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Control Systems

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

 4
 0
 2
 1

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Control Systems
Which of the following is/are the characteristics of negative feedback control system?

 Rejection of disturbance signals
All of these
 Reduction in gain at the expense of better stability
 Low sensitivity to parameter variations

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Control Systems
The steady state error due to ramp input for a type two system is equal to

 zero.
 non zero number.
 constant.
 infinite.

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Control Systems
Which of the following is the correct expression for the transfer function of an electrical RC phase lag compensating network?

 RCS/(1+RCS)
 1/(1+RCS)
 RC/(1+RCS)
 C/(1+RCS)

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Control Systems
Which of the following represents the value of resonant frequency (ωr)?

 (ωn) √(1-ζ²)
 (ωn) √(1-2ζ²)
 (ωn) √(1-ζ²/2)
 2*(ωn) √(1-ζ²)

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Control Systems
Angle of asymptotes for complimentary root locus is

 (2q)*180/(P-Z)
 (2q+1)*180/P
 (2q+1)*180/(P-Z)
 (2q)*180/P

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