The root locus plot of the system having the transfer function, G(s)H(s)=has

1.  no breakway point

2.  three real breakaway point

3.  only one breakaway point

4.   one realand two complex breakaway point

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4
Correct Answer :

three real breakaway point


Explanation :
No Explanation available for this question

The function shown in the figure will have Laplace transform as

1.  

2.  

3.  

4.  

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4
Correct Answer :


Explanation :
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An open loop transfer function is given by, G(s)H(s)=It has

1.  one zer at infinity

2.  two zeros at infinity

3.  three zeros at infinity

4.   four zeros at infinity

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4
Correct Answer :

three zeros at infinity


Explanation :
No Explanation available for this question

The open-loop transfer function of a feedback control system is given by G(s)H(s)=In the root locus diagram of the system, the asymptotes of the root loci for large values of K meet a point in the s-plane. Which one of the following is the set of coordinate of that point

1.  (-1,0)

2.  (-2,0)

3.  (,0)

4.   (2,0)

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4
Correct Answer :

(-2,0)


Explanation :
No Explanation available for this question

If characterstic equation of a closed-loop system is 1+=0 then centroid at the asymptotes in root-locus will be

1.  zero

2.  2

3.  -1

4.   -2

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4
Correct Answer :

-1


Explanation :
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The output of a linear system to a unit step input is . The system function H(s) is

1.  

2.  

3.  

4.  

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4
Correct Answer :


Explanation :
No Explanation available for this question

given a unity feedback system with open-loop transfer function G(s)=The root locus plot of the system is of the form

1.  

2.  

3.  

4.  

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4
Correct Answer :


Explanation :
No Explanation available for this question

Which of the following points is NOT on the root locus of a system with the open-loop transfer function G(s)H(s)=

1.  s=j

2.  s=-1.5

3.  s=-3

4.   s=-∞

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4
Correct Answer :

s=-1.5


Explanation :
No Explanation available for this question

The root-locus diagram for a closed-loop feedback system is shown in figure. The system is overdamped

1.  only if 0≤K≤1

2.  only if 1

3.  only if K>5

4.   if 0≤K5

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4
Correct Answer :

if 0≤K<1 or K>5


Explanation :
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Inverse of Laplace transform of is

1.  

2.  

3.  

4.  

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4
Correct Answer :


Explanation :
No Explanation available for this question
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