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Control Systems

Control Systems
Force balancing equation of a dash-pot element is (where, x = displacement)

None of these
 B dx/dt
 B d2x/dt2
 B *x

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Control Systems
Based on relation between the arm impedances the filters can be categorized into how many types?

  2.
 4.
 3.
 Not classified at all.

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Control Systems
The characteristic equation of a control system is give by s(s + 4)(s² + 2s + 1) + k(s + 1) = 0. Find the angle between the asymptotes?

 180°
 120°
 360°
 60°

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Control Systems
The low frequency and high frequency asymptotes of Bode magnitude plot are respectively -60dB/decade and -40dB/decade. What is the type of the system?

 TYPE 0
 TYPE I
 TYPE II
 TYPE III

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Control Systems
A second order control system has a transfer function 16/(s² + 4s + 16). Find the settling time for 2% tolerance?

 10 sec
 4 sec
 5 sec
 2 sec

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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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