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Control Systems

Control Systems
A control system has open loop transfer function G(s) = k/(s(s + 2). Find the break away point?

 -1
 2
 -2
 1

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Control Systems
Which one of the following is the response y(t) of a casual LTI system described by H(s) = (s+1)/(s²+2s+2) for a given input x(t) = e-t u(t)?

 e-t cott*u(t)
 e-t tant*u(t)
 e-t cost*u(t)
 e-t sint*u(t)

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Control Systems
Which of the following statements is/are true?

 Centroid may be a part of root locus
 Centroid may not be a part of root locus
 both 1 and 2
 nether 1 nor 2

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Control Systems
For the polynomial , find the number of roots which lie on the right half of s-plane?

 4
 1
 0
 2

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Control Systems
A second order control system has F(jω) = 100/(100 - ω² + 10√2 jω). Find the resonant peak?

 0.707
 0.5
 1.5
 1

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Control Systems
Advantages of open loop control system is/are

 accurate.
 reliable.
 simple and economical.
All of these

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