant system show in figure below is

Question 10

Given that G(s)H(z) = $Description: D:\GradeStack Courses\GATE Tests (Sent by Ravi)\GATE EC-ME-17-Mar\GATE-ECE-2004_files\image070.png$ , the point of intersection of the asymptotes of the root loci with the real axis is

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ESE & GATE EC Control Systems

Feb 16ESE & GATE EC