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Control Systems

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 are the disadvantages of a closed loop control system?

 Reduces the overall gain.
All of these
 Complex and costly.
 Oscillatory response.

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Control Systems
A second order control system has a transfer function 16/(s² + 4s + 16). What is the time for the first overshoot?

 π/√3 sec
 π/4√3 sec
 π/2√3 sec
 2π/√3 sec

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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?

 2 sec
 10 sec
 4 sec
 5 sec

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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 II
 TYPE III
 TYPE 0
 TYPE I

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Control Systems
The angle condition used for checking whether any point lies on root locus or not is...........

 ± (2q) 360o.
 ± (2q + 1) 180o.
 ± (2q + 1) 360o.
 ± (2q) 180o.

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