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Control Systems

Control Systems
Transient response is improved in case of

 both A and B.
 lead network.
 none of these.
 lag network.

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Control Systems
Find the bandwidth of the system, when rise time of the system is give as 1msec?

 1 kHz
 500 Hz
 350 Hz
 750 Hz

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Control Systems
In a control system, an integrator is represented by

  s2.
  s.
  1 / s.
 1 / s2.

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Control Systems
The transfer function of phase lead compensator is given by , where, T > 0, α < 0. What is the maximum phase shift provided by this compensator?

 sin-1((1 - α)/(1 + α)
 cos-1((1 - α)/(1 + α)
 both 1 and 3
 tan-1((1 - α)/(2√α)

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Control Systems
A controller transfer function is given by . What is its nature and parameter?

 lag compensator, β = 2
 lead compensator, α = 0.2
 lag compensator, β = 10
 lead compensator, α = 0.1

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Control Systems
The output of the system has an effect upon the input quantity, then the system is a

 closed loop control system.
None of these
 either 1 or 2.
 open loop control system.

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