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Control Systems

Control Systems
For a unity feedback control system open loop transfer function then position error constant is

 0.
 20.
 40.
 infinity.

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Control Systems
The open loop transfer function of non unity negative feedback system is , then the number of root locus branches equal to

 0.
 1.
 3.
 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?

 1
 0.5
 1.5
 0.707

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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?

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

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Control Systems
The following transfer function represents a phase-lead compensator?

 (s+4)/(s+6)
 (4s+2)/(6s+1)
 (s+4)/(3s+6)
 1/s

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Control Systems
The open loop transfer function of a unity feedback control system is G(s) = 1/((s(s+0.1s)(s+1)). The value of damping factor for which the resonant peek is equal to 1.4 is

 0.707
 0.263
 0.386
 0.953

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